Okay, listen up, because British Airways surprised me on this one. Dogs do not fly in the cabin here, full stop. That means your pup rides as cargo or in the hold, and yes, that changes how you pack, how you crate, and how early you show up. Nala has opinions about layovers, so we do our homework first. Here is everything worth knowing before you book.

British Airways's pet policy splits into cabin and cargo. This page summarizes the weight limits, fees, brachycephalic-breed restrictions, and carrier specifications for both modes — sourced from the airline's official pet pages.

How British Airways handles your pet

Each fact comes straight from the operator’s published policy. Tap the to read the exact wording; the opens the source page.

In the cabin Not accepted
In the hold / cargo Accepted
Snub-nosed breedsCase-by-case

Cabin policy

Pets accepted Not acceptedverified 2026-08-15

Hold & cargo policy

Hold: Pets accepted Acceptedverified 2026-08-14
Hold: Crate must have/bea carrierverified 2026-07-15
Cargo: Pets accepted Acceptedverified 2026-08-14
Cargo: Advance booking required Yesverified 2026-10-21
Cargo: Crate must have/behard-sided ok, water bowl, ventilated, IATA-compliant, a carrierverified 2026-10-21

Health & documents

Health certificate required Yesverified 2026-08-20

Service & assistance animals

Fee waived Yesverified 2026-10-21
Recognized Yesverified 2026-08-13
Cabin allowed Yesverified 2026-10-21
Esa recognized Noverified 2026-07-15
Forms required Yesverified 2026-07-15
Breed restrictionssnub nosedverified 2026-08-25
Advance notice hours72 hoursverified 2026-08-25
Documentation required Yesverified 2026-07-15
Recognized organizations
  • Assistance Dogs International
  • International Guide Dog Federation
verified 2026-08-27

Exceptions to the standard rules

Cases where the rules differ from the ones above.

  • Trained service dog — British Airways policy source

    No fee for Assistance Dogs UK (ADUK) accredited dogs — accepted free in cabin

    Assistance dogs travel at handler's feet, no carrier required

    Breed restrictions typically do not apply to ADUK-accredited assistance dogs

    No size/weight limit for ADUK-accredited assistance dogs in cabin

  • Emotional support animal — treated as regular pet by British Airways source

    ESA letters are not accepted. Only ADUK-accredited assistance dogs are accommodated. Your pet travels under standard pet policy.

British Airways sets a firm container standard for cargo. Snub-nosed dogs and cats require a crate 10% larger than the standard minimum. Measure the dog standing, then add that 10% buffer before buying. Confirm the exact internal dimensions with the airline. Book the larger crate early, because upsizing at the airport counter is not an option once check-in begins.
The 10% larger container rule applies specifically to snub-nosed dogs and cats traveling cargo with British Airways. Verify whether the breed counts as snub-nosed before selecting a crate. Order the oversized container ahead of departure. Bring the crate to the vet check to confirm the dog turns freely, stands fully, and lies down inside the larger dimensions.
So here is the deal: British Airways means crate travel, and that reward the folks who prep ahead. Sam and I always map the crate size, the check-in timing, and the paperwork before we book a single flight. Do not wing it. Build your personalized plan with Pawgo's plan-builder, punch in your route and your dog, and get the exact checklist for your trip. Then go have the adventure.
Get YOUR personalized plan for British Airways →

Glossary

ISO chip
ISO 11784/11785 — the universal microchip standard.
FAVN
Fluorescent Antibody Virus Neutralization — a rabies serology test required by rabies-free destinations.
Brachycephalic
Snub-nosed breeds (French Bulldogs, Pugs, Persians, Himalayans) with restricted airline acceptance due to heat-stress risk.
AVIH
Animal Vehicle In Hold — IATA's term for cargo pet shipment, with fees that vary by carrier and route.