Fare of the Day: Portland OR to Washington DC $158 RT

Fly from Portland OR to Washington DC for $158 round-trip, including all taxes. An excellent coast-to-coast deal, this fare is down by about $200 since yesterday. Valid for travel 7 days a week when available, for travel from late November through May. Though keep in mind, that excludes peak holiday travel. No minimum stay required!

Found via Orbitz. Also on Travelocity.