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 breast milk on a plane with Allegiant Air when traveling with a baby?
Bringing breast milk on Allegiant Air
Yes — you can bring breast milk when flying Allegiant. As a U.S. carrier, Allegiant follows TSA rules: breast milk, formula, and juice for infants are allowed in quantities greater than 3.4 oz (100 ml). Declare these items to the security officer at the checkpoint; they are subject to additional screening (X‑ray or visual inspection) and may require opening for inspection.
- Carry it in carry‑on baggage — this avoids temperature and handling risks.
- Ice packs and frozen gel packs are permitted to keep milk cold; they may also be screened separately.
- Label containers if possible and bring extra supplies (spare bottles, pump parts, wipes).
- Onboard warming — Allegiant typically does not guarantee bottle warming; plan to use hot water from flight attendants or bring an insulated bottle.
- International travel — check destination entry rules and customs for bringing breast milk across borders.
If you want, I can suggest a short packing checklist for flying with breast milk and an infant.
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