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

View $79 flight on Fri, Sep 11, 2026Opens 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.

Delta
Tue, Aug 11 - Tue, Aug 18
SEA
Seattle
PDX
Portland
$117 Roundtrip, found 3 hours ago
$117
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Aug 11 from Seattle to Portland, returning Tue, Aug 18, priced at $117 found 3 hours ago
Alaska Airlines
Tue, Aug 11 - Tue, Aug 18
SEA
Seattle
PDX
Portland
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Aug 11 from Seattle to Portland, returning Tue, Aug 18, priced at $137 found 3 hours ago
Alaska Airlines
Tue, Aug 11 - Tue, Aug 18
SEA
Seattle
PDX
Portland
$147 Roundtrip, found 3 hours ago
$147
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Aug 11 from Seattle to Portland, returning Tue, Aug 18, priced at $147 found 3 hours ago
Alaska Airlines
Mon, Apr 20 - Wed, Apr 22
SEA
Seattle
PDX
Portland
$159 Roundtrip, found 6 days ago
$159
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Mon, Apr 20 from Seattle to Portland, returning Wed, Apr 22, priced at $159 found 6 days ago
Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
SEA
Seattle
PDX
Portland
$160 Roundtrip, found 11 hours ago
$160
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Tue, Apr 21 from Seattle to Portland, returning Tue, Apr 28, priced at $160 found 11 hours ago
Alaska Airlines
Tue, Aug 11 - Tue, Aug 18
SEA
Seattle
PDX
Portland
$167 Roundtrip, found 3 hours ago
$167
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Tue, Aug 11 from Seattle to Portland, returning Tue, Aug 18, priced at $167 found 3 hours ago
Alaska Airlines
Fri, May 1 - Mon, May 4
SEA
Seattle
PDX
Portland
$170 Roundtrip, found 2 days ago
$170
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, May 1 from Seattle to Portland, returning Mon, May 4, priced at $170 found 2 days ago
Southwest Airlines
Sun, Mar 1 - Wed, Mar 4
SEA
Seattle
PDX
Portland
$368 Roundtrip, found 4 hours ago
$368
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Sun, Mar 1 from Seattle to Portland, returning Wed, Mar 4, priced at $368 found 4 hours ago
United
Tue, Apr 21 - Tue, Apr 28
SEA
Seattle
PDX
Portland
$383 Roundtrip, found 11 hours ago
$383
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Apr 21 from Seattle to Portland, returning Tue, Apr 28, priced at $383 found 11 hours ago
American Airlines
Fri, Feb 20 - Sat, Feb 21
SEA
Seattle
PDX
Portland
$587 Roundtrip, found 12 hours ago
$587
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Seattle to Portland, returning Sat, Feb 21, priced at $587 found 12 hours ago

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

January is typically the cheapest month to fly

From $76 - $204 per traveler.
0
Flights from Seattle (SEA) to Portland (PDX)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$117
Distance
128 mi

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 August. 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 2026. 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.

 

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) cost?
You can find cheap one-way flights from $79 and cheap return flights from $117 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) with Expedia. One-way flights generally range between $119 and $1067, and roundtrip flights usually range from $120 to $1577. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
December is typically the cheapest month to fly from Seattle (SEA) to Portland (PDX), with average round-trip fares around $231. This is about 13% lower than the average price throughout the year, as demand tends to decrease after the holiday season. Other cheap months to fly from Seattle to Portland include May and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
2 airlines operate nonstop service from SEA to PDX:

  • Delta operates around 59 direct flights from SEA to PDX every week
  • Hawaiian Airlines operates around 35 direct flights from SEA to PDX every week

What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
Alaska Airlines is one of the cheapest airlines offering nonstop flights from Seattle, WA (SEA) to Portland, OR (PDX), with round-trip tickets starting from around $99. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
The best airline to fly with from Seattle, WA (SEA) to Portland, OR (PDX) will differ from traveler to traveler. If you like to fly early, Delta offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. Alaska Airlines also offers the most daily flights from SEA to PDX, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
For flights from Seattle, WA (SEA) to Portland, OR (PDX), the best times to travel are December and May. December is particularly budget-friendly, with average return flight prices around $231, while May is popular for its pleasant weather. Choosing these months allows you to enjoy both good prices and a comfortable travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
There are approximately 9 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Portland Intl. (PDX). For more options, look at flights that include layovers.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
The earliest flight from Seattle - Tacoma International Airport (SEA) to Portland International Airport (PDX) typically leaves at around 12:05 AM, operated by American Airlines. This is a seasonal service active in February, and an early departure can help you make the most of your time in Portland. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
The most popular departure times for flights from Seattle (SEA) to Portland (PDX) are from 9am to 12pm. About 21% of passengers prefer this time window. Many major carriers, including Alaska Airlines, Delta and Southwest Airlines, offer flights during this window. This timing is favored as it allows you to start your day early and arrive in Portland with plenty of time to explore.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
Flying nonstop from SEA to PDX takes around 1 hour, with the route covering approximately 129 miles. Flights with a layover typically take 7 hours 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
You can fly first class between SEA and PDX. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines
  • Hawaiian Airlines

How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
A direct, return business class ticket from Seattle, WA (SEA) to Portland, OR (PDX) typically costs between $880 - $1,461. A non-stop, one-way business class flight is usually around $254 - $393 per adult. This short hop is perfect for business travelers or weekend getaways, making it easy to enjoy the vibrant culture of both cities. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Portland from Seattle - Tacoma Intl. (SEA)?
When traveling from Seattle - Tacoma Intl. (SEA) to Portland, you can fly into Portland Intl. Jetport (PWM) and Portland Intl. (PDX). Some flights may connect through major hubs like Denver Intl. (DEN), Sky Harbor Intl. (PHX), O'Hare Intl. (ORD) before reaching Portland. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) Portland Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Portland, OR (PDX-Portland Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

*Flight schedules are subject to change.

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*Available to One Key members.