Category: <span>D.C.</span>

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United has round-trip flights from Portland or Seattle (PDX/SEA) to Washington, D.C. (IAD) for $153-$161, NONSTOP. Flights March/April to May. Portland has weekends available. Origin/Destination reversible.

Change fees are waived, but United’s “Basic Economy” fares do not include a free carry-on bag. Only a personal item (like a small laptop bag) is free. Seats are randomly assigned for free prior to boarding. If you have the United MileagePlus credit-card, use the “free checked bag” perk.

The personal item size on United is smaller (9-in/10-in/17-in) than Frontier or Spirit (8-in/14-in/18-in).

Click for more details and booking links Nonstop Flights: Portland or Seattle to/from Washington, D.C. $153-$161 r/t [March/April-May] – United

Airfare Deals D.C. Flights from Portland Flights from Seattle Star Alliance United Washington