How Much Liquid Can I Fly With On An Airplane?

Flying can be stressful, especially when it comes to understanding the rules about liquids. How Much Liquid Can I Fly With is a common question? HOW.EDU.VN provides you with a clear understanding of the Transportation Security Administration (TSA) guidelines, helping you pack efficiently and avoid unnecessary delays at security. Understanding these regulations ensures a smoother travel experience and prevents potential issues with your carry-on items. Explore insights into permissible quantities, exceptions for medical necessities, and tips for hassle-free airport navigation.

1. Understanding the TSA Liquid Rule: The 3-1-1 Guideline

The Transportation Security Administration (TSA) has a specific rule for liquids, often referred to as the 3-1-1 rule, which dictates how much liquid you can carry in your carry-on baggage. This rule is designed to enhance security measures while allowing passengers to bring essential liquids for their journey.

What is the 3-1-1 Rule?

The 3-1-1 rule breaks down as follows:

3.4-ounce (100 milliliters) container: All liquids must be in travel-sized containers that are no larger than 3.4 ounces or 100 milliliters.
1 quart-sized clear plastic bag: These containers must fit into a single, quart-sized, clear plastic zip-top bag.
1 bag per passenger: Each passenger is limited to one quart-sized bag of liquids.

This rule applies to most liquids, gels, aerosols, creams, and pastes. Items that must adhere to this rule include:

Shampoo
Conditioner
Lotion
Toothpaste
Mouthwash
Hair gel
Aerosol deodorants
Liquid makeup

Why Does the TSA Have This Rule?

The TSA implemented the 3-1-1 rule in response to security threats involving liquid explosives. By limiting the quantity of liquids passengers can carry on board, the risk of such threats is significantly reduced. This measure is part of a multi-layered approach to security that includes advanced screening technologies and trained security personnel.

How to Properly Pack Liquids According to the 3-1-1 Rule

To ensure compliance with the TSA’s 3-1-1 rule, follow these steps when packing your carry-on liquids:

Gather your liquids: Collect all the liquid items you plan to bring in your carry-on.
Use travel-sized containers: Transfer your liquids into containers that are 3.4 ounces (100ml) or smaller. You can purchase travel-sized bottles at most drugstores or online.
Place containers in a clear bag: Put all the containers into a clear, quart-sized, zip-top plastic bag. Make sure the bag can be sealed completely.
Pack the bag accessibly: Keep the bag in an accessible location in your carry-on, as you will need to remove it during the security screening process.
Declare the bag: When you go through security, remove the plastic bag from your carry-on and place it in a bin for screening.

Tips for Streamlining Your Security Check

Be prepared: Have your liquids bag ready as you approach the security checkpoint.
Avoid overfilling: Do not overfill your quart-sized bag, as this can cause delays. Make sure the bag is easily sealable.
Consider alternatives: If possible, purchase travel-sized toiletries upon arrival at your destination or ship them ahead of time.
TSA PreCheck: If you are a frequent traveler, consider enrolling in TSA PreCheck, which allows you to leave liquids and laptops in your bag during screening.

Consequences of Not Following the Rule

Failure to comply with the TSA’s 3-1-1 rule can result in:

Confiscation of items: Any liquids that do not meet the requirements will be confiscated by TSA officers.
Delays: Non-compliance can cause delays for you and other passengers at the security checkpoint.
Additional screening: You may be subject to additional screening if your bag contains non-compliant items.

By understanding and adhering to the TSA’s 3-1-1 rule, you can ensure a smoother, more efficient travel experience. Remember to plan ahead and pack accordingly to avoid any unnecessary hassles at the airport.

2. Exceptions to the TSA Liquid Rule: Medically Necessary Liquids

While the TSA 3-1-1 rule places strict limits on the amount of liquids you can carry in your carry-on baggage, there are several exceptions for medically necessary liquids. These exceptions are designed to accommodate passengers who require essential medications and other medical supplies during their travels.

What Qualifies as a Medically Necessary Liquid?

Medically necessary liquids are those required for a passenger’s health or well-being. These can include:

Prescription medications (liquid, gel, or aerosol)
Over-the-counter medications (liquid, gel, or aerosol)
Eye drops
Contact lens solution
Saline solution
Distilled water (for medical purposes)
Liquid nutrition
Items needed to keep medication cool

TSA Guidelines for Medically Necessary Liquids

The TSA allows passengers to carry larger amounts of medically necessary liquids, gels, and aerosols in reasonable quantities for their trip. However, these items must be declared to security officers at the checkpoint.

