It's crucial to pick an airline that covers the full route, whether you're taking your pet along with you or if it's traveling solo. You must know the volaris approved pet carrierfor pets traveling in the cabin after choosing your airline. The carrier must be larger than 17" L x 12" W x 7" H. (43 cm x 30 cm x 17 cm). They must be lockable and have a perforated floor. Pets should be able to easily move about, stand up, and lie down inside. Hard-sided and soft-sided carriers are also acceptable. There will be extra charges if the carrier's combined dimensions are greater than 62" (157 cm) for pets flying as checked baggage.