Alaska, Delta and Expedia have round trip airfares travelling to and from Boston (BOS) and Seattle (SEA) for $ 198, nonstop. These are basic economy fares, a restricted-type fare that allows a personal item and a carry-on bag. There is no seat selection and no changes.

Travel Availability:[INDENT]Departs BOS: April 1-8, 12, 21-23, 25-30; May 1-11, 13-14; Aug 30-31; Sept 6-9, 13-16, 20-25, 27-30; Oct 4-5, 12, 18-20, 22, 25-29; Nov 1-5, 8-12, 14-17, 30; Dec 1-3, 6-8, 12