Starting at $278
Starting at $149
Starting at $164
Helping travelers to find the best flight offers
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.
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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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 route Portland — Seattle is served by several airlines: Air Excursion, LLC, Southwest Airlines, and Frontier 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 $149 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.
Starting at $278
Starting at $149
Starting at $164
Portland — Seattle
12/07/2025
Departure
Direct flight
X43129
Starting at $306
Portland — Seattle
12/12/2025
Departure
Direct flight
X43107
Starting at $278
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Portland to Seattle departs on 12/11/2025, is operated by Southwest Airlines and costs $149
The cheapest roundtrip flight from Portland to Seattle departs on 12/23/2025, is operated by Alaska Airlines and costs $246
Fastest flight from Portland to Seattle takes 10h 40m
There are no direct flights on this route.
The distance between Portland and Seattle is 225km (140 miles). There are 227 direct flights from Portland to Seattle. Portland and Seattle are in the same time zone. Flights from Portland begin at 5:30 AM. The latest flight from Portland departs at 10:28 PM
A direct 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.
The cheapest flight ticket from Portland to Seattle according to data for the last 48 hours costs $149
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: December.
The fastest flights from Portland to Seattle start from 10 hours 40 minutes in the air.
The following airlines operate direct flights on the route Portland — Seattle: Air Excursion, LLC
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