FFL Helper
Washington WAS
$139
PDX → IAD · Frontier Airlines
FFL Helper / Portland / Washington
PDX → WAS
Portland (PDX) to Washington (WAS)
Compare one-way fares for flights from Portland to Washington.
Lowest fare
$139
Distance
2,348 mi
Flight time
27h 12m
Airports
PDX–IAD
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By month: December 2026 from $139
Price calendar
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Upcoming dates
About this route
This calendar shows dated one-way fares from Portland to Washington. Use it to see which days are cheaper before you search tickets.
Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Portland to Washington.