Update: [11/07/2017 @ 2:49 AM] PDX fare gone.
Virgin America and Alaska Airlines have round-trip flights from Dallas (DFW/DAL) to Seattle (SEA) or Portland (PDX) for $197, NONSTOP. $99 each-way. Flights November 29 to December 19. Weekends available for +$10 more. Holidays are blacked out. No Christmas. Origin/Destination reversible.
Note: Virgin flies out of DAL, Alaska Airlines flies out of DFW. No Virgin flights for Portland.
Read More Nonstop Flights: Dallas to/from Seattle or Portland $197 r/t – Virgin / Alaska Airlines