Southwest Airlines is proud to serve Seattle-Tacoma International Airport.
Hop on the light rail or park and fly—getting to the airport is easy, and so is indulging your desire to travel when you choose a destination to explore with Southwest®. Whether you want to wing down the West Coast or escape clear across the country, it’s time to let your wanderlust take the lead.
The Space Needle may be old hat to Seattleites, so consider finding new heights to summit—whether those are mountain peaks beyond Mount Rainier, towering skyscrapers in another world-class city, or an outdoor adventure with zip lines or sails. See what fish markets are like in other sea-adjacent towns or tuck into local favorites in out-of-the-way dives or secluded towns. Unplug from daily life with an oceanside retreat or tap into the electricity of a new city—you can trust Southwest to get you wherever you choose to go.
Say goodbye to the Pacific Northwest and book your next flight out of Seattle-Tacoma International Airport on Southwest Airlines. Discover all your destination options when departing from Seattle/Tacoma—and earn Rapid Rewards® points when you fly. The booking process will be straightforward from flight selection to checkout to boarding. Learn more about what makes the Southwest® Experience different.
Wade into the adventure that awaits you in Golden Gate City. Enjoy West Coast vibes—book your flight to San Francisco today and get ready to be wowed by the City by the Bay.
*Fares are updated hourly. Fares displayed on external channels may no longer be available at time of booking. To find the most updated fare, please visit Southwest.com. Restrictions and exclusions apply. Seats and dates are limited. Fares may vary by destination, flight, and day of week and won't be available on some flights that operate during very busy travel times and holiday periods.
Got flexible travel plans?
Use our Low Fare Calendar to find the lowest fares on flights from Seattle/Tacoma available inside your travel window.
Details about Seattle-Tacoma International Airport.
Airport code:SEA
City:Seattle/Tacoma
State:Washington
Main Terminal
Gates B: 8, 10, 12, 14
Airport-provided WiFi
Cities with weekly flights from SEA
115†
Cities with daily nonstop flights Monday through Friday from SEA
7‡
Cities with daily nonstop flights Saturday through Sunday from SEA
7§
*Fares are updated hourly. Fares displayed on external channels may no longer be available at time of booking. To find the most updated fare, please visit Southwest.com. Restrictions and exclusions apply. Seats and dates are limited. Fares may vary by destination, flight, and day of week and won't be available on some flights that operate during very busy travel times and holiday periods.
†Weekly flights based on DOT published scheduled average flights Monday through Sunday between 4/1/2025 and 4/30/2025. Note: route may not operate every day of the week.
‡Nonstop flights based on DOT published scheduled average flights Monday through Friday between 4/1/2025 and 4/30/2025.
§Nonstop flights based on DOT published scheduled average flights Saturday through Sunday between 4/1/2025 and 4/30/2025.
You can use your points to book any seat, on any flight, no exceptions. Any day, any time, any flight, your points are ready to take you to where you want to go.
Your points don’t expire.
You can earn points on flights and on everyday purchases with our partners, which makes getting to your destination easy. No matter when, or where, you earn them, your points won’t expire.
