Can I bring an aerosol can on a plane?

Yes, you can bring an aerosol can on a plane, but only if it is a personal care or toiletry item like deodorant, hairspray, or shaving cream. Flammable or industrial aerosols like spray paint are banned entirely. Carry-on aerosols must be 3.4 ounces (100ml) or less and fit in your quart-sized bag. Checked aerosols can be up to 18 ounces (500ml) each, with a total limit of 70 ounces (2kg) per passenger.

  • United States: Toiletry aerosols in carry-on must be 3.4oz or less. Checked aerosols can be up to 18oz per container, 70oz total. Spray paint and flammable aerosols are banned in both.
  • Canada: Aerosols in carry-on must be 100ml or less. Checked aerosols follow IATA limits of 500ml per container, 2L total. Flammable aerosols are prohibited.
  • Europe and United Kingdom: Carry-on aerosols must be 100ml or less. Checked aerosols are limited to 500ml per container, 2L total. Flammable aerosols are banned.
  • Gulf Region: Emirates, Qatar Airways, and Etihad follow IATA rules. Carry-on aerosols 100ml or less. Checked aerosols 500ml per container, 2L total. Flammable aerosols banned.
  • Turkey: Turkish Airlines follows IATA rules. Carry-on aerosols 100ml or less. Checked aerosols 500ml per container, 2L total.
  • Asia-Pacific: ANA and other carriers follow ICAO rules. Carry-on aerosols 100ml or less. Checked aerosols 500ml per container, 2L total.

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Detailed Answer

What Counts as an Aerosol

An aerosol is a can that releases a fine spray or mist using pressurized gas. Common examples include deodorant, hairspray, shaving cream, dry shampoo, spray sunscreen, and body mist. Medicinal aerosols like asthma inhalers are treated differently and have special exemptions.

The key distinction is between personal care aerosols and hazardous aerosols. Personal care aerosols are allowed with limits. Hazardous aerosols, including spray paint, industrial cleaners, and flammable lubricants, are banned in both carry-on and checked baggage with no exceptions.

Carry-On Aerosol Rules

Aerosols in carry-on bags are subject to the same 3-1-1 liquid rule as other liquids and gels. Each container must be 3.4 ounces (100ml) or less. All containers must fit in one clear, quart-sized bag. The volume limit applies to the container size, not the amount of product remaining. A partially used can larger than 100ml is still prohibited.

Aerosol cans must have their safety caps in place to prevent accidental release. Uncapped cans may be rejected at security. The TSA recommends keeping the caps on and placing aerosols in a separate bag to contain any leaks.

Checked Baggage Aerosol Rules

Checked baggage rules are more lenient. Toiletry and medicinal aerosols are permitted in checked bags with the following limits: each container must not exceed 18 ounces (500ml), and the total aggregate quantity per person cannot exceed 70 ounces (2kg) or 2 liters. These limits apply to all restricted medicinal and toiletry articles combined, not just aerosols.

All aerosol release devices must be protected by caps or other suitable means to prevent accidental release. Pack them securely to prevent damage during handling.

Banned Aerosols

The following aerosols are prohibited in both carry-on and checked baggage with no exceptions:

  • Spray paint
  • Industrial cleaners and solvents
  • Heavy-duty insecticides
  • Aerosol lubricants
  • Tire sealants
  • Automotive flammable sprays
  • Any aerosol labeled as flammable, toxic, or corrosive

These items pose fire, explosion, and toxic fume risks at altitude. They will be confiscated at security.

By Region and Airline

United States

The TSA allows toiletry aerosols in carry-on if they are 3.4 ounces or less and fit in your quart-sized bag. Checked aerosols are limited to 18 ounces per container and 70 ounces total per passenger. Spray paint and flammable aerosols are prohibited in both carry-on and checked bags.

Canada

CATSA follows the 100ml carry-on rule for aerosols. Checked aerosols follow IATA limits of 500ml per container and 2 liters total. Flammable aerosols are prohibited.

Europe and United Kingdom

The UK Civil Aviation Authority and EU authorities enforce the 100ml carry-on limit for aerosols. Checked aerosols are limited to 500ml per container and 2 liters total. Flammable aerosols are banned in both carry-on and checked baggage.

Gulf Region

Emirates, Qatar Airways, and Etihad follow IATA dangerous goods regulations. Carry-on aerosols must be 100ml or less. Checked aerosols are limited to 500ml per container and 2 liters total. Flammable aerosols are prohibited. Passengers traveling through Dubai, Abu Dhabi, or Doha should follow these rules.

Turkey

Turkish Airlines follows IATA rules for aerosols. Carry-on aerosols must be 100ml or less. Checked aerosols are limited to 500ml per container and 2 liters total. Flammable aerosols are prohibited.

Asia-Pacific

ANA and other Asia-Pacific carriers follow ICAO rules. Carry-on aerosols must be 100ml or less and fit in a 1-liter transparent bag. Checked aerosols are limited to 500ml per container and 2 liters total. Flammable aerosols are prohibited. Passengers traveling through Tokyo, Singapore, Hong Kong, or Seoul should follow these rules.

Real Traveler Experiences

"I brought a full-size can of hairspray in my carry-on and it was confiscated. The officer said the can was too big even though it was half empty. The limit is on the container size, not the amount left." US traveler, forum post

"I always pack my deodorant spray in my checked bag. It is 6 ounces, which is under the 18-ounce limit. I put the cap on tight and wrap it in a plastic bag. No issues at all." UK traveler, travel review

"My aerosol sunscreen was under 3.4 ounces, so it went in my quart bag with my other liquids. Security did not even look at it." Australia traveler, forum post

Pro Tips

  • Check the container size before packing. The limit is on the container, not the remaining product
  • Keep the safety cap on all aerosol cans to prevent accidental release
  • Pack aerosols in a separate plastic bag to contain leaks
  • For checked bags, each container must be 18 ounces or less and total 70 ounces per person
  • Never pack flammable aerosols like spray paint or industrial cleaners
  • Medicinal aerosols like inhalers are exempt from the 100ml carry-on limit
  • Check your specific airline's rules before flying, as policies may vary
  • Pack full-size aerosols in checked baggage to avoid confiscation

Related Questions

Sources

AskTravel.org gives you the answer first, then the detail. Every answer is built from official sources and updated when rules change. See how we answer: How We Answer.

AskTravel.org is an information website only. Always check local regulations and operator policies before traveling, as rules change frequently.

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