Cheap Flights from Seattle to Portland

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Flight deals from Seattle to Portland Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Portland Airport? If you want to travel next month, return fares start from $133. Find the lowest prices on one-way and return tickets right here.

Portland.$133 per passenger.Departing Sun, 12 Apr, returning Sun, 19 Apr.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sun, 12 Apr, arriving in Portland.Inbound direct flight with Delta departs from Portland on Sun, 19 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $133, select.

Portland.$133 per passenger.Departing Sat, 2 May, returning Sun, 3 May.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 2 May, arriving in Portland.Inbound direct flight with Delta departs from Portland on Sun, 3 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $133, select.

Portland.$167 per passenger.Departing Sun, 26 Apr, returning Sun, 3 May.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sun, 26 Apr, arriving in Portland.Inbound direct flight with Delta departs from Portland on Sun, 3 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $167, select.

Portland.$348 per passenger.Departing Tue, 11 Aug, returning Sat, 22 Aug.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 11 Aug, arriving in Portland.Inbound direct flight with Delta departs from Portland on Sat, 22 Aug, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $348, select.

Portland.$348 per passenger.Departing Sat, 20 Jun, returning Sun, 5 Jul.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 20 Jun, arriving in Portland.Inbound direct flight with Delta departs from Portland on Sun, 5 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $348, select.

Portland.$348 per passenger.Departing Fri, 28 Aug, returning Sat, 5 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 28 Aug, arriving in Portland.Inbound direct flight with Delta departs from Portland on Sat, 5 Sep, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $348, select.

Portland.$365 per passenger.Departing Thu, 26 Mar, returning Tue, 31 Mar.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 26 Mar, arriving in Portland.Inbound direct flight with Delta departs from Portland on Tue, 31 Mar, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $365, select.

Portland.$380 per passenger.Departing Thu, 24 Sep, returning Thu, 8 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Thu, 24 Sep, arriving in Portland.Inbound direct flight with Delta departs from Portland on Thu, 8 Oct, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $380, select.

Portland.$383 per passenger.Departing Fri, 24 Jul, returning Fri, 31 Jul.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 24 Jul, arriving in Portland.Inbound direct flight with Delta departs from Portland on Fri, 31 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $383, select.

Portland.$416 per passenger.Departing Fri, 12 Jun, returning Sun, 14 Jun.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 12 Jun, arriving in Portland.Inbound direct flight with Delta departs from Portland on Sun, 14 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $416, select.

Portland.$449 per passenger.Departing Fri, 20 Mar, returning Sat, 4 Apr.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 20 Mar, arriving in Portland.Inbound direct flight with Delta departs from Portland on Sat, 4 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $449, select.

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 April.

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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.

Portland

10km from central Portland

ClosestCheapest

from $133

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Salem

72km from central Portland

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Seattle to Portland: Flight information

The things to know before you go.

Cheapest flight found	$133
Cheapest month to fly	April
Average flight time	57 mins
Most popular airline	Alaska Airlines
Average flights per week	749

Finding cheap flights from Seattle to Portland: Frequently asked questions

How much are return flights from Seattle to Portland?

The best price we found for a return flight from Seattle to Portland is $133. 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.

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

56 minutes is the average flight time from Seattle to Portland.

Which airlines fly direct from Seattle to Portland?

Alaska Airlines, Horizon Air and SkyWest Airlines fly direct from Seattle to Portland.

How many flights are there a week from Seattle to Portland?

As of March 2026, there are 749 flights per week flying from Seattle to Portland.

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

The cheapest month to fly from Seattle to Portland is usually April.

Which upcoming date is cheapest to fly from Seattle to Portland Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Portland Airport on Sunday, 12 April 2026.

Can I get a direct flight from Seattle to Portland Airport?

Yes – the average flight time is 57 minutes.

How can I find the best flight deal to Portland?

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.

When is the best time to book flights to Portland?

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.

Which is the cheapest airline to fly from Seattle to Portland with?

The cheapest airline that flies to Portland is Delta .

Travelling from Seattle to Portland International Airport (PDX): What you need to know

