Can I bring a curling iron on a plane?

Last checked: July 2026 — sourced against TSA “What Can I Bring?” and FAA PackSafe. Rules change; re-verify before you fly.

The verdict, in one line

It comes down to how it heats. A normal corded, plug-in curling iron is unrestricted — carry-on or checked, no special handling. A butane or gas cartridge cordless curling iron is a fuel-powered item: allowed in your carry-on only, one per person, with a safety cover on the heating element — and flatly banned from checked bags. Spare gas cartridges are prohibited everywhere.

The corded kind: easy, both bags

If your curling iron has a cord that plugs into the wall, TSA and the FAA don’t restrict it at all. Pack it in your carry-on or your checked bag, whichever you like. There’s no quantity limit and no special cover requirement. The only sensible habit is to let it fully cool before it goes near clothing — a screening or handling issue only if it’s still hot when you pack.

The same goes for a battery-free travel iron that heats from mains power. It’s the fuel, not the heat, that changes the rules. That distinction is the whole story on this page.

The butane/gas cordless kind: carry-on only, one each

Cordless curling irons that heat by burning a butane or gas cartridge are treated as a fuel hazard. The FAA PackSafe rule and TSA’s item page line up exactly:

• Carry-on: allowed, limited to one per person. A safety cover must be securely fitted over the heating element, and the device protected from accidental activation.
• Checked bag: not allowed. Gas/butane cordless hair tools are prohibited from checked baggage.
• Spare gas or butane cartridges: banned from both carry-on and checked bags. Only the cartridge already inside the device counts.

The logic is simple: a loose fuel cartridge can leak or ignite, and a fuel-fired tool that switches on in a bag is a fire risk. Keeping it in the cabin — one unit, covered, unable to turn on by accident — is the compromise that lets it fly at all.

Lithium-battery cordless curling irons

There’s a third type worth flagging: cordless irons that heat from a built-in lithium battery rather than gas. These follow the lithium rules, not the butane ones — they travel in your carry-on only (like anything with a lithium cell you want in the cabin), and a safety cover over the heating element is expected. If you can’t tell whether yours is gas or lithium, check the barrel or manual for a refill valve; a valve means gas. When in doubt, keep it in the cabin and leave any refills at home.

How to pack a butane curling iron

If you’re bringing the one butane iron the rules allow, a little prep keeps it from being pulled at the checkpoint. Fit the manufacturer’s safety cap firmly over the barrel so the heating element can’t scorch anything or switch on against the inside of your bag. Make sure the gas control is fully off and, if the model has a lock, engage it. Let it cool completely before packing — a warm fuel tool is exactly what screening watches for.

Leave every spare cartridge at home; they are banned from all baggage, so a refill in your bag is a guaranteed confiscation and a possible fine. If you’ll be away long enough to run the cartridge dry, plan to buy fuel at your destination or switch to a corded iron for the trip. And keep the iron in an outer or easily reached pocket of your carry-on in case an officer wants a closer look — fuel-heated tools draw questions, and quick access speeds you through.

The airline & international layer

US airlines follow the FAA rule above, and several updated their restricted-items pages in 2025 to spell out the checked-bag ban on butane hair tools after a run of incidents. Outside the US, expect the fuel-cartridge logic to hold everywhere, but the “one per person” allowance and even the carry-on permission can be stricter. Some carriers and airports simply refuse fuel-heated styling tools altogether.

If a butane curling iron is essential to your trip, the safe play is to check your specific airline’s dangerous-goods page before you pack, and to accept that a corded iron plus a travel voltage adapter is the lower-hassle option almost everywhere. When the rule is ambiguous at your departure airport, an officer has the final say — and with fuel tools, they lean conservative.

Related rules: Lithium batteries & power banks · Hair straightener · Lighter · Power bank