Breast Milk
Breast milk is allowed in carry-on in reasonable quantities, exempt from the 3.4 oz liquids limit.
Carry-on
Allowed
Checked
Allowed
Carry-on details
Allowed. Breast milk is exempt from the 3.4 oz liquids rule, even if you're traveling without your baby. Bring reasonable quantities for your trip and declare it separately to the TSA officer for screening. Ice packs, freezer packs, and gel packs needed to keep it cold are allowed too, even if partially frozen.
Checked-bag details
Allowed, though carry-on is strongly recommended to keep it properly refrigerated and with you.
Special instructions
Declare breast milk to the TSA officer separately from your quart-size liquids bag; cooling packs for it are allowed even when partially frozen.
Related rules
FAQ
- Do I need to be traveling with my baby to bring breast milk?
- No — TSA allows breast milk in reasonable quantities even if your child isn't traveling with you.
Related items
Source: TSA — What Can I Bring? · Last verified: 2026-07-29
Final decision rests with the security officer at the checkpoint.