Reviewed by:
D. Goren
Head of Content
Updated Feb, 6
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Because airline child policies change — and parents shouldn’t have to hunt for answers.
Can you bring a bottle warmer on a plane with Southwest Airlines when traveling with a baby?
Bringing a bottle warmer on Southwest Airlines
Yes — you can bring a bottle warmer on board Southwest as part of your carry-on or personal items when traveling with a baby. A few practical notes to keep your trip smooth:
- Carry-on recommended: Keep the warmer in carry-on baggage, especially if it contains lithium batteries — spare batteries must be in carry-on and protected from short circuits.
- TSA screening: Expect the device to be X-rayed. If it contains water or breast milk/formula, declare those liquids at the security checkpoint (they’re exempt from the 3.4 oz rule for baby needs).
- Power/use onboard: You may not be able to heat bottles during flight unless your seat or aircraft has a compatible power outlet—ask crew politely, but don’t expect universal availability.
- Prohibited types: Do not bring fuel- or gas-powered warmers (butane, propane) — those are not allowed on planes.
If you tell the gate or flight attendant you’re traveling with an infant, staff are usually helpful with warming options on board. Safe travels!
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