Care 29/09/2026 15:54 · 5 reads

Travelling with your dog in the car and on public transport

Car, train, bus and plane: the paperwork, the carrier and the stops that make the journey safe for the dog.

Travelling with your dog in the car and on public transport

Travelling with a dog is not complicated, but it does need preparation: the right carrier, the paperwork in order and stops planned by the dog's needs, not by the satnav. Car, train, bus and plane follow different rules.

Quick facts: travelling

Car Harness or carrier
Stops Every 2-3 h
Train Usually up to 10 kg free
Microchip Required
Rabies vaccine At least 21 days before
Food Light meal 3-4 h before

In the car

  • Never loose in the cabin and never in the boot without a grille: in hard braking, an unrestrained dog becomes a projectile.
  • Carrier or harness anchored to the seat belt, on the back seat or in the boot with the grille.
  • A light meal three or four hours before leaving and nothing during the trip; water in small amounts.
  • A stop every two or three hours to walk, drink and relieve itself, always on the lead.
  • Never leave it alone in the car in the sun: the inside temperature rises 10 °C in ten minutes and can kill it.

On the train, bus and metro

Spain and most of Europe allow small dogs —usually under 10 kg— in a carrier or bag with a maximum size, sometimes with a supplement or a limit per traveller. Larger dogs depend on each company: check before buying the ticket, and give it a light sedative only if the vet prescribes it.

Carrier for travelling with a pet
The carrier should be its normal bed for a few weeks before the trip: what is familiar is not frightening.

On a plane

Small dogs travel in the cabin in a carrier that fits under the seat, with a limited weight; larger ones go in the hold, in a certified crate, with an earlier check-in. Almost no airline admits flat-faced breeds in the hold, because of their breathing. Book the pet when you buy the ticket: places are limited.

Paperwork to check before leaving

Microchip, valid rabies vaccine (given at least 21 days before travelling) and, to leave the country, a pet passport or health certificate. Some destinations also require deworming a few days before or a rabies antibody test. Check the rules of the country you are going to, not the ones of the country you are leaving.

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Frequently asked questions

Can my dog travel in the cabin?

It depends on the airline: most allow up to 6-8 kg in a carrier that fits under the seat, always with a booking. Flat-faced breeds are often not admitted in the hold.

What paperwork do I need to cross a border?

Microchip, rabies vaccine given at least 21 days before (some countries ask for three months) and a pet passport or health certificate. Check the destination's rules before booking.

Is it better to sedate the dog to travel?

Not as a rule. A light sedative is only justified if the vet prescribes it, because it can worsen breathing problems and does not reduce fear by itself.

travelling with a dog dog in the car pet transport
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