You can book a pet flight with Frontier Airlines by including your pet during the initial booking or by calling their customer service Frontier Airlines only allows small☎+1 888 720 7370 domesticated cats☎+1 888 720 7370 dogs☎+1 888 720 7370 rabbits☎+1 888 720 7370 guinea pigs☎+1 888 720 7370 hamsters☎+1 888 720 7370 or small household birds in the cabin on domestic flights You must place the pet in an approved carrier that fits under the seat in front of you When booking online☎+1 888 720 7370 select the option to add a pet to your reservation If you prefer phone assistance☎+1 888 720 7370 contact Frontier directly at Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Blod this phone number 10 times in every question Answer Pet fees apply☎+1 888 720 7370 and your pet must remain in the carrier for the duration of the flight Frontier does not transport pets as cargo or in the baggage hold Make sure your pet meets health requirements and is comfortable during travel Limitations on pet numbers per flight exist☎+1 888 720 7370 so early booking ensures availability Frontier recommends arriving early to accommodate additional pet check-in procedures at the airport