
Alcohol can be taken through airport security, but there are rules around volume, container size, and whether it's a carry-on or checked bag. Alcoholic beverages with more than 24% but no more than 70% alcohol are limited to 5 litres per passenger and must be in unopened retail packaging. Alcohol under 24% ABV is not subject to limitations in checked bags. For carry-on bags, alcohol under 70% ABV is allowed, provided the container is less than 3.4 ounces (100ml) and fits in a single quart-sized bag. It's prohibited to drink your own alcohol on a commercial flight, and travellers are not allowed to consume alcohol unless served by a flight attendant.
| Characteristics | Values |
|---|---|
| Alcohol volume allowed | 70% ABV or less |
| Container size | 3.4 oz (100ml) or less |
| Carry-on allowance | Alcohol must fit in a single quart-sized bag |
| Checked bag allowance | 5 liters of alcohol between 24-70% ABV |
| Duty-free purchases | Must be in a sealed, tamper-evident bag with a receipt |
| Consumption during flight | Allowed only if served by a flight attendant |
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What You'll Learn

Alcohol volume restrictions
Alcohol volume is a critical factor in determining whether you can bring alcohol through airport security. The Transportation Security Administration (TSA) sets the baseline rules, but individual airlines may impose additional restrictions, so it is always good to check with your airline before bringing any alcoholic beverages on board.
The TSA prohibits alcohol exceeding 70% ABV (140 proof) across the board. Alcoholic beverages with an ABV of 24% or less are not subject to limitations in checked bags. You can bring as many bottles as you want as long as they fit within the overall weight and volume limits for checked baggage. However, these bottles must be unopened and in their original packaging.
For alcoholic beverages with an ABV of more than 24% but not more than 70%, the limit is 5 liters (1.3 gallons) per passenger in checked bags. Again, these bottles must be in their original, unopened retail packaging.
When it comes to carry-on luggage, the rules are more restrictive. Alcohol under 70% ABV (140 proof) is permitted in carry-on bags, but the container size must be 3.4 ounces (100 ml) or less. These small bottles must fit comfortably into a single quart-sized bag. It is worth noting that the final decision on whether alcohol is allowed through the security checkpoint rests with the TSA officer.
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Container size rules
Container size is a crucial factor in determining whether alcohol can be transported through airport security. The rules for container size vary depending on whether the alcohol is in your carry-on luggage or checked bags.
When it comes to carry-on luggage, the general rule is that alcoholic beverages with an alcohol by volume (ABV) of less than 70% are permitted in containers of 3.4 ounces (100 ml) or less. These small bottles must fit comfortably into a single quart-sized bag, which is typically a clear, plastic bag. This is in line with the standard 3-1-1 rule for carry-on liquids. It is important to note that the final decision on whether alcohol is allowed through the security checkpoint rests with the TSA officer.
For checked bags, the rules differ depending on the alcohol content. Alcoholic beverages with an ABV of more than 24% but not more than 70% are limited to 5 liters (1.3 gallons) per passenger and must be in their unopened retail packaging. On the other hand, beverages with an ABV of 24% or less are not subject to quantity limitations in checked bags.
It is worth noting that some airports and countries may have specific rules regarding alcohol container sizes. For example, one traveler mentioned successfully taking a 100ml glass bottle of vodka through security at Edinburgh Airport. However, another traveler expressed concern about unlabeled bottles being confiscated at Gatwick Airport. Therefore, it is always advisable to check the regulations of the specific airport and country you are traveling from to avoid any issues.
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Carry-on vs checked bags
When it comes to carrying alcohol on a flight, the rules differ for carry-on baggage and checked bags, and it's important to be aware of these regulations to ensure a smooth travel experience.
For carry-on bags, the general rule is that alcoholic beverages with an alcohol content of less than 70% ABV (140 proof) are permitted, provided the container size is within the allowable limit, typically 3.4 ounces or 100 ml. This applies to both domestic and international flights. It's important to note that the final decision on whether an item is allowed through the security checkpoint rests with the TSA officer.
On the other hand, for checked bags, the regulations vary depending on the alcohol's alcohol by volume (ABV). Alcoholic beverages with an ABV between 24% and 70% are limited to 5 liters (1.3 gallons) per passenger and must be in their original, unopened retail packaging. Beverages with an ABV of less than 24% are not subject to quantity limitations in checked bags. To ensure safe transit, it is recommended to pack alcohol securely, using original retail packaging, individual airtight bags, or bubble wrap, and placing them in the centre of the suitcase surrounded by clothes to minimize movement and potential damage.
