坐飞机可以带 Box Cutter / Utility Knife 吗？
No — you cannot bring box cutter in carry-on luggage through security checkpoints. Cabin: never, blade in or out.
- · Cabin: never, blade in or out
- · Checked: allowed, sheathed or securely wrapped
- · Loose replacement blades: checked only
- · Knives legal everywhere on the ground still cannot fly in the cabin
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 — box cutters and utility knives are prohibited in the cabin, with or without the blade installed.
Checked bag
Yes
Yes — sheathe or wrap the blade securely so baggage handlers and inspectors cannot be cut.
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 Box Cutter / Utility Knife
随身携带行李: No — box cutters and utility knives are prohibited in the cabin, with or without the blade installed.
托运行李: Yes — sheathe or wrap the blade securely so baggage handlers and inspectors cannot be cut.
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 Box Cutter in a carry-on?
No — box cutters and utility knives are prohibited in the cabin, with or without the blade installed.
Can you pack a Box Cutter in checked luggage?
Yes — sheathe or wrap the blade securely so baggage handlers and inspectors cannot be cut.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →