飛行機にBug Spray / Insect Repellentを持ち込める？
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
On this page · 5 sections
💧 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.
航空保安当局別の公式規定
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.
Bug Spray / Insect Repellentのパッキング注意点
機内持ち込み手荷物: Yes — skin-applied repellents of 3.4 oz (100 ml) or less in your liquids bag.
受託手荷物（預け荷物）: Yes — FAA caps: ≤ 18 oz (500 ml) per container, 70 oz (2 L) total per person, nozzle capped.
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 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 →