It's worth noting that some airlines may have additional restrictions, so it's always advisable to check with your specific airline before bringing any alcoholic beverages on board. Additionally, FAA regulations prohibit travelers from consuming personal alcohol on board and being served alcohol by a flight attendant if they are intoxicated.
Lastly, duty-free alcohol purchased after security may have specific requirements, such as being packed in a transparent, tamper-evident bag, and it's important to retain the receipt to prove recent purchase.
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Purchasing duty-free alcohol
When purchasing duty-free alcohol, it's important to be mindful of the weight restrictions for carry-on and checked luggage, especially if you have a multi-step flight with different airlines. Some airlines may have additional restrictions beyond the baseline rules set by the TSA. For example, alcoholic beverages with more than 24% but not more than 70% alcohol are limited to 5 liters per passenger in checked bags and must be in unopened retail packaging. Alcoholic beverages with 24% alcohol or less are not subject to quantity limitations in checked bags.
If you plan to buy alcohol at the duty-free store after security, make sure the bottles are packed in a transparent, tamper-evident bag, and keep the receipt to prove the purchase was made within the last 48 hours. This is particularly important for connecting flights, as duty-free rules may also apply to carry-on items. Additionally, be aware that consuming alcohol on board an aircraft is prohibited unless it is served by a flight attendant, and flight attendants are not permitted to serve intoxicated passengers.
It's also worth considering the region you're travelling to and whether there are any restrictions or cultural norms around alcohol. For example, if you're travelling to a region where alcohol is prohibitively expensive or even prohibited, buying duty-free alcohol may be a good option. On the other hand, if you're travelling to a region known for its local alcoholic specialties, you may want to opt for trying the local products instead of purchasing duty-free alcohol.
Lastly, remember that duty-free shopping may not always result in significant savings. Sometimes, the only savings are on taxes, and the actual purchase price may not be lower than what you would find at a local supermarket or specialty store. In some cases, it may be more advantageous to spend your leftover foreign currency on duty-free alcohol to avoid unfavourable conversion rates.
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Drinking on the plane
Drinking on a plane is a tricky affair. While some sources suggest that drinking your own alcohol on a plane is prohibited, others suggest ways to get around it. It is important to note that FAA regulations prohibit travellers from consuming alcohol on board an aircraft unless served by a flight attendant. Flight attendants are also not permitted to serve intoxicated passengers.
If you are planning to drink your own alcohol on a plane, it is best to be discreet about it. Some sources suggest that drinking from a coke bottle is a good way to avoid detection. However, it is important to note that getting drunk on a plane is considered bad etiquette and can lead to trouble if you are caught. It is also a federal offence in the US and can result in stiff fines. You also risk being denied boarding and/or banned from the airline.
If you are planning to bring your own alcohol on a plane, it is important to follow the TSA guidelines. Alcohol exceeding 70% ABV (140 proof) is prohibited. Alcohol under 70% ABV is allowed in carry-on bags, provided the container is less than 3.4oz (100ml). Mini bottles of alcohol in carry-on must fit comfortably into a single quart-sized bag. For checked bags, alcoholic beverages with more than 24% but not more than 70% alcohol are limited to 5 liters per passenger and must be in unopened retail packaging. Alcoholic beverages with 24% alcohol or less are not subject to limitations in checked bags.
It is also important to note that individual airlines may have additional restrictions on bringing alcohol on board. Therefore, it is always a good idea to check with your airline before bringing any alcoholic beverages on board.
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Frequently asked questions
Yes, you can take alcohol through airport security in your carry-on luggage, but there are some restrictions. Alcohol under 70% ABV (140 proof) is allowed in carry-on bags, provided the container is less than 3.4 oz (100 ml). The alcohol must be able to fit comfortably into a single quart-sized bag.
No, US Federal Aviation Administration (FAA) regulations prohibit travelers from consuming their own alcohol on board an aircraft. Alcohol may be consumed on the plane only if it is served by a flight attendant.
Yes, if you buy alcohol at duty-free, make sure it is packed in a transparent, tamper-evident bag, and keep the receipt to prove it was purchased within the last 48 hours. The same restrictions on alcohol volume and container size apply.



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