飛行機にIceを持ち込める？
条件付きで可能 — Iceは航空保安基準の制限内で機内持ち込みが可能です。 Frozen solid at presentation = fine.
- · Frozen solid at presentation = fine
- · Any melt/slosh = liquids rule applies (≤ 3.4 oz / 100 ml)
- · Gel ice packs for medical use are exempt from the melt rule
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航空保安当局別の公式規定
Rules by security authority
United States — TSA
機内持込:
条件付き
Allowed only if frozen solid at the checkpoint — partially melted or slushy ice counts as 3.4 oz liquid.
受託手荷物:
可能
Yes — no ice restriction in checked bags; pack waterproof, because it will melt.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
Iceのパッキング注意点
機内持ち込み手荷物: Allowed only if frozen solid at the checkpoint — partially melted or slushy ice counts as 3.4 oz liquid.
受託手荷物（預け荷物）: Yes — no ice restriction in checked bags; pack waterproof, because it will melt.
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 Ice in a carry-on?
Allowed only if frozen solid at the checkpoint — partially melted or slushy ice counts as 3.4 oz liquid.
Can you pack Ice in checked luggage?
Yes — no ice restriction in checked bags; pack waterproof, because it will melt.
Can you bring ice through airport security?
Yes, if it’s frozen completely solid when presented. The moment it sloshes, it’s a liquid and must fit the 3.4 oz (100 ml) rule.
Are gel ice packs allowed if partially melted?
Only when they’re medically necessary (medicine, breast milk, infant needs) — declare them. Convenience ice packs must be frozen solid.
Last verified:
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