Traveling with a pet
From paperwork to travel day, at home or abroad: what to do, in order, to travel with your dog or cat.
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Time: 1 to 6 months ahead
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As soon as you plan the trip
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Rules differ a lot and can change at any time: APHIS tells US travelers to check them every time they travel.
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The AVMA says interstate or international travel can need preparations that start six months or more in advance.
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Ask about flea, tick and heartworm prevention too.
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For the EU, the chip must be read before the rabies shot, or the shot doesn’t count.
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For the EU and the UK, it’s given at 12 weeks or older, and after a first shot you wait at least 21 days to travel.
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In the EU and Great Britain, more than 5 no longer counts as pet travel, unless you’re going to a competition, show or sporting event.
Into the US, or between states
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Every dog must be at least 6 months old, microchipped and healthy, with a CDC Dog Import Form receipt; more is required after high-risk countries.
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It’s free and each dog needs its own. The receipt is valid for 6 months, unless the dog visits a high-risk country.
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APHIS says each state sets its own, such as a health certificate, vaccines, tests or treatments.
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They have their own quarantine rules, even from the mainland. In Hawaii, pets that miss the 5-day-or-less program can be quarantined up to 120 days.
Crossing borders
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They check the destination’s rules and prepare the health certificate, which the USDA usually has to endorse.
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It must be issued no more than 10 days before you arrive; then it covers up to 6 months of travel in the EU.
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The EU does for pets from countries not on its list; the US and the UK are on it. The sample is taken at least 30 days after the shot.
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It’s valid for 10 days to enter the EU, then for 6 months of travel in the EU and to come back to Great Britain.
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From the EU, an EU pet passport or an animal health certificate. Dogs need tapeworm treatment 1 to 5 days before arrival, except from Finland, Ireland, Malta, Norway or Northern Ireland.
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A vet gives it between 24 and 120 hours before you arrive and records it on the pet’s document.
Choosing how to travel
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Carriers, cabin space, breeds, weather limits and fees vary from airline to airline.
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The AVMA suggests nonstop flights, and avoiding layovers and busy holidays.
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They’re more at risk of overheating and breathing problems, especially in the air.
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A familiar toy or blanket inside helps it feel at home.
The week before
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The AVMA warns not to count on getting refills while you travel.
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A travel tag with where you’re staying helps too.
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It helps if you get separated.
Travel day
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They can raise the risk of heart and breathing problems, and airlines generally don’t allow them.
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Airbags can hurt a dog. The AVMA also advises against letting dogs ride with their head out of the window.
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The inside can heat up by about 20°F in 10 minutes.
After the trip
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The CDC advises checking pets for ticks every day after time outdoors.
Bon voyage
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Good to know
- Pet travel rules change often and differ by country: always check the official site of each country you’ll enter. The EU switched to new rules on April 22, 2026, and new EU certificates for pets from the US apply from October 1, 2026.
- US rules for dogs apply to every dog entering the country, including dogs that live in the US and are coming home from a trip.
- Vaccines, medications and whether your pet should travel at all are decisions for your vet: this list just helps you remember everything.
Frequently asked questions
How far ahead should I start?
As early as you can. For interstate or international travel, the AVMA says preparations may need to start six months or more in advance, and some places require a rabies blood test or a quarantine.
Do the same rules apply to cats?
Often, but not always. In the EU, microchip, rabies vaccine and a passport or certificate apply to dogs, cats and ferrets, while tapeworm treatment is for dogs only. The CDC’s dog rules don’t apply to cats, but US states and some countries have their own.
Can my dog fly in the cabin?
It depends on the airline: each one sets its own rules for carriers, cabin space, breeds and fees. Check before you book, and get your pet used to the carrier.
Next step
I’m not a vet. This is general information only. For anything about your pet, always ask your own veterinarian.
- The checklistThe pet care calendar
- The checklistNew puppy: the first 30 days
- The short guideYour first month with a puppy
- The routeA dog or cat at home
Sources
- CDC — Entry requirements for dogs from dog-rabies-free or low-risk countries
- CDC — Bringing a dog into the U.S.
- CDC — Bringing an animal into the U.S. (cats, Hawaii and Guam)
- USDA APHIS — Travel with a pet
- USDA APHIS — Take a pet from the United States to another country
- USDA APHIS — Take a pet from one U.S. state or territory to another
- Hawaii Department of Agriculture — Animal quarantine information
- European Commission — Bringing a pet into the EU from a non-EU country
- European Commission — Travelling with a pet within the EU
- EUR-Lex — Delegated Regulation (EU) 2026/131 on non-commercial pet movements
- GOV.UK — Bringing your pet dog, cat or ferret to Great Britain
- GOV.UK — Taking your pet dog, cat or ferret abroad
- AVMA — Traveling with your dog or cat
- AVMA — Pet safety in vehicles
- CDC — Preventing ticks on pets
For vaccines, medications and travel paperwork, your vet is the person to ask; for a country’s entry rules, its official animal health authority.