S$90 Cheap Flights from Seattle to Portland

View S$90 flight on Sat, 31 Jan, 2026Opens in a new window

Popular airlines from Seattle to Portland, OR (PDX-Portland Intl.)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle to Portland (SEA-PDX)

Prices were available within the past 7 days and start at S$90 for one-way flights and S$267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$267 Return, found 4 days ago
S$267
Return
found 4 days ago
Select Delta flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$267 found 4 days ago
Delta
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$293 Return, found 4 days ago
S$293
Return
found 4 days ago
Select Delta flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$293 found 4 days ago
Delta
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$300 Return, found 4 days ago
S$300
Return
found 4 days ago
Select Delta flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$300 found 4 days ago
Delta
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$326 Return, found 4 days ago
S$326
Return
found 4 days ago
Select Delta flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$326 found 4 days ago
Delta
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$360 Return, found 4 days ago
S$360
Return
found 4 days ago
Select Delta flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$360 found 4 days ago
Delta
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$377 Return, found 4 days ago
S$377
Return
found 4 days ago
Select Delta flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$377 found 4 days ago
Delta
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$403 Return, found 4 days ago
S$403
Return
found 4 days ago
Select Delta flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$403 found 4 days ago
Delta
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$415 Return, found 4 days ago
S$415
Return
found 4 days ago
Select Delta flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$415 found 4 days ago
United
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$485 Return, found 4 days ago
S$485
Return
found 4 days ago
Select United flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$485 found 4 days ago
American Airlines
Fri, 29 May - Sun, 14 Jun
SEA
Seattle
PDX
Portland
S$611 Return, found 4 days ago
S$611
Return
found 4 days ago
Select American Airlines flight, departing Fri, 29 May from Seattle to Portland, returning Sun, 14 Jun, priced at S$611 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Portland (PDX)

February is typically the cheapest month to fly

From S$99 - S$268 per traveller.

Frequently asked questions

How much is a flight from SEA to Portland Airport?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Seattle - Tacoma Intl. Airport (SEA) and PDX Airport start from S$267. Make your booking ASAP to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to Portland Airport?
We understand that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport to Portland Intl. Airport (PDX) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to PDX flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from SEA to Portland Airport?
The average flight time from SEA to Portland Intl. Airport (PDX) is only 55 minutes. If you're lucky, you might just get through an entire movie before you land!
How far is the flight from Sea-Tac Airport to Portland Intl. Airport (PDX)?
It's only 210 kilometres from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX). It's quite possible that you'll spend more time travelling to and from the airport than you will actually flying!
Which airlines fly direct from SEA to PDX?
Alaska Airlines (AS) is a popular choice. It operates 495 flights between Sea-Tac Airport and PDX each month. Delta Air Lines (DL) is another popular choice. It offers 212 flights each month. Between these two airlines, you'll be able to find a good deal from SeaTac to Portland.
Are Sea-Tac Airport to PDX Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to Portland Airport at the last minute could be your ticket to a great deal. However, it might cost you a whole lot more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Travel information

0
Origin airport
Seattle - Tacoma Intl.
Destination airport
Portland Intl.
Return price
S$172
Distance
206 km

Book with confidence

Flights from Seattle to Portland

There are several airlines that operate frequent flights from Seattle (SEA) to Portland (PDX) including

  • Alaska Airlines with 228 flights a week
  • Delta Air Lines with 90 flights a week

The earliest flight leaves Seattle Tacoma Intl. Airport at 05:30 and arrives at Portland Intl. Airport at 06:20. The last flight of the day departs Seattle at 23:10 and arrives at Portland at 23:56.

The flight distance from Seattle to Portland is about 209 km, the shortest flight is 00 hours 42 minutes with Delta Air Lines.

Expedia lets you search across the largest number of airlines and Portland flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Seattle Portland flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle to Portland trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Portland flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Seattle to Portland with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Flights from Seattle to Portland

Explore a world of travel with Expedia

*Available to Expedia members.