坐飞机可以带 Bug Spray / Insect Repellent 吗？
Yes, with limits — you can bring bug spray in carry-on bags provided you follow security limits. Skin-applied (DEET/picaridin) only — ≤ 3.4 oz in cabin.
- · Skin-applied (DEET/picaridin) only — ≤ 3.4 oz in cabin
- · Yard/room insecticides sprayed at insects: never in either bag
- · Checked: ≤ 18 oz per container, 70 oz total
- · Repellent wipes: not liquids — unlimited
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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.
各航空安保机构官方规定
Rules by security authority
United States — TSA
Carry-on
Restricted
Yes — skin-applied repellents of 3.4 oz (100 ml) or less in your liquids bag.
Checked bag
Restricted
Yes — FAA caps: ≤ 18 oz (500 ml) per container, 70 oz (2 L) total per person, nozzle capped.
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 Bug Spray / Insect Repellent
随身携带行李: Yes — skin-applied repellents of 3.4 oz (100 ml) or less in your liquids bag.
托运行李: Yes — FAA caps: ≤ 18 oz (500 ml) per container, 70 oz (2 L) total per person, nozzle capped.
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 Bug Spray in a carry-on?
Yes — skin-applied repellents of 3.4 oz (100 ml) or less in your liquids bag.
Can you pack Bug Spray in checked luggage?
Yes — FAA caps: ≤ 18 oz (500 ml) per container, 70 oz (2 L) total per person, nozzle capped.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →