2026-10-14 · one-way · 1 adult + dog in cabin
Your dog needs a tapeworm tablet from a vet no less than 24 hours and no more than 5 days (120 hours) before you land. Count back from your arrival time, not your departure. That means a vet appointment where you are now, two or three days before the flight, and the vet writes the product, the date and the exact time into the passport or certificate. Ireland, Northern Ireland, Malta, Finland and Norway are the only places in Europe that ask for this, and Great Britain asks on the way back in. Nowhere else does. Miss the window and the dog is refused.
Government source, read 2026-09-10. Check the official page
We didn’t find any of our verified pet-friendly carriers flying BRU → DUB non-stop. There are one-stop options below where both legs take a dog in the cabin.
Every airline below takes a dog in the cabin on that leg, and each leg has been checked against the same country rules as a direct flight. Two legs means two check-ins and a dog who has to cope with the change, so it’s the fallback, not the first choice. If you leave the airside area at the stop, that country’s entry rules apply to your dog too.
KLM Royal Dutch Airlines flies both legs, so your dog goes on a single booking. Add the pet when you book and check there’s cabin space on both flights.
Note: No pets in cabin in Premium Comfort or Business on an intercontinental route · Book at least 48 hours before departure, and acceptance is not guaranteed
Two airlines, so two separate bookings. Brussels Airlines to CDG, then Air France on to DUB. Add your dog to each one, and confirm the cabin spots on the second leg before you pay for the first.
Any two airports, or a whole city. Pick “All UK airports” to search every airport in Britain at once.
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