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 formula when flying with Delta. Delta follows TSA rules: infant formula, breast milk, juice and powdered formula are allowed in carry-on bags in reasonable quantities even if over 3.4 oz (100 ml). You should declare these items to the TSA officer at security screening.
If you want, ask Delta customer service ahead of travel for any specific aircraft or international guidance. Declaring items at security and carrying reasonable amounts will make screening quicker and keep your baby comfortable on the trip.



Understand Spirit Airlines' stroller rules: bring, gate-check, or check a travel stroller when flying with a baby, plus size limits.
Know KLM's rules for carrying baby wipes on board when flying with an infant, including allowances and travel tips.
Learn Qatar Airways' rules for carrying baby formula on flights, including allowed amounts, security screening, and in-flight options for infants.
Learn Spirit Airlines' policy on carrying pumped breast milk when traveling with a baby, including TSA rules, container limits, and documentation tips.
Learn United Airlines' breast milk policy for travel with infants, TSA allowances, packing and storage tips, and documentation requirements.
Can I bring a portable crib on KLM flights? Learn KLM's policies, allowances, and tips for traveling with a baby.