Cheap Flights from Seattle (SEA) to Portland (PDX)

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Flight deals from Seattle to Portland

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Find the cheapest month to fly from Seattle to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Portland flights are currently cheapest in June.

Direct flights from Seattle to Portland

Seattle to Portland: Alternative routes

Compare routes from Seattle to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Seattle to Portland: Flight information

The things to know before you go.
Cheapest flight found$131
Cheapest month to flyJune
Average flight time59 mins
Most popular airlineAlaska Airlines
Average flights per week628

Finding cheap flights from Seattle to Portland: Frequently asked questions

The best price we found for a round-trip flight from Seattle to Portland is $131. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
59 minutes is the average flight time from Seattle to Portland.
Alaska Airlines, WestJet and Qatar Airways fly direct from Seattle to Portland.
There are 628 flights per week flying from Seattle to Portland, as of May 2024.
The cheapest month to fly from Seattle to Portland is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Portland Airport on Tuesday, June 4, 2024.
Yes – the average flight time is 59 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Portland is Alaska Airlines.

A short journey south is all it takes to get from Seattle to Portland. The two destinations are 145 miles apart, but total trip length including departure and wait times is roughly 55 minutes, granted there are no major delays.

Given that they are more accustomed to cooler temperatures provided by the city’s maritime climate, Seattle residents should remember to pack lighter layers when venturing to Oregon. Especially if traveling in the summer, the weather is markedly warmer on the receiving end of Seattle to Portland flights!

United, Continental, American, Delta, and Alaska Airlines are the four carriers that offer flights from Seattle to Portland, with the latter two providing daily, direct routes. 211 of these trips are made every week, most of which are booked via Alaska Airlines’ Canadair Regional Jet 700 and De Havilland Canada DHC-8-400 Dash 8Q.

Departing from Seattle-Tacoma International

Serving Washington’s SeaTac region, the airport can be found 1.5 miles west of Interstate 5, housed at the intersection of SR 99, 509, and 518. Seattle-Tacoma features a Central Terminal Building, four concourses, and two satellite terminals.

The smaller terminals are connected to the central building by an underground people mover system. Travelers also have the option of arriving via an integrated light rail system, which connects to SeaTac Airport Station. To ensure your trip to Portland gets started off right, Seattle Tacoma International has a dedicated meditation room for passengers who want to relax and unwind. It is found on the Mezzanine Level in the Main Terminal.

SeaTac also offer free WiFi throughout the entire facility, along with internet phones. Smokers must go to two designated outdoor areas (North and South ends of the Lower Drive). A Mother’s Room is available for nursing moms, and you can find many live musical performances scattered throughout the airport as well.

Portland Arrival

Portland is known for its bountiful microbreweries, food carts, and laid back atmosphere. With a city slogan like “Keep Portland Weird,” you can get a good idea of how down to earth the people living here are.

The nature scene in PDX is amazing; Columbia River Gorge National Scenic Area, Forest Park, Oneonta Gorge, and Trillium Lake are definite sights to see. Take a tour of the Oregon Museum of Science and Industry and the Portland Art Museum while here, too. Seasonal festivities such as ChocolateFest and Jazz Festival run throughout the year, so there is never a bad time to visit.

Check out Skyscanner’s excellent airfare compare tool for cheap flights from Seattle to Portland. Our intellisearch engine was designed to save you big money on your flight expenses!


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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.