Dog Flight Guide
Allegiant Air

North America

Flying with a dog on Allegiant Air G4

Cabin only Score: 93

Here is the Allegiant Air pet policy for dogs, checked against the airline's own pages in October 2026. Below: what applies in the cabin and in the hold, the breed rules for your dog, and what to sort out before you fly.

Allegiant Air dog policy at a glance

In the cabin

No weight limit

Allowed
Max weight No limit your dog must fit in the carrier
Carrier Hard 43.1 × 27.9 × 26.6 cm 17 × 11 × 10.5 in Soft 45.7 × 30.4 × 27.9 cm 18 × 12 × 11 in
Dogs per carrier Up to 2 conditions apply, see the summary below
Fee $50 per flight$50.00 each way (per segment per carrier)
How it travels Under the seat in front with you
10 carriers fit by their dimensions

In the hold

Not available

Allegiant Air doesn't carry dogs in the hold.

Allegiant Air pet carrier size: dog carriers that fit

We checked every carrier in our comparison against the limits of Allegiant Air, size by size. Shown are the ones that fit by their dimensions, most mentioned first. At the gate, Allegiant Air decides.

Breed rules

None stated

Snub-nosed

Cabin, with you
Allowed

Strong breeds

Cabin, with you
Allowed

Only domestic dogs and cats are accepted in the cabin; no specific breed restrictions stated.

Assistance dogs

Allowed

Summary

general

Only domestic dogs and cats travel in the cabin, within the contiguous 48 United States; cargo transport is not offered. No weight limit is stated, but the pet must fit comfortably in a soft-sided carrier up to 18x12x11 in or a hard-sided carrier up to 17x11x10.5 in, with up to 2 pets per carrier. A non-refundable fee of $50.00 per segment per carrier applies, and animals must be at least 8 weeks old.

cabin

Soft-sided or hard-sided enclosed leak-proof carriers allowed; soft-sided strongly suggested. Carrier counts as one of the 2 permitted carry-on items and must fit under the seat. No more than 2 pets per carrier; all animals must be at least 8 weeks of age.

hold

Allegiant does not transport animals in the cargo bin.

Before you fly

  • Check which vaccinations and health documents your route requires, and keep them with you.
  • Reserve your dog's spot early, as places per flight are limited.
  • Check the entry rules of your destination country.
  • Get your dog used to the carrier or kennel well before the trip.

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.

Visit Allegiant Air

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Flying with a dog on Allegiant Air: FAQ

What is the Allegiant Air pet policy for dogs? ▾

Allegiant Air allows small dogs in the cabin. No breed restrictions are listed, and the Dog-Friendly Score is 93/100. Checked against the official policy in October 2026.

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? ▾

On Allegiant Air, the in-cabin fee is $50 (per flight); the airline states: $50.00 each way (per segment per carrier). Fees change, 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: 5 October 2026