Here are the specific guidelines:

Notification: Inform the TSA officer that you have medically necessary liquids before the screening process begins.
Documentation: While not required, it is advisable to bring documentation from your doctor or pharmacy to verify the medical necessity of the liquids. This can help expedite the screening process.
Separate Screening: Medically necessary liquids will be screened separately from other items. This may include additional screening procedures.

Specific Types of Medically Necessary Liquids and How to Handle Them

Prescription Medications:
- Keep medications in their original, labeled containers to avoid confusion.
- Bring a valid prescription or a doctor’s note.
- Declare the medications to the TSA officer.
Over-the-Counter Medications:
- Although a prescription is not required, it is helpful to have a doctor’s note if you are carrying a large quantity.
- Ensure the medication is clearly labeled.
- Declare the medication to the TSA officer.
Eye Drops and Contact Lens Solution:
- These are permitted in reasonable quantities.
- Declare them to the TSA officer.
Liquid Nutrition (e.g., Meal Replacement Shakes):
- Inform the TSA officer that you have liquid nutrition for medical reasons.
- Be prepared for additional screening of the item.

Screening Procedures for Medically Necessary Liquids

When you declare medically necessary liquids, the TSA officer will likely perform additional screening, which may include:

Visual Inspection: The officer may visually inspect the liquid.
Testing: The liquid may be tested for explosives or other threats. TSA uses various methods to test liquids without opening the container.
X-ray: The container may be x-rayed.
Additional Security Measures: You or your traveling guardian may undergo additional screening procedures, such as AIT screening or a pat-down.

Tips for Traveling with Medically Necessary Liquids

Arrive Early: Allow extra time at the airport to accommodate the additional screening procedures.
Pack Smart: Keep your medically necessary liquids easily accessible in your carry-on bag.
Communicate: Clearly communicate with TSA officers about your needs and the medical necessity of your liquids.
Check TSA Website: Before your trip, check the TSA website for the most up-to-date information and guidelines.

TSA officer inspecting a container of medically necessary liquid at a security checkpoint

What If the TSA Asks You to Open the Container?

The TSA may ask you to open a container of medically necessary liquid for further inspection. If you are concerned about contamination or the integrity of the liquid, you can request that the TSA officer use alternative methods of screening. The TSA’s written policy states that nothing should be placed in the liquid during testing.

Resources for More Information

TSA Website: Visit the TSA website for detailed information on traveling with medications and medically necessary liquids.
TSA Contact Center: Contact the TSA Contact Center with specific questions or concerns about your travel plans.

By understanding and following the TSA guidelines for medically necessary liquids, you can ensure that you have the essential items you need for your health while still complying with security regulations. Proper preparation and communication are key to a smooth and stress-free travel experience.

3. Special Cases: Breast Milk, Formula, and Baby Food

Traveling with infants and young children requires special consideration, particularly when it comes to liquids. The TSA has specific guidelines for breast milk, formula, and baby food, recognizing the essential nature of these items for young travelers.

Breast Milk

The TSA categorizes breast milk as a medically necessary liquid, allowing passengers to carry it in quantities greater than 3.4 ounces (100 milliliters) in their carry-on baggage.

Key Guidelines for Breast Milk:

Quantity: There is no limit to the amount of breast milk you can bring, as long as it is deemed a reasonable quantity for the duration of your travel.
Child Not Required: The child does not need to be present for the breast milk to be exempt from the 3-1-1 rule.
Notification: Inform the TSA officer that you are carrying breast milk at the security checkpoint.
Screening: Breast milk will be screened separately from other liquids. This may involve additional screening procedures.

Tips for Traveling with Breast Milk:

Storage: Breast milk can be transported in storage bags or bottles. Consider using insulated bags with ice packs to keep the milk cool.
Documentation: While not required, it can be helpful to have a doctor’s note or documentation stating the need for breast milk.
Labeling: Clearly label the containers as breast milk to avoid confusion.

Formula

Similar to breast milk, the TSA also considers baby formula as a medically necessary liquid, permitting passengers to carry it in amounts exceeding the standard 3.4-ounce limit.

Key Guidelines for Formula:

Quantity: You can bring a reasonable quantity of formula necessary for your trip.
Types: This includes ready-to-feed formula, powdered formula, and sterile water for mixing.
Child Not Required: The child does not need to be present for the formula to be exempt from the 3-1-1 rule.
Notification: Declare the formula to the TSA officer at the security checkpoint.
Screening: Formula will be screened separately and may undergo additional testing.

