There are most likely no direct flights on the Portland — Seattle route
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A non-stop flight is the most convenient and comfortable way to fly from Portland to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the Portland — Seattle route
Portland — Seattle
06/18/2026
Departure
Direct flight
X43105
starting at $256
Portland — Seattle
07/29/2026
Departure
Direct flight
AS2421
starting at $242
starting at $256
starting at $162
The route Portland — Seattle is served by several airlines: Air Excursion, LLC and Alaska Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $162 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
The cheapest one-way flight from Portland to Seattle departs on 07/28/2026, is operated by Alaska Airlines and costs $162
There is no information about the cheapest roundtrip flight from Portland to Seattle
Fastest flight from Portland to Seattle takes 0h 55m
There are direct flights on this route 2 days a week: We and Th
The distance between Portland and Seattle is 225km (140 miles). Portland and Seattle are in the same time zone
The cheapest flight ticket from Portland to Seattle according to data for the last 48 hours costs $162
Often the best time to buy tickets from Portland to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Portland to Seattle can be found flying in these months: June.
The fastest flights from Portland to Seattle start from 55 minutes in the air.
The following airlines operate direct flights on the route Portland — Seattle: Air Excursion, LLC, Alaska Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Portland to Seattle
We couldn't find any special offers for flights from Portland to Seattle