Cats are less common flyers than dogs, but millions travel by air every year. The rules are mostly the same, but cats have unique challenges — they're more stress-prone, harder to crate-train, and some breeds face airline restrictions. Here's everything you need to know.
Cabin vs. Cargo for Cats
The good news: most cats are small enough to fly in cabin. A typical domestic cat weighs 3–5 kg, well under the 8–10 kg cabin limit (pet + carrier) for most airlines.
- Cabin: Cat stays in a carrier under the seat. This is strongly recommended — you can monitor your cat and they're in a climate-controlled environment.
- Cargo: Only necessary for very large cats or if the airline doesn't allow cats in cabin. Some airlines (like British Airways) only allow pets in cargo.
Check your airline's cat policy.
Choosing the Right Carrier
- Soft-sided carriers are usually best for cabin — they're flexible and fit better under seats
- Must have adequate ventilation (mesh panels on at least 2 sides)
- Must be large enough for your cat to stand, turn around, and lie down
- Line the bottom with an absorbent pad — accidents happen with nervous cats
- Tip: Leave the carrier open at home for weeks before the flight with treats and a familiar blanket inside
Required Documents for Cats
The same documents required for dogs apply to cats:
- Microchip (ISO 15-digit, implanted before vaccination)
- Rabies vaccination (21–30 day waiting period for most countries)
- Health certificate (within 10 days of travel, government endorsed for international)
- Titer test (for Japan, Australia, etc.)
One difference: cats traveling to the UK also need tapeworm treatment 1–5 days before arrival.
Check your destination's requirements for cats.
Brachycephalic Cat Breeds
Flat-faced cat breeds face the same airline restrictions as snub-nosed dogs:
- Restricted breeds: Persian, Himalayan, Exotic Shorthair, British Shorthair, Scottish Fold, Burmese
- Most airlines ban these breeds from cargo but may allow them in cabin
- Higher risk of respiratory distress during flight
Read our full brachycephalic breed guide.
Managing Cat Anxiety During Flight
- Don't sedate your cat. Sedation affects balance and body temperature regulation at altitude. Most airlines and vets advise against it.
- Feliway spray: Spray the carrier with Feliway (synthetic feline pheromone) 30 minutes before putting your cat in. It reduces stress significantly.
- Familiar scent: Put a worn t-shirt or your cat's favorite blanket in the carrier.
- Don't open the carrier during the flight, no matter how much your cat protests. An escaped cat in a plane cabin is a nightmare scenario.
- Cover the carrier with a light cloth to reduce visual stimulation.
At the Airport
- At security, you'll need to take your cat out of the carrier and carry them through the metal detector while the carrier goes through X-ray.
- Tip: Bring a harness and leash as backup — if your cat bolts, a harness is your safety net.
- Keep your cat in the carrier at all times except at security.
- Offer water during layovers but skip food — it reduces the chance of nausea and accidents.