Cheap flights from Seattle to Portland
from 144 US$
From 353 USD — compare hundreds of airlines
The cheapest month is usually 2026-08 · 144 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Seattle to Portland, a about 225 km route (around 0h 47m 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 operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Seattle to Portland?
It's usually 2026-08, from 144 USD. Use the price calendar to compare other dates.
How long is the flight from Seattle to Portland?
A nonstop flight takes about 0h 47m and covers around 225 km. Connecting itineraries take longer.
Are there direct flights from Seattle to Portland?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Seattle to Portland?
Alaska Airlines, United Airlines operate this route, among others. Compare them all in the results.
When should I book Seattle–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.
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Seattle → Portland · Live fares from 100+ sites — free, with no hidden fees.