Southwest Airlines In Cabin Pet Policy: What Pet Owners Should Know

The southwest airlines in cabin pet policy allows passengers to travel with small, vaccinated cats and dogs on domestic flights. Pets must be at least eight weeks old and remain inside an airline-approved carrier that fits completely under the seat in front of the passenger. Only one pet carrier is allowed per traveler, and the airline limits the number of pets per flight. Since availability is offered on a first-come, first-served basis, early arrival at the airport is recommended. Understanding these guidelines in advance helps pet owners plan a safe, smooth, and stress-free journey.