To make pet travel easier, the southwest airlines pet policy in cabin provides clear guidelines for bringing small pets on board. Southwest allows vaccinated cats and dogs to travel in the cabin as long as they remain inside an approved carrier for the entire flight. Only six pet carriers are permitted per flight, making early booking essential. The $95 fee per direction is fully refundable if your travel plans change. This detailed overview breaks down age requirements, carrier specifications, seating rules, and boarding guidelines to help travelers prepare. With these tips, your next trip with your furry friend becomes smoother and far more enjoyable.