Tips for Traveling with Formula:

Pre-portioned Containers: For powdered formula, consider using pre-portioned containers to make feeding easier during travel.
Sterile Water: If you are using powdered formula, you can bring sterile water in a separate bottle.
Ready-to-Feed Formula: Ready-to-feed formula is convenient for travel as it requires no mixing.

Baby Food

The TSA also makes accommodations for baby food, allowing it in quantities greater than 3.4 ounces in carry-on baggage. This includes purees, pouches, and other forms of baby food.

Key Guidelines for Baby Food:

Quantity: You can bring a reasonable quantity of baby food necessary for your trip.
Types: This includes pureed fruits and vegetables, baby food pouches, and other baby food items.
Notification: Inform the TSA officer that you are carrying baby food at the security checkpoint.
Screening: Baby food will be screened separately and may undergo additional testing.

Tips for Traveling with Baby Food:

Variety: Bring a variety of baby food options to ensure your child has something they will eat.
Packaging: Pack baby food in easy-to-open containers or pouches.
Spoons: Remember to pack spoons or utensils for feeding.

Screening Procedures for Breast Milk, Formula, and Baby Food

When you declare breast milk, formula, or baby food, the TSA officer will likely perform additional screening, which may include:

Visual Inspection: The officer may visually inspect the liquid or food.
Testing: The liquid or food may be tested for explosives or other threats. TSA uses various methods to test liquids without opening the container.
X-ray: The container may be x-rayed.

The TSA’s written policy states that nothing should be placed in the liquid during testing.

Additional Tips for Traveling with Infants and Young Children

Arrive Early: Allow extra time at the airport to accommodate the additional screening procedures.
Pack Smart: Keep breast milk, formula, and baby food easily accessible in your carry-on bag.
Communicate: Clearly communicate with TSA officers about your needs and the necessity of these items.
TSA Cares: If you have concerns or require assistance, consider contacting TSA Cares before your trip. TSA Cares is a helpline that provides assistance to travelers with disabilities and medical conditions.

By understanding and following the TSA guidelines for breast milk, formula, and baby food, you can ensure a smoother, more comfortable travel experience for you and your child. Proper preparation and communication are key to navigating airport security with ease.

4. Other Permitted Liquids: Duty-Free Purchases and More

Beyond the standard 3-1-1 rule and exceptions for medically necessary liquids, there are a few other circumstances in which you can bring larger quantities of liquids through airport security. These include duty-free purchases, certain food items, and other specific exceptions.

Duty-Free Purchases

If you purchase liquids from a duty-free shop at the airport or on board an aircraft, you are generally allowed to bring them through security, even if they exceed the 3.4-ounce (100 ml) limit. However, there are specific conditions that must be met:

Key Guidelines for Duty-Free Liquids:

Security Tamper-Evident Bag (STEB): The liquids must be placed in a Security Tamper-Evident Bag (STEB) by the retailer. This bag is designed to show if it has been opened or tampered with.
Proof of Purchase: You must have proof of purchase, such as a receipt, to verify that the items were purchased within the last 48 hours.
Sealed Bag: The bag must remain sealed and intact. Do not open the bag until you reach your final destination.

Tips for Duty-Free Shopping:

Purchase at the Last Airport: If you have connecting flights, it is best to purchase duty-free liquids at the last airport before your final destination to avoid any issues.
Keep the Receipt: Ensure you keep the receipt with the sealed bag.
Check Regulations: Be aware that some countries may have additional restrictions on liquids, so it is important to check the regulations of your destination country.

Food Items

Certain food items that are liquid or semi-liquid are also permitted in carry-on baggage, even if they exceed the 3.4-ounce limit. These include:

Jams and Jellies: These are generally allowed, but may be subject to additional screening.
Peanut Butter: Similar to jams and jellies, peanut butter is usually permitted.
Dips and Spreads: Items like hummus, salsa, and guacamole are also allowed.
Canned Goods in Liquid: Such as canned fruits or vegetables, need to adhere to the 3-1-1 rule.

Tips for Traveling with Food Items:

Pack Properly: Pack food items in a way that prevents leaks or spills.
Declare Items: Inform the TSA officer about any food items in your carry-on bag.
Expect Additional Screening: Be prepared for additional screening of these items.

