Alaska Airlines offers 11 flights from Dallas/Fort Worth Airport to Seattle for under $400. Prices vary by date and time. To see all prices and select your dates, click here.
The average rating from 762 Alaska Airlines reviews by Cheapflights users is 5.8 (out of a maximum rating of 10). If you are considering flying DFW-SEA with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Seattle with Alaska Airlines.