Dog Flight Guide
Allegiant Air

North America

Flying with a dog on Allegiant Air G4

Cabin only Score: 80

Thinking about flying with your dog on Allegiant Air? Allegiant Air allows small dogs in the cabin. Below you'll find the full details before you book: weight limits, fees, breed restrictions, and the official rules.

Allegiant Air dog policy at a glance

🐾  Pet Travel

In-Cabin No weight limit
Cargo / Checked Not available
Cabin Fee $50.00 each way (per segment per carrier)
Cargo Fee

Notes

Domestic dogs and cats travel in the cabin only within the contiguous 48 U.S. states; Allegiant does not transport animals in the cargo bin. Pets must fit in a carrier stowed under the seat, with soft-sided carriers up to 18x12x11 inches and hard-sided up to 17x11x10.5 inches. There is no stated weight limit, but a non-refundable fee of $50.00 each way per carrier applies. A health certificate is not required.

🦮  Assistance Dogs Allowed

Before you fly

  • Up-to-date vaccinations and a valid health certificate are required.
  • Dog + soft carrier must fit under the seat in front of you.
  • Reserve your dog's spot early, as places per flight are limited.

Always double-check

Airline pet policies change often and vary by route, aircraft and season. Confirm the current rules directly with Allegiant Air before booking.

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Flying with a dog on Allegiant Air: FAQ

Can I bring my dog in the cabin on Allegiant Air?

Yes. Allegiant Air allows small dogs in the cabin in an approved carrier that fits under the seat in front of you.

Can my dog travel in cargo on Allegiant Air?

No. Allegiant Air does not offer hold or cargo transport for dogs.

How much does it cost to fly a dog on Allegiant Air?

Allegiant Air's in-cabin fee is around $50.00 each way (per segment per carrier). Fees vary by route, so confirm the exact amount when you book.

Are there breed restrictions on Allegiant Air?

Allegiant Air does not list specific breed restrictions, but it is worth confirming for your dog's breed before you book.

Does Allegiant Air accept assistance dogs?

Yes. Trained assistance dogs are accepted in the cabin, usually free of charge, with the required documentation. Contact Allegiant Air in advance.

Last verified: 17 August 2026