Fly from Seattle to Baltimore for $238 round-trip, nonstop, including all taxes, as part of the current intro offer from Alaska Airlines.
This is one of two new nonstop routes from Alaska Airlines. Look for service for Seattle - Baltimore to begin on September 2, with Seattle - Albuquerque on September 18.
Intro deals are available for purchase by 11:59pm, April 3. Travel is valid on Tuesdays, Wednesdays, and Saturdays, from September through November 19.