Frontier airlines change flight is only allows small pets in the cabin. This includes dogs, cats, rabbits, guinea pigs, hamsters, and small household birds. Larger pets or exotic animals are not permitted in the cabin and must be transported via Frontier's cargo service.
Pet Carrier Requirements: Your pet must be transported in an airline-approved pet carrier that fits under the seat in front of you. The carrier should be well-ventilated, leak-proof, and secure. It must also comply with the dimensions specified by Frontier Airlines.
Reservations and Fees: It is important to make a reservation for your pet in advance, as there is a limit to the number of pets allowed on each flight. The fee for traveling with a pet in the cabin varies, and it is recommended to check with Frontier Airlines for the most up-to-date information regarding fees.

Health and Documentation: Prior to travel, ensure that your pet is in good health and up to date on vaccinations. Frontier Airlines may require a health certificate from a veterinarian, especially if you are traveling to certain destinations. It is essential to check the specific requirements of your destination before your trip.