What Size Bag

Hair straighteners and curling irons on a plane

Corded hair straighteners and curling irons can go in carry-on or checked bags. Cordless ones that run on a battery or butane go in your carry-on only, with a safety cover over the heating element.

Hair tools in carry-on and checked bags
ToolCarry-onChecked bag
Corded straightener or curling ironYesYes
Hair dryerYesYes
Cordless, with a lithium batteryYesNo
Cordless, butane or gas cartridgeYes (butane curling irons: one per person)No
Spare butane or gas cartridgesNoNo

Cordless battery tools

Besides the safety cover, protect a cordless straightener or curling iron from switching on by accident. Its lithium battery falls under the same Wh limits as a laptop’s.

Butane curling irons

The DOT rule allows one butane curling iron per person, in your carry-on bag.

Common questions

Can I bring a hair dryer on a plane?

Yes, TSA allows hair dryers in carry-on and checked bags.

Can I bring spare butane cartridges for my curling iron?

No, TSA doesn't allow gas refills for a curling iron in carry-on or checked bags.

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Where we get our information from

The rules are TSA’s checkpoint list and the FAA’s PackSafe chart, with the DOT regulation behind it (49 CFR 175.10). Checked against published data from TSA, FAA and US DOT.

See all 8 sources
  • FAA, Printable PackSafe Chart (PDF, updated November 14, 2025)
  • US DOT, 49 CFR 175.10, Exceptions for passengers, crewmembers, and air operators (eCFR)
  • TSA, What Can I Bring?: Butane Curling Irons (cordless)
  • TSA, What Can I Bring?: Curling Iron (cordless)
  • TSA, What Can I Bring?: Curling Iron (with cord)
  • TSA, What Can I Bring?: Hair Straightener, flat iron (cordless)
  • TSA, What Can I Bring?: Hair Straightener, flat iron (with cord)
  • TSA, What Can I Bring?: Hair Dryers

General guidance from airline, TSA and FAA rules, checked on the date shown. Rules change, and the airline and security officers decide on the day: check your airline before you fly.