飛行機にPepper Sprayを持ち込める？
不可 — 保安検査においてPepper Sprayの機内持ち込みは禁止されています。 Carry-on: banned.
- · Carry-on: banned
- · Checked (US only): 1 × 118 ml with safety mechanism
- · BANNED ENTIRELY entering Canada — see below
On this page · 5 sections
航空保安当局別の公式規定
Rules by security authority
United States — TSA
機内持込:
不可
No — pepper spray is banned from carry-on bags.
受託手荷物:
条件付き
Checked: one 4 fl oz (118 ml) container maximum, and it must have a safety mechanism against accidental discharge.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
Pepper Sprayのパッキング注意点
機内持ち込み手荷物: No — pepper spray is banned from carry-on bags.
受託手荷物（預け荷物）: Checked: one 4 fl oz (118 ml) container maximum, and it must have a safety mechanism against accidental discharge.
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 Pepper Spray in a carry-on?
No — pepper spray is banned from carry-on bags.
Can you pack Pepper Spray in checked luggage?
Checked: one 4 fl oz (118 ml) container maximum, and it must have a safety mechanism against accidental discharge.
Can I bring pepper spray on a plane?
US domestic: one 4 oz (118 ml) container with a safety mechanism, checked bags only. Canada: never — it’s a prohibited weapon there, banned in both bags.
Can I take pepper spray to Canada?
No. Pepper spray is illegal to possess in Canada under the Criminal Code — CATSA confiscates it, and charges are possible.
Is bear spray allowed instead?
Not by TSA (banned both bags). In Canada it’s lawful only as wilderness bear deterrent — check our bear-spray page for the split.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →