Every airline's pet rules, measured against your carrier.
Fees, carrier sizes and weight limits for 18 airlines, read off each airline's own policy page. Enter your carrier's size and see where it fits.
Quick answers
The questions pet owners ask most, answered in a sentence, with the full guide one click away.
Can my dog or cat fly in the cabin?
Yes, on 15 of the 18 airlines we track, if your pet fits in a carrier under the seat in front of you.
How flying with a dog worksHow much is a pet ticket?
On US airlines, $50 to $150 each way: $150 on United, Delta, American and JetBlue, $125 on Southwest.
Every airline's pet feeWhat size carrier fits every airline?
A carrier no larger than 17 x 10.5 x 8.5 in fits every US airline limit we track.
Carrier sizes by airlineCan a large dog fly in the cabin?
Not on major US airlines. ITA Airways and dog charters such as BARK Air are the exceptions.
Options for big dogsWhich airlines still fly pets in cargo?
In the US, Alaska and Hawaiian, at $200 each way. United, Delta and American only for military moves.
Pets in cargo in 2026Do I need a health certificate?
Usually for international trips and Hawaii, from an accredited vet, often issued within 10 days of travel.
Health certificates explainedAirline pet policies side by side
Open an airline for its full rules and sources. Sort by fee or carrier size, or filter by region.
| Pets in cabin | Weight limit | Hold or cargo | |||
|---|---|---|---|---|---|
| Air CanadaNorth America | Yes | C$50–60Canada/US; C$100–120 international | 43 x 40 x 20 cm most jets | No set limit | Yes |
| Alaska AirlinesNorth America | Yes | $100each way; $35 within Hawaii | 17 x 11 x 9.5 in | No set limit | Yes |
| Allegiant AirNorth America | Yes | $50per segment | 18 x 12 x 11 in soft-sided | No set limit | No |
| American AirlinesNorth America | Yes | $150per kennel, each way | 18 x 11 x 11 in soft-sided | No set limit | No |
| Delta Air LinesNorth America | Yes | $150US/Canada; $200 international | 18 x 11 x 11 in | No set limit | No |
| Frontier AirlinesNorth America | Yes | $149per pet, each way | 18 x 14 x 11 in soft-sided | No set limit | No |
| Hawaiian AirlinesNorth America | Yes | $100each way; $35 within Hawaii | 17 x 11 x 9.5 in | No set limit | Yes |
| JetBlueNorth America | Yes | $150each way | 17 x 12.5 x 8.5 in | No set limit | No |
| Southwest AirlinesNorth America | Yes | $125each way; $35 between Hawaiian islands | 18 x 10.5 x 10 in | No set limit | No |
| United AirlinesNorth America | Yes | $150each way | 18 x 11 x 11 in soft-sided | No set limit | No |
| WestJetNorth America | Yes | C$50–59Canada/US; C$100–118 elsewhere | 41 x 25.4 x 21.5 cm | No set limit | Yes |
| Air FranceEurope | Yes | €200US$225 on US–Europe routes | Not published | 8 kg with carrier | Yes |
| British AirwaysEurope | No | Not allowedassistance dogs only in cabin | — | — | Yes |
| KLM Royal Dutch AirlinesEurope | Yes | €70–500each way, by route | 46 x 28 x 24 cm | 8 kg with carrier | Yes |
| LufthansaEurope | Yes | Variesby route; not published | 55 x 40 x 23 cm | 8 kg with carrier | Yes |
| Turkish AirlinesEurope | Yes | US$75published interline rate; varies | 40 x 30 x 23 cm | 8 kg with carrier | Yes |
| EmiratesMiddle East | No | Not allowedfalcons only on select routes | — | — | Yes |
| Qatar AirwaysMiddle East | No | Not allowedfalcons only | — | — | Yes |
Fees are one way, in the currency the airline charges. Sort by fee or by carrier height.
Guides for flying with pets
Rules, documents and practical tips, every fact checked against an official source.
Pet-friendly airlines compared: fees, carriers and rules in 2026
We scored 15 airlines on seven published pet rules: fees, carrier size, weight caps, pets per person, hold and routes. See which fits your dog or cat.
Can dogs fly on planes? How flying with a dog works in 2026
Yes, if your dog fits under the seat. The three ways dogs fly, which airlines allow dogs in the cabin, what it costs, and a step-by-step booking checklist.
Airline-approved pet carriers: what the label means and which sizes fit
No official 'airline approved' or 'TSA approved' pet carrier exists. The real under-seat limits for 15 airlines and the sizes that fit most flights.
How much does it cost to fly with a dog? Every airline's pet fee
Cabin pet fees run $100 to $150 each way on most US airlines. Every airline's pet ticket price, hold and cargo fees, health certificate costs and charters.
How to fly with a cat: airlines, fees and a calm travel day
Which airlines take cats in the cabin, what it costs, how to get a cat through airport security, and how to keep the day calm. Fees checked.
Service dogs on planes: DOT rules, forms and the registry myth
There's no official US service dog registry. How flying with a service dog works under DOT rules: the forms, the 48-hour deadline, fees, seating and TSA.
How we check
Every number on this site comes from the airline's or regulator's own website, with a link so you can check it yourself.