Can you take breast milk in hand luggage?
Usually allowed in the cabin above the container limit, even without the baby present. Declare it at security.
Rule basis: Treated as a baby item exception at airport security. Based on general aviation security guidance — rules can vary between airports.
What to do: Default to 100ml per container in a single 1-litre clear bag. Anything larger goes in checked luggage.
Liquid Limits is a travel planning tool, not an official aviation source. Always confirm with the airport before you travel.
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Triple-check
Security · Airline · Border
Will breast milk pass the checkpoint?
AllowedBreast milk is exempt from the 100ml rule in reasonable quantities — declare it at the checkpoint.
Can breast milk travel in cabin or checked baggage?
Cabin OKAllowed in cabin baggage; keep it accessible for screening.
Can you bring breast milk into the destination country?
Usually OKPersonal-use quantities are rarely a customs problem, though some medicines need documentation.
Three separate rule systems · Any one can stop your item
In cabin baggage
Most countries allow expressed breast milk in reasonable quantities. The UK allows up to 2000ml per container. The US allows it without a baby present. Be ready for extra screening.
In checked luggage
Fine in cool packs, but cabin is safer for fresh milk.
Separate customs, airline, or import rules may apply. Check official guidance.
Examples
- •Small bottles in cool bag: cabin OK with declaration
- •Frozen pouches: declare; X-ray may be requested but is usually optional
Liquid Limits focuses on airport security and liquid-like travel items. Separate customs, import, airline, or destination laws may apply. For non-liquid items like plants, meat, weapons, cash, electronics, or luxury goods, check official customs guidance. What this site covers and doesn't cover.
Liquid Limits helps with airport security rules. Border and customs rules vary by destination, so always check official destination guidance before travelling internationally.
Check your airport liquid rulePacking checklist for breast milk
A short checklist for this trip — pack what you need to stay within the rules above.
Keep food and gifts protected in your bag.
Bigger jars are safer in the hold.