Flying with your cat: ticket, carrier and rules to know before booking

🐈 Cats · 🧳 Travel & safety · updated 2026-08-27

Green-eyed tabby cat settled on a sofa

Flying with a cat needs to be planned weeks in advance: every airline caps the number of animals per flight, sets precise cabin carrier dimensions, and requires up-to-date health paperwork, details that, if overlooked, can block boarding on the day itself.

How do you book a place for your cat?

Most airlines allow a cat in the cabin under the seat in front, for a flat fee of 40 to 100 € depending on the destination, but only within a limited number of animals per flight: book this spot when you buy the ticket, not afterwards, or risk being turned away at the airport.

Which carrier should you choose for cabin travel?

What paperwork should you prepare before the flight?

For an international flight, you'll typically need a European pet passport or a health certificate depending on the destination, an up-to-date microchip, and often a rabies vaccination administered more than twenty-one days beforehand. Check the airline's website several weeks ahead of departure, since requirements vary significantly by country. Choosing the right carrier itself ties into the criteria covered in our guide to cat carriers: stress-free travel, also useful for shorter car trips.

How should you prepare your cat on the day of the flight?

Avoid a large meal in the hours before departure to limit nausea, but leave water available until the last moment. Get the cat used to the carrier several days beforehand by leaving it open at home, a step that also ties into the principles covered for any car journey in our guide to securing a cat carrier in the car. Find all our comparisons in the cat travel and safety category.

Frequently asked questions

Is a sedative recommended for the flight?

No, most vets advise against sedation for flying, as it can affect breathing in a pressurised cabin; discuss calming natural options instead with your vet if needed.

Can the cat come out of the carrier during the flight?

No, the carrier must stay closed under the seat for the entire flight, for the safety of the cat and other passengers, unless cabin crew say otherwise.

Should you book a direct flight if possible?

Yes, a direct flight limits the stress of changing planes and reduces the total time spent in the carrier, an important factor for the cat's comfort.

This guide is part of Planète Pets’s Cats universe. Our advice is general in nature: for any health concern, your veterinarian remains the only reference.

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