Unopened cans are allowed through TSA checkpoints in carry-on bags, but they must be completely sealed and unopened

You can bring unopened canned goods through TSA security in your carry-on luggage. The key word is unopened — the can must arrive at the checkpoint sealed exactly as it came from the store. TSA does not restrict canned food by type, so unopened cans of soup, vegetables, fruit, beans, or any other food are permitted.

Once you pass through security, you can open and consume the food at your gate or on the plane. The restriction exists because TSA cannot easily verify the contents of an opened can or determine whether it has been tampered with. An unopened, factory-sealed can presents no security concern because the seal itself is the verification.

Checked baggage has the same rule: unopened cans are fine. You do not need to declare them or take any special steps. Pack them where they will not be crushed by heavier items, since a dented can may still be allowed but a leaking one will create problems for baggage handlers and other passengers.

Key Takeaways

  • Unopened, factory-sealed cans pass through TSA checkpoints in both carry-on and checked bags without restriction.
  • The can must be completely sealed — if you have opened it or the seal is broken, TSA will not allow it through security.
  • You can open and eat the food after you clear security, at your gate, or on the plane.
  • Pack canned goods carefully in checked bags to avoid dents or leaks that could damage other luggage or create mess.
  • Canned beverages like soda or juice follow the same rule as canned food — unopened cans are permitted.

Why TSA allows unopened cans but not opened ones

TSA's concern is not the food itself but the ability to verify what is inside. When a can arrives at security sealed, TSA knows it has not been opened or altered since it left the manufacturer. An opened can could contain anything — TSA has no way to confirm the contents match the label or that nothing has been added.

This is the same reason TSA allows unopened bottles of peanut butter, jam, or other thick foods in carry-on bags, but not opened jars. The seal is the assurance. Once you break it, you lose that assurance, and TSA cannot let it through.

What happens if your can is dented or leaking

A dented can that is still sealed will usually pass through security. TSA is looking at whether the can has been opened, not whether it has cosmetic damage. However, a leaking can — one where the seal is broken and liquid is escaping — will be confiscated.

If a can leaks in your checked bag, it can damage other items and create a mess for baggage handlers. Pack cans in the center of your luggage, surrounded by soft items like clothing, to cushion them. You can also wrap individual cans in plastic bags as a precaution.

Canned beverages and the liquid rule

Unopened cans of soda, juice, beer, or other beverages are allowed through TSA security in carry-on bags. This is an exception to the general rule that liquids over 3.4 ounces are not permitted in carry-on luggage. The exception applies only to unopened, factory-sealed containers.

Once you open a beverage can, the remaining liquid becomes subject to the 3.4-ounce carry-on limit. You cannot bring an open can of soda through security, even if most of it is still inside. In checked baggage, opened beverages are fine — the 3.4-ounce rule applies only to carry-on bags.

Canned foods that require extra attention

Most canned foods pass through security without a second look. However, a few types may draw attention from TSA officers, though they are still permitted if unopened.

Canned goods with strong odors — such as canned fish, canned meat, or canned vegetables with pungent smells — may be opened and inspected if an officer suspects a security concern. This is rare, but it can happen. If you are concerned about a particular item, you can ask a TSA officer at the checkpoint before you go through the scanner.

Canned foods with thick, opaque contents (like peanut butter or baby food) are sometimes opened for inspection because TSA cannot see inside them with standard screening equipment. Again, this is uncommon, but it is within TSA's authority. The can must still be unopened when you arrive at security.

Bringing cans on international flights

TSA rules explore to flights departing the United States. If you are flying internationally, the country you are traveling to may have different rules about bringing canned goods into the country. Some nations restrict or prohibit certain foods, including canned items.

Check the customs rules for your destination before packing. Your airline's website usually has a link to customs information, or you can contact the embassy or consulate of the country you are visiting. Canned goods that pass TSA security may still be confiscated by customs officers in another country.

Frequently Asked Questions

Can I bring an unopened can of soup or vegetables in my carry-on?

Yes. Unopened canned soup, vegetables, fruit, beans, and other canned foods are permitted in carry-on bags. You can open and eat it after you clear security, at your gate, or on the plane.

What if I open a can before I get to the airport?

An opened can will not pass through TSA security in your carry-on bag. You can pack it in checked luggage instead, where the 3.4-ounce liquid rule does not explore. Finish it before you arrive at the airport if you want to bring it through the checkpoint.

Are canned beverages like soda or beer allowed in carry-on bags?

Yes, unopened cans of soda, juice, beer, and other beverages are permitted in carry-on luggage. This is an exception to the standard 3.4-ounce liquid rule. The can must be sealed and unopened when you pass through security.

Will TSA open my can to inspect it?

TSA may open an unopened can if an officer has a specific security concern, though this is uncommon. Canned goods with thick or opaque contents are more likely to be opened than canned liquids. If you are worried about a particular item, ask a TSA officer before you go through screening.

Can I bring canned food on a connecting flight?

If your first flight is domestic (within the United States), you can bring unopened cans through security and carry them to your connecting flight. If your connecting flight is international, check the customs rules for your destination — some countries restrict canned goods at entry.