Yes, you can bring whisky on a plane: minis in 3-1-1 carry-on, or up to 5L in checked if 24–70% ABV and unopened; over 70% ABV is banned.
Not Allowed
Conditional
Allowed
Carry-On
- Minis only inside the quart bag
- Duty-free needs a sealed STEB on transfers
- No drinking personal bottles
Cabin
Checked
- Unopened factory seals only
- 24–70% ABV; 5L per traveler
- Pad glass; keep receipts
Hold
Duty-Free & Borders
- Buy near your last leg
- Seal and show receipt
- Know arrival allowance
International
Bringing Whisky On A Plane: Rules That Matter
Whisky can fly, as long as you match bottle size and proof to the right bag. In the cabin, the 3-1-1 limit caps liquid containers at 3.4 ounces (100 ml) inside one quart-size bag. Anything larger travels in checked luggage, and flammability limits apply. Overproof spirits above 70% alcohol by volume never board. That single idea saves a lot of last-minute bin checks at security.
| Where It Goes | What’s Allowed | Notes |
|---|---|---|
| Carry-On | Up to 3.4 oz (100 ml) bottles in one quart bag | Minis only; duty-free needs a sealed STEB on transfers |
| Checked Bag | 24–70% ABV up to 5 liters total, unopened | Retail packaging; pad glass; keep receipts |
| Prohibited | Over 70% ABV spirits | No exceptions in cabin or hold |
Those limits mirror airport screening and hazmat rules that keep cabins and cargo bays safe. The mini-bottle option suits tastings or gifts. Full bottles sit best in a padded checked suitcase. Many travelers also buy a duty-free bottle after security. If your itinerary includes another checkpoint, keep that sealed bag intact until you reach the last gate. A broken seal turns it into a regular liquid that can’t pass screening.
Carry-On Minis And The 3-1-1 Rule
Carry-on whisky works when you keep sizes small. Pack minis upright inside the quart bag. Leave them sealed at your seat. Cabin crews can’t pour from your personal stock, and passengers may drink only what the airline serves. That keeps service accountable and avoids confusion over who had how much. For sizes and screening details, see the TSA 3-1-1 liquids page.
Checked Bags: Quantity, Proof, And Packaging
Checked luggage is where full bottles ride. Spirits between 24% and 70% ABV are capped at five liters per traveler, and bottles must be unopened retail packaging. That means factory seals and labels, not a re-corked souvenir. Place the bottle in the center of the suitcase, wrap it with soft clothes, and use a leak-proof sleeve. Pressure shifts test caps, and a backup layer protects everything else.
Weight still matters. One full bottle with glass weighs around 1.2–1.5 kg. A couple of gifts can push a bag into fee territory. Spread the load across travelers when you can, and keep receipts ready for customs on arrival.
Duty-Free Whisky On Connections
Buying after security helps on direct flights. Connections bring one task: keep the secure bag sealed until your final leg. Some hubs accept international tamper-evident bags without fuss. Others may require you to check the bottle during transfer if the seal is broken or the bag type doesn’t match local rules. A quick fix is to buy at the last airport before the long segment.
Age Limits And Local Law
Inbound allowances apply to adults only, and the age line varies by country. Many set the level at 18; the U.S. sets service at 21. If you land with more than the allowance, declare it and pay the duty. Border sites post current numbers and changes, including any stamp programs or special conditions.
Whisky Rules By ABV, Bag, And Quantity
| ABV | Carry-On | Checked |
|---|---|---|
| ≤24% | Still bound by 3-1-1 sizes | No quantity limit |
| 24–70% | Minis only in 3-1-1 | Up to 5 liters total, unopened |
| >70% | Not allowed | Not allowed |
Most whisky sits around 40–46% ABV, cask strength can reach the high fifties, and a rare release can nudge into the sixties. All of those fit the middle band in the table. Products past 70% ABV don’t fly in any bag.
Packing Tips That Save Your Suitcase
Keep Glass Safe
Use a bottle sleeve or two thick zip bags, then wrap with a sweatshirt or jeans. Place the bundle in the middle of the suitcase. Fill space with softer items. Ask for a fragile tag at the counter if the airline offers one.
Control Leaks
Tape the cap, add a stretch cap if you have one, and carry spare zip bags. If a cork loosens after altitude, re-seal it for the ride home and isolate it from clothes.
Plan For Weight
A small luggage scale saves fees. If you travel as a pair, split bottles across bags. That keeps each suitcase under the airline’s limit and leaves padding room for snacks, tees, and gifts.
Policies In Flight: Service And Sobriety
Airlines handle pour decisions. Crews serve, and crews decide when to stop. U.S. rules say passengers may not drink alcohol they brought on board, even if it came from a duty-free shop. Keep personal bottles sealed in the cabin and ask the cart if you want a pour. See 14 CFR §121.575 for the exact wording.
Customs Snapshots You Should Know
Different borders set different free allowances for spirits. Great Britain lists up to four liters of spirits per adult within its personal allowance, while Australia lists 2.25 liters per adult. If you exceed the line, a quick declaration at arrivals solves it. Bring receipts and know how many open bottles you carry.
For official figures and current changes, check the UK personal allowance portal and the Australian Border Force duty-free limits before you fly.
Real Trip Scenarios
One Bottle, Direct Flight
Pack a sealed 700 ml or 750 ml bottle in the center of a checked bag. Wrap with soft layers, add a leak-proof sleeve, and keep the box only if it adds cushion. On arrival, walk through if your allowance covers one bottle.
Two Stops After Duty-Free
Buy close to the longest leg. Ask the shop to seal the bag with the receipt visible. Keep it with you. If a surprise checkpoint appears, move the bottle to a checked bag during transfer if a counter allows a quick drop.
Souvenir Run With Friends
Split bottles across travelers. Keep each person under the five-liter cap in the hold. Pack a small roll of tape, a towel, and spare zip bags for leaks. If a cork moves, reseal and isolate it.
Want a quick nudge for related safety gear? Read our short page on lighters rules before you pack torch lighters with your bar tools.