Your next great adventure starts at one of Seattle's main airports, Seattle-Tacoma International Airport (SEA) or King County International Airport (BFI). Check out your options for booking a flight from Seattle to Portland International Airport (PDX) setting off from either of these.
1 hour is the average duration of a direct Seattle to Portland International Airport flight.
Portland's timezone is UTC-8, which is the same as Seattle. Portland International Airport is located in Portland.
With 123 direct flights a week between the two airports, Seattle-Tacoma International Airport (SEA) to Portland International Airport (PDX) is the busiest route. Alaska Airlines operates the earliest flight at 5:23am. If you're eager to get more out of your day before you fly, the last flight from SEA to PDX is with Alaska Airlines at 11pm.
Arrive at the airport on time so you don't miss your flight from Seattle to PDX. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
If you're going away during a popular month like July, arrive at the terminal even earlier. You'll want to arrive up to four hours before international flights and two hours ahead of a domestic departure. Expect lines to be longer during peak periods like Christmas and New Year.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Get to your destination in one go from Seattle-Tacoma International Airport (SEA). Nonstop flights from Seattle to Portland International Airport (PDX) operate from here.
When departing from SEA, you can catch a direct flight from Seattle to Portland International Airport with Alaska Airlines.
The majority of travellers choose to fly with Alaska Airlines from SEA to PDX.
Delta leads the way as the most punctual carrier on this route, with 86.09% of its services landing on schedule.
Located around 23 kilometres from the centre of Seattle, SEA can be reached in about 25 minutes by car, depending on traffic. The journey on public transport will take roughly 35 minutes.
Have an early flight from Seattle to Portland International Airport? Avoid rushing to the terminal (and enjoy a few extra z's) by picking one of these hotels near Seattle-Tacoma International Airport:
80% of flights leaving Seattle-Tacoma International Airport reach their destination as planned. Given its solid on-time performance, you're unlikely to be delayed when taking off from SEA.

Seattle Paine Field International Airport (PAE)

You can arrive at PAE from central Seattle in about 40 minutes by car, depending on traffic conditions. The ride by public transport will take roughly 1 hour 30 minutes to cover the 40 kilometres or so.
Want to enjoy an extra night away before boarding your Seattle to PDX flight? Kick back in a hotel near Seattle Paine Field International Airport before your trip officially begins. Here's where you can stay:
Seattle Paine Field International Airport has a solid reputation for punctual service. 80% of flights leaving here make it to their final destination as planned.

King County International Airport (BFI)

Get there with one smooth ride from King County International Airport (BFI). Direct flights from Seattle to Portland International Airport are available from here.
Prepare for takeoff with Air Excursions. It offers direct Seattle to PDX plane tickets from BFI.
The airline with the highest booking numbers between BFI and PDX is Air Excursions, LLC.
From central Seattle, BFI is around 11 kilometres away. It takes roughly 20 minutes to arrive by car and 35 minutes or so if you use public transport.
Sleep a little longer and still make your Seattle to Portland International Airport flight with plenty of time to spare. These hotels near King County International Airport make departure day effortless if you're setting off early:

About Portland International Airport (PDX)

If you're arriving on a late flight from Seattle to Portland International Airport, few things top the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing soon after at one of these hotels near PDX:
For the lowest price, reserve your vehicle around one week ahead of your Seattle to Portland International Airport flight.
You'll find PDX at 7000 NE Airport Way.

Getting from Portland International Airport (PDX) to central Portland

Portland International Airport to the centre of Portland is roughly 10 kilometres. If you're getting a taxi or renting a car, do some research to make your trip as easy as possible. Journey times may vary depending on the time of day and traffic conditions.
If you're travelling by public transport, expect a journey of about 40 minutes.

How to find the cheapest flights from Seattle to Portland International Airport (PDX)

The cheapest price we've found for a one-way ticket from Seattle to Portland International Airport is $100. For a return flight on this route, the best price is $133. Depending on when you want to go and the availability, these fares may change.
To pick up cheap flights from Seattle to PDX, book ahead. Airlines typically offer the most competitive fares when flights are first released.
If you're flexible with your trip dates, use the 'Whole month' search tool. It'll give you the lowest price across the month when searching for your Seattle to Portland International Airport ticket.
Spend less time searching for cheap plane tickets from Seattle to PDX by creating a Price Alert. We'll send you an email or notification on the app when prices go down.
Tailor your trip using filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Seattle to Portland International Airport.

The best time to fly from Seattle to Portland International Airport (PDX)

December is the quietest month for flights from Seattle to Portland International Airport (PDX), while July is the busiest. Work out the ideal time to visit Portland based on whether you want a bustling atmosphere or a more laid-back vibe.
The warmest month in Portland is August, with temperatures ranging between 12ºC and 31ºC. Book your Seattle to PDX plane ticket then if that's your definition of good weather.
January sees temperatures of between -2ºC and 10ºC. Search for cheap tickets from Seattle to Portland International Airport around that time if you like cooler conditions.

More about Portland

When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Portland right here. Browse these options as soon as you've booked your flight from Seattle to Portland International Airport:
Portland Japanese Garden and Peninsula Park Rose Garden are just a couple of the top-rated attractions to add to your Portland to-do list. Keep the adventure rolling by checking out Beyond Van Gogh Portland.

Explore more of the United States

Portland has loads to offer, but there are so many other corners of the United States you'll want to see. About 225 kilometres north of Portland, a visit to Seattle will keep your itinerary busy. Start with attractions like Space Needle, Pike Place Market and Seattle Skyline.
Tacoma is another standout destination in the United States and is around 193 kilometres north of Portland. No trip is complete without dropping by LeMay - America's Car Museum, Chihuly Bridge of Glass and Point Defiance Park.