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Can I Carry It? — verified carry-on guide

飛行機にBreast Milkを持ち込める？

食品・スナック類

要約結論
機内持込: ✓ 可能 受託手荷物: ✓ 可能

可能 — Breast Milkは機内持ち込み手荷物として飛行機に持ち込めます。 No 3.4 oz limit — declare it at the checkpoint.

  • · No 3.4 oz limit — declare it at the checkpoint
  • · Your child does NOT need to be present
  • · Ice/gel packs for cooling milk: exempt, with or without milk present
  • · Clear bottles screen fastest; you can refuse X-ray/opening and get alternate screening
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💧 3-1-1 liquids rule checker

One quart-size (≈1 L) bag per passenger; every container must be 3.4 oz (100 ml) or less.

Fit is approximate — container shape decides real-world packing. Medically necessary liquids and infant food are exempt: declare them.

航空保安当局別の公式規定

Rules by security authority

United States — TSA

機内持込:

可能

Yes — medically necessary, so quantities over 3.4 oz are allowed. Declare it at screening; your child does not need to be traveling with you.

受託手荷物:

可能

Yes, breast milk is allowed in checked bags too — frozen with ice packs it transports very well.

Rule conditions: No 3.4 oz limit — declare it at the checkpointYour child does NOT need to be presentIce/gel packs for cooling milk: exempt, with or without milk presentClear bottles screen fastest; you can refuse X-ray/opening and get alternate screening

Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.

例外規定・特別措置

Infant care exemption: Formula, breast milk, and baby food in reasonable quantities are permitted in carry-on bags. Declare separately for screening.

Breast Milkのパッキング注意点

機内持ち込み手荷物: Yes — medically necessary, so quantities over 3.4 oz are allowed. Declare it at screening; your child does not need to be traveling with you.

受託手荷物（預け荷物）: Yes, breast milk is allowed in checked bags too — frozen with ice packs it transports very well.

保安検査場での最終的な持ち込み可否判断は、現場の保安検査員に委ねられます。

よくある質問 (FAQ)

Frequently asked questions

Can you bring Breast Milk in a carry-on?

Yes — medically necessary, so quantities over 3.4 oz are allowed. Declare it at screening; your child does not need to be traveling with you.

Can you pack Breast Milk in checked luggage?

Yes, breast milk is allowed in checked bags too — frozen with ice packs it transports very well.

Do I have to be traveling with my baby to bring breast milk?

No — both TSA and CATSA expressly allow breast milk over the liquid limit when you are flying without your child. Declare it for inspection at the checkpoint.

Last verified:

Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →