Cheap flight tickets from Seattle to Portland

Compare Seattle to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

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Flight deals from Seattle to Portland

Looking for a cheap last-minute deal or the best return flight from Seattle to Portland? Find the lowest prices on one-way and return tickets right here.

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 January.

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 foundRM1,008
Cheapest month to flyJanuary

Finding cheap flights from Seattle to Portland: Frequently asked questions

The best price we found for a return flight from Seattle to Portland is RM1,008. 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.
Currently, there are no airlines that fly direct from Seattle to Portland. But we found flights with one stop from RM1,008.
As of December 2025, there are no flights flying from Seattle to Portland.
The cheapest month to fly from Seattle to Portland is usually January.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Portland Airport on Thursday, 8 January 2026.
No airlines currently offer direct flights between Seattle and Portland Airport. Most routes have one or more stops.
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 Delta .

Flying from Seattle to Portland International Jetport Airport (PWM): What you need to know

  • Seattle's main airport is Seattle-Tacoma International Airport (SEA). Check out your options for leaving from this base when booking your flights from Seattle to Portland International Jetport Airport (PWM).

  • Portland is three hours ahead of Seattle. Portland International Jetport Airport is located in Portland, which runs on the UTC-4 timezone.

  • Your flight from Seattle to PWM won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Delays at security and check-in are likely if you're flying during high season, so allow a little extra breathing room. The recommendation for peak times? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • The journey from central Seattle to SEA takes about 55 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 23 kilometres in 20 minutes or so, depending on traffic conditions.

  • Want an easy start to your travels? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Portland International Jetport Airport or just don't want to be rushed, these hotels are the answer:

  • Seattle-Tacoma International Airport has an excellent on-time record, reducing the likelihood of delays. Departures from SEA touch down on schedule 81.27% of the time.

Lake Union Sea Plane Base Airport (LKE)

  • You can reach LKE from central Seattle in about 10 minutes by car (depending on traffic conditions). The ride by public transport takes roughly 25 minutes to cover the 3 kilometres or so.

  • Catching the earliest flight? Think about staying at one of these hotels near Lake Union Sea Plane Base Airport the day before your Seattle to PWM flight:

About Portland International Jetport Airport (PWM)

Getting from Portland International Jetport Airport (PWM) to central Portland

  • Portland International Jetport Airport is about 5 kilometres from central Portland. How long it'll take to get there in a cab or car hire depends on the time of day. Do some research before you go.

  • It takes roughly 40 minutes when travelling by public transport.

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

  • Right now, RM633 is the best price we've found for a one-way ticket from Seattle to Portland International Jetport Airport. The cheapest price for a return flight is RM1,008. Keep in mind fares may change due to availability at the time of booking.

  • Booking in advance is often the key to scoring a cheap flight from Seattle to PWM. Fares tend to rise as demand increases, so the closer your departure date, the more it could cost you.

  • The 'Whole month' tool shows you the cheapest Seattle to Portland International Jetport Airport tickets throughout the month. It's an easy way to find a bargain if your dates aren't set in stone.

  • Snapping up a cheap plane ticket from Seattle to PWM is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as there's a price drop.

  • Hunt down a great price on a flight from Seattle to Portland International Jetport Airport with the help of the filters. Choose your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest.'

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

  • April is the quietest month for flights from Seattle to Portland International Jetport Airport (PWM), while August is the busiest. Pick the best time to visit Portland based on whether you like a laid-back vibe or a more bustling atmosphere.

  • When booking your Seattle to PWM plane ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in Portland, with temperatures ranging from 14ºC (57ºF) to 25ºC (77ºF).

  • Search for cheap tickets from Seattle to Portland International Jetport Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -10ºC (14ºF) and 3ºC (37ºF).

More about Portland

Explore more of the United States

  • Boston is just one of the many cities in the United States waiting to be explored once you've taken in the sights of Portland. Around 153 kilometres away to the south-west, popular attractions include Museum of Fine Arts Boston, Freedom Trail and Quincy Market.

  • Around 193 kilometres south-west of Portland, Worcester is another favourite stop in the United States. Start your sightseeing at Worcester Art Museum, Redemption Rock Brewing and Union Station.

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