starting at $262
starting at $91
starting at $171
starting at $266
Compare airlines, prices, and flight durations for your trip
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Portland to Seattle. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The minimum one-way ticket price from Portland to Seattle is $91 (May 2026), while the maximum is $177 (March 2026). On average, a ticket costs $147–$348.
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.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Portland to Seattle:
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The Portland — Seattle route is served by a wide range of airlines: 4 in total, including Air Excursion, LLC, Alaska Airlines, Grumeti Air, and Hawaiian Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $91. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
starting at $262
starting at $91
starting at $171
starting at $266
Portland — Seattle
03/29/2026
Departure
Direct flight
X43127
starting at $262
Portland — Seattle
04/02/2026
Departure
Direct flight
X43107
starting at $275
Portland — Seattle
05/15/2026
Departure
Direct flight
X43105
starting at $265
Portland — Seattle
03/20/2026
Departure
Direct flight
X43107
starting at $306
Portland — Seattle
03/20/2026
Departure
Direct flight
AS403
starting at $266
Unable to find information about the schedule of direct flights from
The cheapest flight ticket from Portland to Seattle according to data for the last 48 hours costs $91
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: May, April, March.
The fastest flights from Portland to Seattle start from 58 minutes in the air.
The following airlines operate direct flights on the route Portland — Seattle: Air Excursion, LLC, Alaska Airlines
We couldn't find any special offers for flights from Portland to Seattle
The cheapest one-way flight from Portland to Seattle departs on 05/16/2026, is operated by Alaska Airlines and costs $91
There is no information about the cheapest roundtrip flight from Portland to Seattle
Fastest flight from Portland to Seattle takes 0h 58m
There are direct flights on this route 3 days a week: Su, Th, and Fr
The distance between Portland and Seattle is 225km (140 miles). There are 75 direct flights from Portland to Seattle. Portland and Seattle are in the same time zone. Flights from Portland begin at 5:35 AM. The latest flight from Portland departs at 9:30 PM