On Spirit Airlines, small domesticated pets are accepted in the aircraft cabin. Spirit will only allow the following pets on the aircraft: domestic dogs; domestic cats; small household birds (except to / from Puerto Rico and the U.S.V.I. ); and small domestic rabbits (except to/from Puerto Rico and U.S.V.I). Spirit Airlines does not accept pets for travel in the cabin on international flights and does not transport pets in cargo at any time. Exotic pets such as snakes, spiders, rodents, etc. will not be accepted.