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Can I Carry It? — verified carry-on guide

坐飞机可以带 Pocket Knife 吗？

运动户外装备与杂项

简明结论
随身随带: ✕ 禁止携带 托运限制: ✓ 可以携带

No — you cannot bring pocket knife in carry-on luggage through security checkpoints. Carry-on: never, regardless of blade length.

  • · Carry-on: never, regardless of blade length
  • · Rounded-blade butter knives + plastic cutlery: allowed
  • · Checked: sheath or wrap sharp edges
  • · Multi-tools with any knife blade: checked only · bladeless multi-tools: carry-on OK
  • · Multi-tool scissors under 4 in (from pivot): carry-on OK
On this page · 5 sections

各航空安保机构官方规定

Rules by security authority

United States — TSA

Carry-on

No

No. Knives of any size are banned in the cabin — the only exceptions are rounded-blade butter knives and plastic cutlery.

Checked bag

Yes

Yes. Knives are fine in checked bags as long as they are sheathed or securely wrapped to protect baggage handlers and inspectors.

Rule conditions: Carry-on: never, regardless of blade lengthRounded-blade butter knives + plastic cutlery: allowedChecked: sheath or wrap sharp edgesMulti-tools with any knife blade: checked only · bladeless multi-tools: carry-on OKMulti-tool scissors under 4 in (from pivot): carry-on OK

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

如何打包 Pocket Knife

随身携带行李: No. Knives of any size are banned in the cabin — the only exceptions are rounded-blade butter knives and plastic cutlery.

托运行李: Yes. Knives are fine in checked bags as long as they are sheathed or securely wrapped to protect baggage handlers and inspectors.

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 a Pocket Knife in a carry-on?

No. Knives of any size are banned in the cabin — the only exceptions are rounded-blade butter knives and plastic cutlery.

Can you pack a Pocket Knife in checked luggage?

Yes. Knives are fine in checked bags as long as they are sheathed or securely wrapped to protect baggage handlers and inspectors.

Can I bring a Swiss Army knife on a plane?

Not in the cabin — any knife blade makes it prohibited there, whatever the length. It travels fine in checked luggage, sheathed or wrapped.

Can I bring a multi-tool (Leatherman) on a plane?

Without a knife blade, yes — bladeless multi-tools are allowed in carry-on, and scissors under 4 inches are fine. One blade of any size sends it to the checked bag.

Last verified:

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