Southwest Airlines allows small vaccinated domestic cats and dogs to travel with you in-cabin under the seat in front of you. All pets must be carried in an appropriate carrier, as indicated below.. Six (6) pets are allowed per flight with a limit of one pet carrier per paying Customer traveling on the same flight.
Pets. Southwest Airlines welcomes small vaccinated domestic cats and dogs in an appropriate pet carrier in the aircraft cabin. Animals are not allowed to travel .
Pets in the Cabin. Southwest Airlines allows customers to bring small pets (cats and dogs only) in the cabin on their domestic flights. Unfortunately, pets are not allowed to travel on international flights. Each customer is limited to carrying 1 pet carrier on board.
If your dog or cat meets the requirements listed in Southwest Airlines pet policy to travel in-cabin, you will need an approved airline pet carrier. The maximum size carrier that can be carried on a Southwest flight is 8.5" high x 18.5" long x 13.5" wide.