💨 Spray deodorant

A standard full-size aerosol deodorant is typically 150ml or 200ml — well over the 100ml carry-on limit — and it will be confiscated at the checkpoint. You will not be able to retrieve it or transfer it to checked baggage once you are at security. Decant into a travel-size can or switch to a roll-on or solid format before you travel.

The 100ml liquid and aerosol limit applies consistently in the US, UK, EU, Canada, and Australia. There are no regional exemptions for deodorant specifically. The total quantity of flammable aerosols permitted in checked baggage does vary by airline — most follow the IATA limit of 0.5kg or 500ml total — but for carry-on the rule is a straightforward 100ml per container everywhere.

Yes — a 100ml spray deodorant counts as one item in your one-litre clear liquids bag. As long as all your liquids fit comfortably within the bag and it can be sealed, you can fill the remaining space with other liquids such as shampoo, toothpaste, or perfume. The limit is per container (100ml maximum) and per bag (one litre total), not per category of product.

If you regularly pack a full-size aerosol and find yourself buying travel-size cans specifically for flights, a solid or roll-on deodorant is a simpler long-term solution. Solid stick deodorant is not classified as a liquid and does not need to go in your liquids bag at all. Roll-on deodorant is a liquid and subject to the 100ml rule, but many travel sizes are available and the format is less regulated than pressurised aerosols.