Yes, you can travel with your pet on Allegiant Airlines if your pet satisfies the airline's criteria for carrying pets in the cabin. Allegiant allows eligible dogs and cats to travel in the aircraft cabin on domestic flights. These pets must remain inside an approved carrier during the applicable parts of the trip. Allegiant Airlines does not accept any ordinary household pets in the aircraft cargo hold.
Check Allegiant's current pet rules before booking because requirements apply to the type of animal, carrier, seating, baggage, and applicable pet fee.
This article provides information covering Allegiant airlines pet policy for domestic flights, pet fee, carrier dimensions, weight limit question, and addition of pets on Allegiant flights.
Can I Bring My Dog on Allegiant Air?
Yes, Allegiant permits dogs in the passenger cabin provided that the dog satisfies the airline’s pet requirements.
Key requirements include:
- The only types of animals accepted as cabin animals are domestic dogs and cats.
- The dog must be at least 8 weeks old.
- The pet must travel inside an approved carrier.
- Your pet carrier has to be put under the seat in front of yours.
- Pets cannot be placed on an aircraft seat.
- Pets must remain completely inside the carrier.
- The animal should be fit and healthy and not aggressive or dangerous or disruptive.
- Allegiant does not accept any regular pets in the cargo compartment.
What Are the Allegiant Pet Rules for Dogs?
Important Allegiant animal cabin transport requirements.
| Requirement | Pet regulation |
|---|---|
| Acceptable pets | Dogs and cats |
| Min. age | 8 weeks |
| Pet travel location | Passenger cabin |
| Cargo transportation | Not allowed for pets |
| Pet carrier | Required |
| Soft carrier | Recommended |
| Hard carrier | Allowed |
| Pet fee | $50 one-way |
| Pet carrier location | Under the passenger's seat |
| Exit-row seats | Not allowed |
| Bulkhead seats | Not allowed |
What Is Allegiant Air's Pet Policy for Domestic Flights?
Allegiant allows eligible dogs and cats to travel in the cabin on flights within the 48 contiguous United States, subject to its pet requirements.
The policy requires:
- A qualifying dog or cat.
- A compliant carrier.
- Payment of the applicable pet fee.
- The animal remains enclosed in its carrier.
- Compliance with seating restrictions.
- The passenger accepts responsibility for the pet’s behavior.
Under Allegiant Air's domestic pet policy, carriers must fit comfortably under the seat in front of you.
| Policy Area | Allegiant Air Domestic Travel Guidelines |
|---|---|
| Eligible Routes | Flights within the 48 contiguous United States, San Juan, and Puerto Rico |
| Allowed Animals | Domesticated dogs and cats only (minimum age of 8 weeks) |
| Pet Fee | $50 USD per flight segment (non-refundable) |
| Max Carrier Size | Soft-sided: 18" L x 12" W x 11" H Hard-sided: 17" L x 11" W x 10.5" H |
| Carrier Limits | 1 carrier per passenger; up to 2 pets of the same species per carrier |
| Seating Restrictions | Passengers with pets cannot sit in Exit Rows, Bulkhead Seats, or Aisle Seats |
| Baggage Allowance | A pet carrier counts as 1 item (Allowance: Pet carrier + 1 Personal Item OR 1 Paid Carry-On) |
| Cargo Transport | Not Allowed (Allegiant does not transport pets in cargo) |
| Health Certificates | Not required for domestic flights within the contiguous U.S. |
How Much Is the Allegiant Pet Fee?
Allegiant charges a $50 pet fee per carrier, each way.
For example:
| Trip | Pet fee |
|---|---|
| One-way flight | $50 |
| Round trip | $100 |
| Two one-way segments | $100 total |
| Three one-way segments | $150 total |
The fee is non-refundable according to Allegiant’s published pet-in-cabin rules.
The Allegiant air pet fee is separate from applicable airfare and other optional services.
Is There an Allegiant Pet Policy Weight Limit?
Many travelers want to know whether Allegiant has a maximum weight for cabin pets. Published pet policies of Allegiant Air do not have any information regarding the maximum weight of the dog in pounds.
