飛行機にSmall Pets (cat/dog)を持ち込める？
Yes, with limits — you can bring small pets in carry-on bags provided you follow security limits. Airline decides: in-cabin fee carriers fit under the seat; hold transport varies by breed/season.
- · Airline decides: in-cabin fee carriers fit under the seat; hold transport varies by breed/season
- · Checkpoint: carrier case through X-ray; you carry the pet through the metal detector
- · Keep control — leash off when carrying through
- · Carrier may get visual/physical inspection
On this page · 6 sections
航空保安当局別の公式規定
Rules by security authority
United States — TSA
Carry-on
Restricted
Check with your airline — security itself allows small pets through: the carrier is X-rayed, you carry the animal through.
Checked bag
Restricted
Check with your airline — under-seat vs checked/hold transport is entirely the carrier’s policy call.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
航空会社別の追加ルール
Everything about this trip is airline policy — cabin fees, carrier dimensions, breed and seasonal hold embargoes. Book the pet slot when you book your seat; cabins cap the number of animals per flight.
Small Pets (cat/dog)のパッキング注意点
機内持ち込み手荷物: Check with your airline — security itself allows small pets through: the carrier is X-rayed, you carry the animal through.
受託手荷物（預け荷物）: Check with your airline — under-seat vs checked/hold transport is entirely the carrier’s policy call.
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 a Small Pet in a carry-on?
Check with your airline — security itself allows small pets through: the carrier is X-rayed, you carry the animal through.
Can you pack a Small Pet in checked luggage?
Check with your airline — under-seat vs checked/hold transport is entirely the carrier’s policy call.
Does my pet go through the X-ray machine?
No — only the empty carrier goes through X-ray. You carry or walk your pet through the metal detector with you, with the leash removed while passing through.
Do airlines have their own rules for a small pet?
Everything about this trip is airline policy — cabin fees, carrier dimensions, breed and seasonal hold embargoes. Book the pet slot when you book your seat; cabins cap the number of animals per flight.
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Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →