Spirit Airlines Pet Policy: Your Complete Guide to Flying with Pets

Planning a trip with your furry or feathered friend requires understanding the specific rules of your chosen airline. Spirit Airlines offers a budget-friendly and accessible option for travelers wanting to bring small animals into the aircraft cabin. However, strict adherence to carrier sizes, weight limits, and destination rules is mandatory to guarantee a smooth boarding process.

What types of pets are allowed on Spirit Airlines?

Spirit Airlines permits small domestic dogs, domestic cats, household birds, and domestic rabbits to fly in the aircraft cabin. All pets must be at least eight weeks old and fully weaned. Exotic animals, rodents, and poultry are strictly prohibited from boarding any Spirit flight.

Spirit Airlines restricts certain animals based on the flight route. While dogs and cats can fly to all domestic destinations, including Puerto Rico and the U.S. Virgin Islands (U.S.V.I.), birds and rabbits are entirely banned on flights traveling to or from Puerto Rico and the U.S.V.I.

To ensure compliance, review this quick breakdown of eligible pets:

• Permitted everywhere domestically: Domestic dogs and domestic cats.
• Permitted on mainland flights only: Small household birds (finches, canaries, parakeets) and domestic rabbits.
• Strictly prohibited: Snakes, spiders, rodents (hamsters, guinea pigs), ferrets, birds of prey, and farm poultry.

What are the Spirit Airlines pet carrier dimensions and weight limits?

The maximum Spirit Airlines pet carrier dimensions are 18″ L x 14″ W x 9″ H (45.72 cm x 35.56 cm x 22.86 cm). The combined weight of your pet and the carrier cannot exceed 40 pounds (18.14 kg). Only soft-sided carriers are permitted onboard.

A common question travelers ask is, “How strict is Spirit pet carrier policy?” Spirit Airlines is extremely strict regarding carrier dimensions. Your soft-sided carrier must slide completely under the seat in front of you. If the carrier is too large or rigid, the gate agent will deny boarding.

Your pet must also have enough room to stand upright, turn around, and lie down comfortably while fully enclosed. You can carry up to two pets of the same species in a single carrier, provided they meet the size and 40-pound combined weight limits.

Spirit Airlines Pet Carrier Rules

How much does Spirit charge for a pet?

The standard Spirit pet policy fee is $125 each way, per carrier. This fee is non-refundable and must be paid during the booking process or at the airport ticket counter. Spirit Airlines does not charge per animal; the fee applies per carrier.

Understanding the cost breakdown helps you accurately budget your travel. The Spirit pet policy fee applies to all standard pets flying in the cabin. Service dogs, however, fly for free.

If you bring two small dogs in one approved carrier, you will only pay a single $125 fee each way. Remember that Spirit Airlines only allows a maximum of six pet carriers per flight, so reserving your pet’s spot early is critical.

Cost Breakdown Example

How do I add a pet to my Spirit flight?

You cannot add a pet to your Spirit flight online during the initial checkout. To add a pet, you must call the Spirit Airlines Reservations Center directly at 855-728-3555 after booking your own ticket, or manage your reservation online through the special assistance portal.

Because Spirit limits flights to just six pet carriers, you should call customer service immediately after receiving your confirmation number.

When you arrive at the airport, you cannot use self-service kiosks or curbside check-in. You must visit the main Spirit Airlines ticket counter so an agent can visually inspect your pet, weigh the carrier, and verify the $125 payment.

Does Spirit Airlines allow pets on international flights or in cargo?

No, the Spirit Airlines pet policy international rules strictly prohibit pets from flying on international routes. Additionally, Spirit airlines pet cargo transport is not offered; live animals are never allowed in the baggage or cargo compartments under any circumstances.

If you are traveling outside the United States, Puerto Rico, or the U.S.V.I., you must choose a different airline. The only exception to the international travel ban applies to fully trained service dogs meeting government requirements.

What documents do I need to FLY with a pet?

For flights within the continental United States, Spirit Airlines does not require a veterinary health certificate for pets. However, if you are flying to the U.S. Virgin Islands, a health certificate is mandatory. For flights to Puerto Rico, a rabies vaccination certificate is highly recommended.

Always check local state or territory import laws before your departure date, as local government requirements override airline policies. Service dogs require the standard U.S. Department of Transportation (DOT) Service Animal Air Transportation Form.

What is the policy for service animals and emotional support animals?

Spirit Airlines accepts fully trained service dogs in the cabin for free. Passengers must submit the DOT Service Animal form 48 hours before the flight. Emotional Support Animals (ESAs) are no longer recognized as service animals and must travel under the standard, fee-based pet policy.

Service dogs do not need to stay in a carrier, nor do they have a weight limit, but they must fit within the footprint of the handler’s seat. If your service dog is too large for your foot space, you may need to purchase an additional seat.

Frequently Asked Questions

Can my 50 pound dog fly in cabin with me?

No, a 50-pound dog cannot fly in the cabin on Spirit Airlines. The strict Spirit pet policy enforces a maximum combined weight limit of 40 pounds for both the pet and the carrier.

Can I buy my 50 lb dog a seat on a plane?

No, you cannot buy a seat for a 50-pound dog on Spirit Airlines. Pets are strictly forbidden from occupying passenger seats and must remain inside an approved carrier underneath the seat in front of you for the entire flight.

Can I buy my dog a seat on Spirit?

No, Spirit Airlines does not allow passengers to purchase an extra seat for a pet. All pets must stay in their soft-sided carrier tucked under the seat. Only passengers with large service dogs may purchase an extra seat for additional floor space.

How much is a Spirit pet?

The Spirit pet policy fee is $125 each way per pet carrier. If you are flying round-trip, the total cost for bringing your pet will be $250.

How strict is Spirit pet carrier policy?

Spirit Airlines is incredibly strict regarding pet carrier dimensions. If your carrier exceeds 18″ x 14″ x 9″, or if the combined weight of the pet and carrier surpasses 40 pounds, you will be denied boarding at the ticket counter.

Does Spirit allow emotional support animals to fly for free?

No. Following the 2021 DOT regulation changes, Spirit Airlines treats Emotional Support Animals (ESAs) as standard pets. They must meet all carrier size restrictions and require the $125 pet fee.

What happens if my pet carrier is slightly over 40 pounds?

If the combined weight of your pet and carrier exceeds 40 pounds during the mandatory ticket counter weigh-in, Spirit Airlines will refuse to let the pet board the aircraft.

Can I bring my pet on a flight to Mexico or Canada?

No. The Spirit Airlines pet policy international guidelines prohibit all standard pets from flying on international routes. Only recognized service dogs with proper documentation are permitted on international flights.

Do I need a health certificate for a domestic Spirit flight?

If you are flying within the continental United States, Spirit Airlines does not require a health certificate. However, flights arriving in the U.S. Virgin Islands strictly require veterinary health documentation.