Choosing a Pet Carrier for Air Travel

Airline pet policies are strict, and the carrier is where most trips fall apart. The golden rule: every airline is different, so check your specific airline's rules before you buy anything.

For in-cabin travel, most airlines want a soft-sided carrier that fits under the seat in front of you. It needs ventilation on at least three sides, a waterproof bottom, and enough room for your pet to stand and turn around.

Measure your pet first, then buy the largest carrier that still meets the airline's under-seat dimensions. Bigger isn't always better; a carrier that's too big gets rejected at the gate.

Get your pet used to the carrier at home for weeks before the trip. Toss treats inside, leave the door open, and let it become a familiar nap spot rather than a scary box. A calm pet makes the whole flying experience far less stressful for both of you.

FAQ

What size carrier fits under an airplane seat? Typically around 18 x 11 x 11 inches, but it varies by airline, so always confirm.

Can my pet fly in cargo? Some airlines allow it, but in-cabin is safer and less stressful whenever the pet is small enough.

Should I sedate my pet for a flight? Most vets advise against it, as sedation and altitude don't mix well. Ask your vet what's safest.

Written by the Furaly Pet Care Team · Updated September 2026