Other Specific Exceptions

There are a few other specific exceptions to the TSA liquid rule:

Life Support and Augmentation Systems: Liquids associated with life support systems (such as distilled water for CPAP machines) are allowed.
Non-Spillable Wet Batteries: These are permitted for certain portable electronic devices, as long as they meet specific requirements.
Non-infectious specimens in preservative solution: Can be carried through if it’s for scientific research.

Tips for These Exceptions:

Documentation: Carry documentation to support the need for these items.
Notification: Inform the TSA officer about these items.
Check TSA Guidelines: Always check the TSA website for the most up-to-date information.

General Tips for Navigating TSA Liquid Rules

Arrive Early: Give yourself plenty of time to go through security.
Pack Smart: Organize your carry-on bag in a way that makes it easy to remove liquids for screening.
Communicate: Be open and communicative with TSA officers.
Stay Informed: Keep up-to-date with the latest TSA guidelines and regulations.

By understanding these exceptions and following these tips, you can navigate airport security with confidence and avoid any unnecessary delays or complications. Proper preparation and awareness are key to a smooth and stress-free travel experience.

5. Practical Tips for Packing Liquids: Maximize Space and Minimize Hassle

Packing liquids for air travel can be a challenge, especially when trying to adhere to the TSA’s 3-1-1 rule. However, with some smart strategies, you can maximize space in your carry-on and minimize hassle at the security checkpoint.

Choose the Right Containers

Selecting the right containers is crucial for efficiently packing liquids.

Travel-Sized Bottles: Invest in a set of travel-sized bottles (3.4 ounces or 100 ml). These are available at most drugstores and online retailers.
Silicone Bottles: Opt for silicone bottles, which are flexible, durable, and easy to squeeze.
Leak-Proof Design: Ensure that your containers are leak-proof to prevent spills and messes in your bag.
Clear Containers: Use clear containers to easily identify the contents and expedite the security screening process.

Organize Your Liquids

Proper organization can help you make the most of your limited space.

Quart-Sized Bag: Use a clear, quart-sized, zip-top plastic bag as required by the TSA.
Rolling Method: Roll your clothes to create more space and use the rolled items to cushion your liquids.
Separate Compartment: If your carry-on bag has a separate compartment, use it to store your liquids.
Reusable Bags: Consider using reusable silicone bags, which are more durable and eco-friendly than plastic bags.

Maximize Space

Efficient packing techniques can help you fit more items into your carry-on.

Solid Alternatives: Use solid alternatives to liquids whenever possible. For example, opt for shampoo bars, conditioner bars, and solid deodorant.
Multi-Purpose Products: Choose multi-purpose products, such as a 2-in-1 shampoo and conditioner or a tinted moisturizer with SPF.
Sample Sizes: Collect sample-sized toiletries from hotels or beauty stores to save space.
Layering: Layer your liquids in the quart-sized bag, placing smaller items in between larger ones.

Minimize Hassle at Security

To ensure a smooth security screening process:

Accessibility: Keep your quart-sized bag easily accessible in your carry-on.
Preparation: Have your bag ready to remove as you approach the security checkpoint.
Transparency: Be transparent with TSA officers about the liquids you are carrying.
TSA PreCheck: If you are eligible, consider enrolling in TSA PreCheck to expedite the security process.

Pack Strategically

Consider these additional tips for packing liquids:

Limit Quantities: Only bring the amount of liquid you need for your trip.
Destination Purchases: Purchase toiletries at your destination if possible to avoid packing them altogether.
Shipping: Ship non-essential liquids to your destination ahead of time.
Travel Accessories: Use travel accessories such as compression bags to further maximize space in your carry-on.

DIY Toiletries

Consider creating your own travel-sized toiletries:

Homemade Solutions: Prepare your own travel-sized solutions for items like mouthwash or hand sanitizer.
Repurposed Containers: Repurpose small containers from previous travel products.
Labeling: Clearly label all containers with their contents.

By following these practical tips, you can effectively pack liquids for air travel, maximize space in your carry-on, and minimize hassle at the security checkpoint. Proper planning and organization are key to a stress-free travel experience.

6. What Happens If You Violate the TSA Liquid Rule?

Understanding the consequences of violating the TSA liquid rule is essential for all travelers. Non-compliance can lead to several inconveniences and potential delays. Here’s what you need to know about what happens if you don’t follow the TSA’s guidelines.

