Cheap Flights from Portland to Seattle

Cheapest flights from Portland to Seattle

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.

Cheapest one way flight

$200

Air Excursion, LLC

Direct flight

0h 50m

09/25/2026

The cheapest one-way flight from Portland to Seattle departs on 09/25/2026, is operated by Air Excursion, LLC and costs $200

Cheapest round trip flight

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There is no information about the cheapest roundtrip flight from Portland to Seattle

The fastest flight

0h 50m

Fastest flight from Portland to Seattle takes 0h 50m

Direct flights

Several times a week

There are direct flights on this route 5 days a week: Su, Mo, We, Th, and Sa

Earliest flight

5:00 AM

Latest flight

9:30 PM

Direct flights count

142

Distance

225km

Timezone difference

0h

The distance between Portland and Seattle is 225km (140 miles). There are 142 direct flights from Portland to Seattle. Portland and Seattle are in the same time zone. Flights from Portland begin at 5:00 AM. The latest flight from Portland departs at 9:30 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Portland to Seattle by month

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

September 2026

Lowest price

on average:

$119

Avg Price

Airlines operating on route

The route Portland — Seattle is served by several airlines: Alaska Airlines and Air Excursion, LLC. 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 $200 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.

Alaska Airlines

starting at $238

Air Excursion, LLC

starting at $200

Non-stop flights from Portland to Seattle

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.

Portland — Seattle

PDX — SEA

09/28/2026

Departure

Direct flight

AS2257

starting at $249

Portland — Seattle

PDX — SEA

09/30/2026

Departure

Direct flight

X43107

starting at $315

Portland — Seattle

PDX — SEA

09/24/2026

Departure

Direct flight

X43107

starting at $305

Portland — Seattle

PDX — SEA

09/24/2026

Departure

Direct flight

X43101

starting at $201

Portland — Seattle

PDX — SEA

09/26/2026

Departure

Direct flight

AS2092

starting at $290

Portland — Seattle

PDX — SEA

09/26/2026

Departure

Direct flight

AS2258

starting at $379

Portland — Seattle

PDX — SEA

09/27/2026

Departure

Direct flight

AS1701

starting at $359

Schedule of direct flights from Portland to Seattle

There are most likely no direct flights on the Portland — Seattle route

Portland airports overview

Portland International Airport

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PDX

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Seattle airports overview

Boeing Field International Airport

•

BFI

8km

Seattle-Tacoma International Airport

•

SEA

19km

Primary air hub for the Seattle metropolitan area and Puget Sound, offering extensive domestic and international routes, multiple terminals, light rail and shuttle connections, and convenient access to downtown Seattle.

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Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Portland to Seattle?

The cheapest flight ticket from Portland to Seattle according to data for the last 48 hours costs $200

When is the best time to buy air tickets on the route Portland — Seattle?

Often the best time to buy tickets from Portland to Seattle is 2 months before departure.

When is the cheapest time of year to fly from Portland to Seattle?

Based on statistics over the past years, the lowest prices for flights from Portland to Seattle can be found flying in these months: September.

How long does it take to fly from Portland to Seattle?

The fastest flights from Portland to Seattle start from 50 minutes in the air.

Which airline can fly direct from Portland to Seattle?

The following airlines operate direct flights on the route Portland — Seattle: Alaska Airlines, Air Excursion, LLC

Special offers and sales on air tickets from Portland to Seattle

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.

We couldn't find any special offers for flights from Portland to Seattle

Alternative routes

Bellingham ➜ Seattle•Boise ➜ Seattle•Eugene ➜ Seattle•Spokane ➜ Seattle•Everett ➜ Seattle•Seattle ➜ Seattle•Yakima ➜ Seattle•Kelowna ➜ Seattle•Abbotsford ➜ Seattle•Portland ➜ Bellingham•Portland ➜ Boise•Portland ➜ Eugene•Portland ➜ Spokane•Portland ➜ Everett•Portland ➜ Kamloops•Portland ➜ Yakima•Portland ➜ Kelowna•Portland ➜ Abbotsford•Portland ➜ Calgary

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Cheapest one way flight

$200

Air Excursion, LLC

Direct flight

0h 50m

09/25/2026

The cheapest one-way flight from Portland to Seattle departs on 09/25/2026, is operated by Air Excursion, LLC and costs $200

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Portland to Seattle

The fastest flight