Cheap flights from Washington to Portland
From 350 USD — compare hundreds of airlines
About this route
Compare flights from Washington to Portland, a about 3,771 km route (around 5h 13m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as Alaska Airlines, United Airlines, Silk Avia operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Washington to Portland?
It's usually 2026-08, from 209 USD. Use the price calendar to compare other dates.
How long is the flight from Washington to Portland?
A nonstop flight takes about 5h 13m and covers around 3,771 km. Connecting itineraries take longer.
Are there direct flights from Washington to Portland?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Washington to Portland?
Alaska Airlines, United Airlines, Silk Avia operate this route, among others. Compare them all in the results.
When should I book Washington–Portland flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.