Search flights from Portland (PWM) to Seattle (SEA)
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Cheapest flights to Seattle
The cheapest flights available in the next 60 days – prices are updated regularly
Flying from Portland to Seattle: things to know
The most popular route is from Portland International Jetport in Portland to Sea-Tac Airport in Seattle. On average this flight takes 9 hours 28 minutes one way and costs US$646 for the round trip.
Most popular route | Portland International Jetport (PWM) to Sea-Tac Airport (SEA) |
|---|---|
Average flight time | 9 hours 28 minutes |
Average round-trip price | US$646 |
Fly from Portland to Seattle | 4 airlines |
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Airlines that fly from Portland to Seattle
Airline options may vary according to recently booked flights and your search terms
American Airlines
United Airlines
Sun Country
Alaska Airlines
Frequently asked questions
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