Seattle-Tacoma International Airport is served by a wide range of airlines, providing both domestic and international flights. Major carriers that operate at this airport include Alaska Airlines, Delta Air Lines, Southwest Airlines, American Airlines, and United Airlines. Additionally, travelers can find various regional and low-cost airlines, such as JetBlue, Frontier Airlines, and Spirit Airlines. Internationally, airlines like British Airways, Air Canada, Korean Air, and Lufthansa also have services out of Seattle-Tacoma. Given the dynamic nature of airline schedules and routes, it is always a good idea to check the current airlines operating at SeaTac on the airport's official website for the most up-to-date information and specific flight offerings.

Answered Oct 5, 2025