Confiscation of Non-Compliant Items

The most common consequence of violating the TSA liquid rule is the confiscation of non-compliant items. If you attempt to bring liquids in containers larger than 3.4 ounces (100 ml) or fail to place them in a quart-sized bag, TSA officers will likely confiscate those items.

What Happens to Confiscated Items?

Disposal: In most cases, confiscated liquids are disposed of immediately.
No Return: You will not be able to retrieve the items later.
Alternatives: If the item is valuable, consider shipping it to your destination or checking it in your checked baggage (if time allows).

Delays at the Security Checkpoint

Violating the TSA liquid rule can cause delays, not only for you but also for other passengers. When your bag is flagged for containing non-compliant liquids, it requires additional inspection, which can slow down the entire security line.

How Delays Impact Your Travel Plans:

Missed Flights: Significant delays can lead to missed connecting flights.
Increased Stress: Delays can increase stress and anxiety, especially if you are already running late.
Inconvenience: Other passengers may become frustrated due to the slowdown.

Additional Screening

If you violate the TSA liquid rule, you may be subject to additional screening. This could include a more thorough search of your carry-on bag, a pat-down, or additional security measures.

Types of Additional Screening:

Physical Search: TSA officers may conduct a physical search of your bag to ensure there are no other prohibited items.
Pat-Down: You may be subject to a pat-down to check for concealed items.
Explosives Trace Detection (ETD): TSA officers may use ETD technology to test your hands and belongings for traces of explosives.

Possible Fines or Penalties

In some cases, violating TSA regulations can result in fines or other penalties. While it is rare for simple liquid violations, repeated or egregious violations may lead to more serious consequences.

When Penalties May Apply:

Intentional Concealment: If you intentionally attempt to conceal prohibited items.
Repeated Violations: If you have a history of violating TSA regulations.
Security Threats: If your actions pose a security threat.

Loss of TSA PreCheck Privileges

If you are enrolled in TSA PreCheck and violate TSA regulations, you may lose your PreCheck privileges. This means you will no longer be able to use the expedited security lanes.

How to Avoid Losing PreCheck Privileges:

Follow the Rules: Adhere to all TSA regulations and guidelines.
Stay Informed: Keep up-to-date with the latest TSA rules.
Be Honest: Be honest with TSA officers about the items you are carrying.

Tips to Avoid Violating the TSA Liquid Rule

Pack Smart: Organize your carry-on bag in a way that makes it easy to remove liquids for screening.
Communicate: Be open and communicative with TSA officers.
Stay Informed: Keep up-to-date with the latest TSA guidelines and regulations.
Check TSA Website: Visit the TSA website for detailed information on traveling with liquids and other prohibited items.

By understanding the consequences of violating the TSA liquid rule and taking steps to avoid non-compliance, you can ensure a smoother, more efficient, and less stressful travel experience. Proper preparation and awareness are key to navigating airport security with ease.

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Reduced Stress: Knowing you have accurate information can alleviate anxiety about travel.
Problem Prevention: Expert advice can help you avoid common mistakes that lead to delays or confiscation of items.

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8. Common Mistakes To Avoid When Packing Liquids For Air Travel

Packing liquids for air travel can be tricky, and it’s easy to make mistakes that could lead to delays or confiscation of your items. Here are some common pitfalls to avoid to ensure a smoother security experience.

Using Over-Sized Containers

One of the most frequent mistakes is using containers that are larger than the TSA’s permitted size of 3.4 ounces (100 ml). Even if the container is only partially full, it will be confiscated if it exceeds this limit.

Solution:

Travel-Sized Bottles: Invest in travel-sized bottles that meet the TSA requirements.
Check Container Size: Always check the size of your containers before packing.
Decant Liquids: Transfer your liquids into smaller, TSA-approved containers.

Forgetting the Quart-Sized Bag

Another common mistake is failing to pack all your liquids in a clear, quart-sized, zip-top plastic bag. The TSA requires all liquids to be in this type of bag for easy inspection.

Solution:

Prepare in Advance: Pack your liquids in a quart-sized bag before you arrive at the airport.
Use a Clear Bag: Opt for a clear bag to expedite the screening process.
Check the Bag: Ensure the bag is properly sealed.

Overfilling the Quart-Sized Bag

Even if you use the correct containers, overfilling the quart-sized bag can cause issues. If the bag is too full, it may not seal properly, or TSA officers may have difficulty inspecting the contents.

