Only in porters (national destinations). The transport of pets in the cabin is NOT allowed for domestic pets of any kind, even when a veterinarian has issued a certificate or justifies a problem / illness / special request. By law, only the exception of Assistance Dogs for people with disabilities is made (check the requirements in the following question).
Pets must be presented in a special and conditioned cage, in addition to having a firm insurance. This type of cargo requires optimal conditions of transport which will be the sole responsibility of the passenger.
Pets must be delivered in optimal hygiene conditions. The company reserves the right to move them if they are not in adequate conditions. The company disclaims responsibilities or incidents derived from its transfer, of any nature.