坐飞机可以带 Dry Ice 吗？
Yes, with limits — you can bring dry ice in carry-on bags provided you follow security limits. ≤ 5.5 lb (2.5 kg) per person.
- · ≤ 5.5 lb (2.5 kg) per person
- · Package must be vented — never airtight
- · Carrier approval required — arrange before you fly
- · Checked packages: marked “DRY ICE” / “Carbon Dioxide Solid” with net weight
On this page · 6 sections
各航空安保机构官方规定
Rules by security authority
United States — TSA
Carry-on
Restricted
Sometimes — up to 5.5 lb of dry ice, in a vented package, and only with airline approval. Arrange it with your carrier first.
Checked bag
Restricted
Sometimes — the same 5.5 lb vented-package rule with airline approval applies to checked bags; the package must be marked appropriately.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
航空公司特殊附加规则
Airline approval is mandatory — call ahead. Carriers apply their own procedures within the 5.5 lb / 2.5 kg cap, and some routes decline dry ice entirely.
如何打包 Dry Ice
随身携带行李: Sometimes — up to 5.5 lb of dry ice, in a vented package, and only with airline approval. Arrange it with your carrier first.
托运行李: Sometimes — the same 5.5 lb vented-package rule with airline approval applies to checked bags; the package must be marked appropriately.
安检通道现场的安检官员拥有决定物品能否通过的最终裁决权。
常见问题解答 (FAQ)
Frequently asked questions
Can you bring Dry Ice in a carry-on?
Sometimes — up to 5.5 lb of dry ice, in a vented package, and only with airline approval. Arrange it with your carrier first.
Can you pack Dry Ice in checked luggage?
Sometimes — the same 5.5 lb vented-package rule with airline approval applies to checked bags; the package must be marked appropriately.
Do airlines have their own rules for dry ice?
Airline approval is mandatory — call ahead. Carriers apply their own procedures within the 5.5 lb / 2.5 kg cap, and some routes decline dry ice entirely.
Last verified:
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