Solution:

Limit Quantities: Only bring the essential liquids you need for your trip.
Arrange Items Neatly: Arrange the items in the bag to maximize space without overfilling.
Use Multiple Bags: If necessary, use a second quart-sized bag for additional liquids (note that each passenger is limited to one bag).

Not Declaring Medically Necessary Liquids

Failing to declare medically necessary liquids can lead to unnecessary scrutiny and delays. The TSA allows larger quantities of these liquids, but you must inform the officers about them.

Solution:

Inform TSA Officers: Clearly state that you have medically necessary liquids.
Provide Documentation: Carry a doctor’s note or prescription to verify the need for the liquids.
Keep Liquids Accessible: Keep the liquids easily accessible for inspection.

Assuming All Liquids Are Allowed

Some travelers assume that all types of liquids are permitted, which is not the case. Certain items, such as flammable liquids, are prohibited altogether.

Solution:

Check TSA Guidelines: Review the TSA’s list of prohibited items before packing.
Avoid Prohibited Items: Do not attempt to bring prohibited liquids in your carry-on.
Pack in Checked Baggage: If possible, pack prohibited liquids in your checked baggage.

Not Preparing for Screening

Not being prepared for the security screening process can cause delays and stress. Make sure your liquids are easily accessible and ready for inspection.

Solution:

Keep Liquids Accessible: Pack your liquids in an easily accessible location in your carry-on.
Remove Liquids: Remove the quart-sized bag from your carry-on before placing it on the conveyor belt.
Follow Instructions: Follow the instructions provided by TSA officers.

Ignoring Duty-Free Purchase Rules

Many travelers are unaware of the specific rules for carrying duty-free liquids. These items must be in a Security Tamper-Evident Bag (STEB) with proof of purchase.

Solution:

Keep Items Sealed: Do not open the STEB until you reach your final destination.
Retain Proof of Purchase: Keep the receipt with the sealed bag.
Purchase at Last Airport: If you have connecting flights, purchase duty-free liquids at the last airport before your final destination.

By avoiding these common mistakes, you can ensure that your experience with airport security is as smooth and stress-free as possible. Proper preparation and adherence to TSA guidelines are key to a successful travel experience.

9. Frequently Asked Questions (FAQs) About Flying With Liquids

Navigating the TSA’s liquid rules can raise many questions. Here are some frequently asked questions (FAQs) to help you better understand the regulations and prepare for your next flight.

1. How much liquid can I take on a plane in carry-on baggage?

You can carry liquids in containers that are 3.4 ounces (100 milliliters) or smaller. These containers must fit into a single, quart-sized, clear plastic zip-top bag. Each passenger is limited to one quart-sized bag.

2. Are there any exceptions to the 3-1-1 rule?

Yes, there are exceptions for medically necessary liquids, breast milk, formula, and baby food. These items can be carried in quantities greater than 3.4 ounces, but you must declare them to TSA officers at the security checkpoint.

3. Can I bring liquid medications on a plane?

Yes, you can bring liquid medications on a plane. It’s recommended to keep medications in their original, labeled containers and to carry a prescription or a doctor’s note.

4. Do I need a doctor’s note to carry medically necessary liquids?

While not always required, it’s a good idea to have a doctor’s note or prescription to verify the need for the liquids. This can help expedite the screening process.

5. Can I bring breast milk and formula on a plane?

Yes, breast milk and formula are considered medically necessary liquids and can be carried in reasonable quantities. The child does not need to be present.

6. How should I pack breast milk and formula for air travel?

You can pack breast milk and formula in storage bags or bottles. Consider using insulated bags with ice packs to keep the milk cool.

7. What happens if I have liquids that exceed the 3.4-ounce limit?

Liquids that exceed the 3.4-ounce limit will be confiscated by TSA officers. Consider shipping them to your destination or packing them in your checked baggage.

8. Can I buy liquids after going through security and bring them on the plane?

Yes, you can buy liquids from duty-free shops at the airport or on board an aircraft. These liquids must be placed in a Security Tamper-Evident Bag (STEB) by the retailer.

9. What is a Security Tamper-Evident Bag (STEB)?

A STEB is a special bag used for duty-free purchases that shows if it has been opened or tampered with. You must keep the bag sealed and have proof of purchase.

10. Can I bring food items like jams and peanut butter in my carry-on?

Yes, you can bring food items like jams and peanut butter in your carry-on, but they are subject to the 3-1-1 rule. If they exceed 3.4 ounces, they should be packed in your checked baggage.