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 formula on a plane with United Airlines when traveling with a baby?
Can I bring formula on a United Airlines flight?
Yes. United allows baby formula, breast milk, and baby food in carry-on bags. These items are exempt from the 3.4 oz (100 ml) liquid rule but must be declared at the security checkpoint and are subject to additional screening.
- Bring formula and milk in carry-on where you can access it during the flight.
- Inform the security officer when you reach screening so they can inspect the items; containers may be X‑rayed and may require opening or testing.
- Frozen items and ice packs are allowed if completely frozen when screened; partially thawed liquids may be treated as liquids.
- Powdered formula is allowed; large quantities may receive extra screening.
- Flight attendants may help with warming but are not required to heat bottles—bring warmer packs or request hot water.
- For international travel, check destination customs rules and bring extra supply for delays.
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