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 pumped breast milk on a plane with Southwest Airlines when traveling with a baby?
Bringing pumped breast milk on Southwest Airlines
Yes — you can bring pumped breast milk in carry‑on when flying Southwest. Southwest follows TSA rules: breast milk, formula, and baby food are allowed in quantities greater than the 3.4 oz/100 ml liquid limit and do not count toward your liquid allowance. Declare the milk at the security checkpoint for inspection.
- Declare it: Tell the TSA officer you have breast milk to screen.
- Screening: Containers may be X‑rayed or inspected; officers may need to open them for additional screening.
- Frozen/with ice packs: Frozen or chilled milk and ice packs are allowed. If ice packs melt, they are treated as liquids and still OK for inspection.
- Pumps and batteries: Breast pumps are allowed in carry‑on. Spare batteries (lithium) should be carried in the cabin, not checked.
- Packing tips: Use leak‑proof containers, label them, bring a cooler bag, and allow extra time at security.
If you’re traveling internationally or without your child, check destination entry rules and allow extra time at the airport.
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