The dog should:
- Be able to sit comfortably in the closed carrier.
- Remain completely inside the carrier.
- Be transported under the seat.
- Not create a safety or space problem.
- Be able to travel without disruptive behavior.
Can My Dog Sit on the Seat With Me?
No, The carrier is to be placed under your seat right in front of you. It is thus vital to choose a pet carrier that conforms to the size requirements by Allegiant.
Passengers traveling with pets also cannot sit in:
- Exit rows.
- Bulkhead seats.
Moreover, Allegiant forbids placing pet carriers in aisle seats on Boeing airplanes because of the size of the foot space. If necessary, Allegiant may reseat the passenger.
Can I carry my pet carrier and a carry-on?
Allegiant airlines pet policy say you are only allowed to bring two things. A passenger traveling with a pet carrier may bring:
- A pet carrier + personal item, or
- A pet carrier + paid carry-on.
Passengers cannot bring all three items as cabin baggage. If an additional item needs to travel, it must be checked and applicable baggage charges can apply.
How Do I Add a Pet to an Allegiant Flight?
Knowing how to add pets to Allegiant flight can help you avoid problems at the airport.
A practical approach is:
- Book or manage your Allegiant reservation.
- Look for the pet-in-cabin option when available for your itinerary.
- Add the pet service to the reservation.
- Pay the applicable pet fee.
- Confirm that your carrier meets Allegiant dimensions.
- Review your assigned seat and make sure it is not an exit-row or bulkhead seat.
- Prepare the dog for carrier travel before departure.
- Keep the pet inside the carrier at the airport and during boarding.
Allegiant's current travel information directs passengers to its pet and service-animal guidance.
Pack essential dog travel accessories and prepare your pet well before arriving at the airport.
What Should I Pack for My Dog on an Allegiant Flight?
Here is a list that can guide you on how to pack for your trip.
Consider bringing:
- Approved pet carrier.
- Small supply of familiar food.
- Collapsible water bowl.
- Absorbent pads.
- Leash and harness.
- Waste bags.
- Basic cleaning supplies.
Keep the dog inside the carrier whenever Allegiant requires it.
Can a Dog Be Denied Boarding on Allegiant?
Allegiant can decline to transport a pet that poses a danger because of his/her health, behavior or condition.
Examples include:
- Aggressive behavior.
- Biting or attempting to bite.
- Excessive barking.
- Jumping on passengers.
- Running around.
- Uncontrolled or disruptive behavior.
- Appearing ill or distressed.
How to Prepare Your Pet for an Allegiant Airline Flight?
A little preparation can make the trip much easier.
Try these steps:
- Introduce your dog to the carrier well before the trip.
- Let the dog spend short periods inside the carrier at home.
- Practice carrying the dog in the closed carrier.
- Take your dog on a few short car rides if it is not familiar with enclosed transportation.
- Never make the first experience with a carrier at the airport.
- Check the carrier dimensions before leaving home.
- Recheck your seat assignment before departure.
What Should You Know Before Flying With Your Dog on Allegiant?
When you are getting ready for the flight with Allegiant Airline, consider the following issues:
- The pet must have all the required features to fly as the domestic pet.
- Make sure the dog is at least 8 weeks old.
- It is important to use a carrier that satisfies the size requirements.
- Budget $50 each way for the pet fee unless an applicable exception applies.
- Make sure that your seat is not an exit or bulkhead seat.
- Check destination-specific animal requirements.
- Prepare your dog for remaining inside the carrier.
- Confirm the latest rules with Allegiant before departure.
FAQs
How much is the Allegiant pet fee for a round trip?
Does Allegiant allow dogs in the cabin?
Does Allegiant allow pets in cargo?
Can my dog leave the carrier during the Allegiant flight?
Conclusion
Before you go, review Allegiant’s most current pet policies and the entry requirements for animals at your destination. If your pet cannot be comfortably carried in an approved under-seat carrier, then do not expect from Allegiant to transport the pet as checked or cargo baggage.
Written by Sarah Jenkins
Flight Deals & Travel Policy Analyst
Former airline yield management consultant turned travel writer. Sarah unpacks fare algorithms to help travelers save money.

