Southwest serves seven domestic routes from Seattle

Southwest Airlines' longest route from Seattle-Tacoma International Airport (Sea-Tac) is to Chicago Midway, spanning 1,733 nautical miles. This route is the longest of the seven domestic flights from Seattle. The article details the top seven longest Southwest routes from Sea-Tac, including Phoenix, Denver, Las Vegas, San Jose, Oakland, and Sacramento. These routes are popular for their nonstop service and frequent departures from Concourse B. The rankings are based on distance, with Chicago Midway being the longest and Sacramento the shortest at 605 nautical miles. The article also provides context on each destination's airport and local attractions.