The short answer
KLM accepts dogs and cats in the cabin, up to 8 kg including the carrier, in a soft bag of about 46 × 28 × 24 cm. Cats are accepted on the same terms. The cabin option applies on long-haul routes too. The fee starts around €160.
KLM offers in-cabin travel for small pets and hold transport for larger ones, using IATA-compliant crates. Its policy and pricing largely mirror partner Air France.
Carrier and crate
Breed and temperature
Snub-nosed breeds face restrictions — expect extra conditions or seasonal embargoes.
Booking the pet slot
Request the pet slot through KLM Customer Contact at least 48 hours before departure; only a few animals are accepted per cabin and per flight.
Routes flown by KLM
Frequently asked questions
Does KLM allow pets in the cabin?
KLM accepts dogs and cats in the cabin, up to 8 kg including the carrier, in a soft bag of about 46 × 28 × 24 cm. Cats are accepted on the same terms. The cabin option applies on long-haul routes too. The fee starts around €160.
How heavy can a pet be to fly in the KLM cabin?
Up to 8 kg including the carrier. Above that your pet travels in the hold or as manifest cargo.
What size carrier does KLM allow in the cabin?
Roughly 46 × 28 × 24 cm, measured at the widest points. Soft carriers are expected so the bag can compress under the seat.
How much does KLM charge for a pet?
From about €160 each way, varying by route and cabin.
Comparing carriers for a route?
Airline pet rules stack on top of the destination rules. Check both before you book.