Quick answer: Breeze carries small domesticated cats and dogs in the cabin, one per passenger, in a soft-sided ventilated carrier that fits under the seat in front of you. The per-flight cap is low — commonly reported at around five animals, allocated first come, first served — which makes booking early matter more here than on a larger airline. A health certificate issued by a vet within 10 days of travel is typically required, which is unusual for a domestic US flight and the thing most often missed. Call a travel expert at Fond Travels on +1 (323) 800 6001 and we will check your animal and your route.
Details reflect what was published at the time of writing, and third-party sources for this airline conflict more than most on carrier dimensions and charges. Confirm the figures directly before you buy a carrier.
The limits
- Species: small domesticated cats and dogs only.
- One pet per passenger.
- Weight: reported at around 25 lb for the animal and carrier combined.
- Carrier: soft-sided, ventilated, fitting comfortably under the seat in front of you. Reported dimensions differ between sources, so take them from the airline.
- Age: at least 8 weeks.
Weigh the animal inside the carrier at home. A combined limit always sounds more generous than it is once a sturdy carrier is included.
The health certificate, which catches people out
Most US domestic flights do not ask for veterinary paperwork at all. Here a health certificate issued by a licensed vet within 10 days of travel is typically required — and 10 days is a short window that has to be planned around.
- Book the vet appointment before you book the flight, or at least check your practice can see you inside the window.
- Ten days covers the outbound, not necessarily the return. On a longer trip, check whether a second certificate is needed and where you would get one.
- Carry the original and keep a photograph of it on your phone.
- Check vaccinations are current at the same appointment, since an out-of-date rabies shot is the usual reason a certificate cannot be issued on the day.
First come, first served — and only five places
A cap of around five animals per flight is low, and it is allocated in booking order rather than held back.
What that means practically:
- Add the pet at the moment you book the flight, not later. A day's delay can be the difference.
- There is no hold alternative. A full flight means a different flight, not a different compartment.
- If your dates are fixed, book early rather than waiting for a better fare. The pet space is the scarce thing, not the seat.
- On a return trip, confirm both directions are allocated rather than assuming the outbound booking covers it.



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