
Yeti cups are convenient for keeping drinks hot or cold, but many people wonder if they are allowed through airport security. The good news is that Yeti cups are allowed on airplanes, both as carry-on and checked baggage, as long as they are empty when passing through the security checkpoint. This is because the TSA has strict rules about liquids, including alcoholic beverages, in carry-on and checked luggage. Once you have passed through security, you can refill your Yeti cup with water, coffee, or any other non-alcoholic beverage.
| Characteristics | Values |
|---|---|
| Allowed in carry-on luggage | Yes |
| Allowed in checked luggage | Yes |
| Must be empty at security | Yes |
| Allowed to fill with ice | Yes |
| Allowed to fill with water after security | Yes |
| Allowed to fill with alcohol after security | No |
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What You'll Learn

Yeti cups are allowed in carry-on luggage
It is worth noting that some sources suggest that ice in the cup may be allowed, but this is not the case in all airports. For example, one source mentions that ice is not allowed in Canadian airports. It is always a good idea to check the regulations of your departure airport before travelling.
Although Yeti cups are allowed in carry-on luggage, some people have reported rare instances of being stopped by TSA or other airport security for carrying an insulated mug. However, this is not a common occurrence, and most people do not have any issues.
Yeti cups can also be packed in checked baggage, but travellers should be aware that containers filled with liquid in checked bags may leak due to changes in air pressure. Therefore, it is recommended to pack the cup empty to avoid making the bag heavier than necessary.
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They are also allowed in checked baggage
Yes, you can take your Yeti cup through airport security in your checked baggage. It is permitted by TSA rules. However, it must be empty when you pass through the security checkpoint. This rule applies to all liquid containers, and any liquid inside may be confiscated. You can fill your Yeti cup with water, coffee, or another beverage after you pass through security.
It is worth noting that some sources suggest that you can pack a Yeti cup full of liquid in your checked baggage. However, changes in air pressure may cause it to leak, so this is not recommended. It is also worth considering that checked luggage often has a size and weight limit, and an empty cup will not add any unnecessary weight to your bag.
If you are travelling with alcohol, there are strict rules regarding alcoholic beverages in both carry-on and checked luggage. Alcoholic beverages must be between 24% and 70% ABV (48 to 140 proof). Alcohol purchased at the airport must remain unopened for the duration of the flight. When flying within the US, travellers over 21 can carry up to 5L (1.3 gallons) of alcohol between their carry-on and checked luggage. Passengers entering the US from abroad can bring up to 5L purchased at a duty-free shop. Passengers entering the US with alcohol in their checked baggage are limited to 1L duty-free; amounts above 1L are subject to duties and taxes.
Overall, it is best to pack your Yeti cup empty to avoid any potential issues with leaks or weight restrictions. You can easily fill it with water, coffee, or another beverage of your choice after passing through security.
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The cups must be empty at security
Yes, you can take your Yeti cup through airport security. However, it must be empty when you pass through the security checkpoint. This rule applies to all liquid containers and is in place to comply with the 3-1-1 liquids rule. You can bring your Yeti cup on the plane in your carry-on luggage or checked baggage, and you can refill it after you pass through security.
It is worth noting that some travellers have reported being stopped by TSA or other airport security for carrying an insulated mug. This is rare, and you should be fine as long as your cup is empty. If you want to be extra cautious, you can always check your Yeti cup in your checked baggage.
If you are travelling with children, it is a good idea to bring a couple of collapsible cups so that you can share your water. You can also fill your Yeti cup with ice before passing through security, as TSA is generally okay with this. However, this is not allowed at Canadian airports.
Always be prepared to empty your cup if TSA gives you any trouble, and remember that you can refill it on the other side of the checkpoint. It is also a good idea to check the rules at your destination before putting alcohol in your checked baggage, as there may be restrictions.
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They can be filled after the checkpoint
Yes, you can take your Yeti cup through airport security and onto a plane, but it must be empty when you pass through the security checkpoint. Once you are through security, you can fill your Yeti cup with water, coffee, or any other non-alcoholic drink and take it on the plane.
It is worth noting that, although rare, there have been instances of people being stopped by TSA or other airport security because of their insulated mug. This is most likely to happen if there is liquid in the container, but it could also be due to ice in the cup. To avoid any issues, it is recommended that you empty your Yeti cup before going through security and then refill it on the other side of the checkpoint.
If you want to fill your Yeti cup with alcohol, you need to be aware of the restrictions on alcoholic beverages. Alcoholic beverages with an ABV of 24% to 70% are only permitted in unopened containers that conform to the 3-1-1 liquids rule. This means that mini bottles less than 3.4 ounces (100ml) can be placed in a quart-sized (1L) bag with the rest of your carry-on liquids. Any alcoholic beverages brought onto flights must be purchased at a duty-free shop and must remain unopened for the duration of the flight. When travelling within the United States, travellers over the age of 21 can carry up to 5L (1.3 gallons) of alcohol between their carry-on and checked luggage.
It is also important to consider the potential for leaks when filling your Yeti cup with liquid. Changes in air pressure may cause the container to leak, so it is recommended to pack your Yeti cup empty to avoid making your bag heavier than necessary.
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Alcohol is subject to restrictions
Travellers over the age of 21 can take alcohol through security checkpoints, but it must be in unopened containers that conform to the 3-1-1 liquids rule. For example, mini bottles less than 3.4 ounces (100ml) can be placed in a quart-sized (1L) bag with the rest of the carry-on liquids. Any alcoholic beverages must be between 24% and 70% ABV (48 to 140 proof). Most beers and wines have a lower ABV, so they are not subject to the same rules as hard alcohol. However, airlines may have limits on what is allowed as carry-on.
When flying domestically within the US, travellers can purchase up to 5L (1.3 gallons) of alcohol at retail shops in the airport after clearing security. Passengers entering the US from abroad can bring up to 5L purchased at a duty-free shop. However, passengers entering the US with alcohol in their checked baggage are limited to 1L duty-free. Amounts above 1L are subject to duties and taxes, and large quantities of alcohol may be inspected and assessed for further fees.
If you are travelling with alcohol, it is important to check the rules at your destination before putting alcohol in your checked bags.
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Frequently asked questions
Yes, you can take your Yeti cup through airport security and onto the plane. It can be included in your carry-on or checked baggage.
Yes, your Yeti cup must be empty when going through airport security. This is to comply with the 3-1-1 liquids rule.
It is generally recommended that you do not fill your Yeti cup with ice when going through airport security, as you may be asked to empty it. However, some people have reported being able to do this without any issues.
No, you cannot fill your Yeti cup with alcohol when going through airport security. Alcoholic beverages are subject to strict rules, and you may only bring them through security in unopened containers that conform to the 3-1-1 liquids rule.











































