$79 Cheap Flights from Seattle (SEA) to Portland (PDX)

View $79 flight on Sat, Nov 15, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Portland International Airport (PDX)

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Cheap Flights from Seattle to Portland (SEA-PDX)

Prices were available within the past 7 days and start at $79 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Dec 9 - Tue, Dec 16
SEA
Seattle
PDX
Portland
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Seattle to Portland, returning Tue, Dec 16, priced at $117 found 2 hours ago
Delta
Sat, Dec 13 - Sat, Dec 20
SEA
Seattle
PDX
Portland
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Dec 13 from Seattle to Portland, returning Sat, Dec 20, priced at $117 found 2 hours ago
Alaska Airlines
Sat, Dec 13 - Sat, Dec 20
SEA
Seattle
PDX
Portland
$137 Roundtrip, found 2 hours ago
$137
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Sat, Dec 13 from Seattle to Portland, returning Sat, Dec 20, priced at $137 found 2 hours ago
Alaska Airlines
Tue, Nov 25 - Fri, Nov 28
SEA
Seattle
PDX
Portland
$147 Roundtrip, found 3 hours ago
$147
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Nov 25 from Seattle to Portland, returning Fri, Nov 28, priced at $147 found 3 hours ago
Alaska Airlines
Tue, Oct 7 - Wed, Oct 8
SEA
Seattle
PDX
Portland
$157 Roundtrip, found 8 hours ago
$157
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, Oct 7 from Seattle to Portland, returning Wed, Oct 8, priced at $157 found 8 hours ago
Delta
Sat, Oct 11 - Tue, Oct 14
SEA
Seattle
PDX
Portland
$158 Roundtrip, found 3 hours ago
$158
Roundtrip
found 3 hours ago
Select Delta flight, departing Sat, Oct 11 from Seattle to Portland, returning Tue, Oct 14, priced at $158 found 3 hours ago
Delta
Wed, Oct 8 - Sat, Oct 11
SEA
Seattle
PDX
Portland
$160 Roundtrip, found 4 hours ago
$160
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Oct 8 from Seattle to Portland, returning Sat, Oct 11, priced at $160 found 4 hours ago
Southwest Airlines
Tue, Dec 9 - Tue, Dec 16
SEA
Seattle
PDX
Portland
$222 Roundtrip, found 2 hours ago
$222
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Dec 9 from Seattle to Portland, returning Tue, Dec 16, priced at $222 found 2 hours ago
United
Sat, Dec 6 - Sat, Dec 13
SEA
Seattle
PDX
Portland
$363 Roundtrip, found 2 hours ago
$363
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Dec 6 from Seattle to Portland, returning Sat, Dec 13, priced at $363 found 2 hours ago
American Airlines
Fri, Nov 14 - Sun, Nov 16
SEA
Seattle
PDX
Portland
$423 Roundtrip, found 1 day ago
$423
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 14 from Seattle to Portland, returning Sun, Nov 16, priced at $423 found 1 day ago

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

January is typically the cheapest month to fly

From $76 - $230 per traveler.

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) cost?
Lock in a cheap one-way flight from $79 or cheap return flight from $117 from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
December is the least expensive month to fly from SEA to PDX. Traveling during quieter months is often the key to finding a great deal.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
Enjoy a seamless journey to Portland Intl. Airport (PDX). 3 carriers offer direct routes from Seattle - Tacoma Intl. Airport (SEA), including:

  • Alaska Airlines
  • Delta Air Lines
  • Sun Country Airlines

What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
The cheapest airline to offer flights between Seattle - Tacoma Intl. Airport (SEA) and Portland Intl. Airport (PDX) will vary based on when you want to travel. Sun Country Airlines and Delta Air Lines are just some good options offering reasonable prices. Use Expedia's filter tool to compare airlines in one place and find the right SEA to PDX flight that fits your budget.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
When departing from Seattle - Tacoma Intl. Airport (SEA), you can take your pick from an average of 19 daily direct flights to Portland Intl. Airport (PDX).
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
More people fly between SEA and PDX at 7 AM than at any other time. Looking to skip the crowds? Pick a flight outside the busiest times and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from SEA to PDX?
Thursday has the most flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX). Consider leaving on this day and you'll have the best chance of finding a departure that fits your plans.
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
The first flight of the day jetting off from Seattle - Tacoma Intl. Airport (SEA) is at around 6:42AM UTC-8. Board this plane and you'll reach Portland Intl. Airport (PDX) at approximately 7:31AM UTC-8. The overall travel time is 49m.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
The average flight time from SEA to PDX is 57 minutes, covering a total distance of 130 mi.
What airline has the least delays from SEA to PDX?
With 100% of flights usually landing on time, China Eastern Airlines has the best on-time performance for direct flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX). To monitor your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Portland from Seattle - Tacoma Intl. Airport (SEA)?
Portland Intl. Airport (PDX) is the only airport in Portland with direct flights from Seattle - Tacoma Intl. Airport (SEA). Browse the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) last-minute?
Last-minute bookings from SEA to PDX are usually more expensive. To secure the lowest rates, start searching for flights early. That being said, if you're flexible with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a SEA to PDX flight and hotel package?
Securing a SEA to PDX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX)?
In most instances, you can reschedule or cancel your SEA to PDX flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Travel information

0
Origin airport
Seattle - Tacoma Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, Delta, Southwest Airlines, United
Roundtrip price
$115
Distance
128 mi

Book with confidence

Book with confidence

Seattle to Portland Flights

The cheapest times to fly from Seattle to Portland

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Portland are during the month of December. You can find some of the cheapest flights from Seattle to Portland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Portland

Sunday is one of the best days to book for cheap flights from Seattle to Portland: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Portland

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Portland flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Portland airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Portland Flights

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