Bandar Udara Internasional Seattle-Tacoma
Maskapai

| Maskapai | Tujuan | Concourse |
| --- | --- | --- |
| Air Canada | Toronto-Pearson | North Satellite  |
| Air Canada Express operated by Jazz Air | Vancouver Seasonal: Calgary | North Satellite  |
| AirTran Airways operated by Southwest Airlines | Atlanta [ends September 3, 2012] | Concourse B  |
| Alaska Airlines | Anchorage, Atlanta, Austin, Boston, Burbank, Chicago-O'Hare, Dallas/Fort Worth, Denver, Fairbanks, Fort Lauderdale, Guadalajara,  Honolulu, Houston-Intercontinental, Juneau, Kahului, Kansas City, Ketchikan, Kailua-Kona, Las Vegas, Lihue, Los Angeles, Mexico City,  Minneapolis/St. Paul, Newark, Oakland, Ontario, Orange County, Orlando, Palm Springs, Philadelphia, Phoenix, St. Louis, Sacramento, San Antonio [begins September 17, 2012], San Diego, San Francisco, San Jose (CA), Spokane, Tucson, Washington-National Seasonal: Mazatlán, Puerto Vallarta, San Jose del Cabo, Sitka | Concourses C, D, and North Satellite  |
| Alaska Airlines operated by Horizon Air | Bellingham, Billings, Boise, Bozeman, Calgary, Edmonton, Eugene, Fresno, Great Falls, Helena, Kalispell, Kelowna, Lewiston, Medford, Missoula, Oakland, Pasco, Portland (OR), Pullman, Redmond/Bend, Reno/Tahoe, Santa Barbara, Santa Rosa, Spokane, Sun Valley, Vancouver, Victoria, Walla Walla, Wenatchee, Yakima | Concourse B, C  |
| Alaska Airlines operated by SkyWest Airlines | Fresno, Long Beach, Santa Barbara | Concourse C  |
| All Nippon Airways | Tokyo-Narita | South Satellite  |
| American Airlines | Chicago-O'Hare, Dallas/Fort Worth, Miami, New York-JFK | Concourse A  |
| Asiana Airlines | Seoul-Incheon | South Satellite  |
| British Airways | London-Heathrow | South Satellite  |
| Condor | Seasonal: Frankfurt | South Satellite  |
| Delta Air Lines | Amsterdam, Atlanta, Beijing-Capital, Cincinnati, Detroit, Honolulu, Minneapolis/St. Paul, New York-JFK, Osaka-Kansai, Paris-Charles de Gaulle, Salt Lake City, Tokyo-Narita | Concourse A, B and South Satellite  |
| Delta Connection operated by SkyWest Airlines | Seasonal: Salt Lake City | South Satellite  |
| Emirates | Dubai | South Satellite  |
| EVA Air | Taipei-Taoyuan | South Satellite  |
| Frontier Airlines | Denver Seasonal: Colorado Springs | Concourse A  |
| Frontier Airlines operated by Republic Airways | Denver | Concourse A  |
| Hainan Airlines | Beijing-Capital | South Satellite  |
| Hawaiian Airlines | Honolulu, Kahului | Concourse A  |
| Icelandair | Reykjavík-Keflavík | South Satellite  |
| JetBlue Airways | Boston, Long Beach, New York-JFK | Concourse A  |
| Korean Air | Seoul-Incheon | South Satellite  |
| Lufthansa | Frankfurt | South Satellite  |
| Southwest Airlines | Albuquerque, Baltimore, Chicago-Midway, Denver, Houston-Hobby,  Las Vegas, Milwaukee, Oakland, Phoenix, Reno/Tahoe, Sacramento, Salt Lake City, San Jose (CA)  Seasonal: Atlanta, Kansas City, Nashville, St. Louis | Concourse B  |
| Sun Country Airlines | Minneapolis/St. Paul | Concourse A  |
| United Airlines | Anchorage, Chicago-O'Hare, Denver, Houston-Intercontinental, Newark, San Francisco, Tokyo-Narita, Washington-Dulles Seasonal: Cleveland | Concourse B and North Satellite  |
| United Express operated by SkyWest Airlines | Denver, Los Angeles, Portland (OR), San Francisco | North Satellite  |
| US Airways | Charlotte, Philadelphia, Phoenix | Concourse A  |
| Virgin America | Los Angeles, San Francisco | Concourse A  |