Reviewed by:

D. Goren
Head of Content
Updated Feb, 6
Because airline child policies change — and parents shouldn’t have to hunt for answers.
Yes — you can bring baby formula when flying Frontier. Frontier follows standard airport security rules, so you may carry infant formula, breast milk, baby food, and juice for your child in your carry-on. These items are treated as an exception to the normal 3.4 oz/100 ml liquid rule for security screening, but you must declare them to the TSA/security officer at the checkpoint.
Useful practical tips to make your trip easier:
Bottom line: Bring formula in your carry-on, declare it at security, expect inspection, and pack extras. Frontier permits infant formula items, but always follow the airport security rules where you start your journey and check destination import rules for international travel.



Learn Frontier Airlines' rules for bringing baby formula on board, TSA allowances, packing tips, and traveling smoothly with an infant.
Yes — Aeromexico permits baby snacks and food onboard; declare liquids over 100 mL at security and follow cabin crew instructions.
Find out if Japan Airlines allows pack-and-plays on flights with babies, plus baggage rules, gate-check options, and packing tips.
Southwest Airlines stroller rules: learn if you can bring a travel stroller onboard, gate-check procedures, and tips for flying with a baby.
Bringing a bottle warmer on Southwest? Generally allowed—follow TSA and airline battery rules, declare at security, and meet carry-on limits.
Bring baby wipes on Breeze Airways flights—TSA permits wipes in carry-on and checked bags when traveling with an infant.