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$137 Cheap Flights from Seattle (SEA) to Portland (PDX)

View $137 flight on Wed, Oct 14, 2026Opens in a new window

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

Cheap Flights from Seattle to Portland (SEA-PDX)

Prices were available within the past 7 days and start at $137 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Nov 14 - Tue, Nov 17
SEA
Seattle
PDX
Portland
$237 Roundtrip, found 1 day ago
$237
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Nov 14 from Seattle to Portland, returning Tue, Nov 17, priced at $237 found 1 day ago
Delta
Tue, Jan 5 - Tue, Jan 12
SEA
Seattle
PDX
Portland
$237 Roundtrip, found 4 hours ago
$237
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Jan 5 from Seattle to Portland, returning Tue, Jan 12, priced at $237 found 4 hours ago
Alaska Airlines
Wed, Oct 28 - Wed, Nov 4
SEA
Seattle
PDX
Portland
$238 Roundtrip, found 1 day ago
$238
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Seattle to Portland, returning Wed, Nov 4, priced at $238 found 1 day ago
Alaska Airlines
Sat, Jan 9 - Tue, Jan 12
SEA
Seattle
PDX
Portland
$239 Roundtrip, found 1 day ago
$239
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Jan 9 from Seattle to Portland, returning Tue, Jan 12, priced at $239 found 1 day ago
Alaska Airlines
Sat, Oct 31 - Tue, Nov 3
SEA
Seattle
PDX
Portland
$241 Roundtrip, found 1 day ago
$241
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Oct 31 from Seattle to Portland, returning Tue, Nov 3, priced at $241 found 1 day ago
Alaska Airlines
Wed, Oct 28 - Wed, Nov 4
SEA
Seattle
PDX
Portland
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Seattle to Portland, returning Wed, Nov 4, priced at $242 found 1 day ago
Alaska Airlines
Sat, Feb 27 - Wed, Mar 3
SEA
Seattle
PDX
Portland
$244 Roundtrip, found 1 day ago
$244
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Feb 27 from Seattle to Portland, returning Wed, Mar 3, priced at $244 found 1 day ago
Southwest Airlines
Wed, Oct 14 - Wed, Oct 21
SEA
Seattle
PDX
Portland
$263 Roundtrip, found 5 hours ago
$263
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Wed, Oct 14 from Seattle to Portland, returning Wed, Oct 21, priced at $263 found 5 hours ago
United
Wed, Oct 14 - Wed, Oct 21
SEA
Seattle
PDX
Portland
$463 Roundtrip, found 5 hours ago
$463
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Oct 14 from Seattle to Portland, returning Wed, Oct 21, priced at $463 found 5 hours ago
American Airlines
Sun, Dec 20 - Mon, Dec 21
SEA
Seattle
PDX
Portland
$879 Roundtrip, found 5 hours ago
$879
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sun, Dec 20 from Seattle to Portland, returning Mon, Dec 21, priced at $879 found 5 hours ago

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

October is typically the cheapest month to fly

From $176 - $257 per traveler.

What you need to know for your flight from Seattle - Tacoma Intl. to Portland Intl.

Seattle (SEA) to Portland (PDX) at a glance

Travel between Seattle (SEA) and Portland (PDX) with a range of airlines offering convenient options for this short domestic route. Explore various Portland flights to find the itinerary that aligns with your budget and schedule while you delve into the city's renowned attractions and neighborhoods. Check out key details for flights from Seattle-Tacoma International Airport (SEA) to Portland International Airport (PDX), including the frequency of weekly flights available.

  • Fastest flight duration: around 1 hour non-stop
  • Route distance: roughly 150 miles (240 km)
  • Flights per week: around 20+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $60–$275, depending on seasonality and how far ahead you book

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

Recent traveler bookings reveal the top airlines flying from Seattle to Portland, primarily favored for their non-stop services. This selection allows you to explore various options for pricing, total travel time, and cabin class, ensuring you can create the most suitable itinerary for your journey.

  • Alaska Airlines: This full-service airline provides non-stop flights, with one-way prices usually falling between $70 and $300. It makes up around 55% of departures on this route, with a flight duration of 1 hour.
  • Delta: Offering non-stop service, this full-service carrier has one-way fares that generally range from $60 to $315. Delta represents about 44% of flights on this route, with a total travel time of 1 hour.
  • Hawaiian Airlines: A full-service airline that also offers non-stop flights, its one-way prices typically range from $95 to $220. This carrier accounts for roughly 1% of departures on this route, with a journey time of 1 hour.

Travelers flying from Seattle to Portland can enhance their experience by upgrading their flight. Alaska Airlines provides options for first class and business class, while Delta offers first class and premium economy service.

Best time to fly from Seattle (SEA) to Portland (PDX)

The most popular months for travelers flying from Seattle to Portland are January, March, and April, when peak temperatures in Portland reach up to 49.5°F in April. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 45.5°F. For better deals, May usually offers the lowest average one-way fare around $162. Flight availability peaks in September, with approximately 26 flights per week, making it easier to find convenient departure times. December has the fewest flights, with approximately 16 flights per week.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $162, roughly 9% cheaper than the yearly average.
  • More budget-friendly months to fly: September, January, and November typically offer average one-way fares of around $170.
  • Most flight options: September has the highest number of flights from Seattle to Portland, with approximately 26 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January40.8°F (4.9°C)Slightly High17$169
February41.4°F (5.2°C)Average17$188
March45.0°F (7.2°C)Slightly High17$192
April49.5°F (9.7°C)Slightly High18$176
May56.7°F (13.7°C)Average25$162
June62.4°F (16.9°C)Slightly Low21$186
July69.1°F (20.6°C)Average22$189
August70.3°F (21.3°C)Average21$185
September64.0°F (17.8°C)Average26$165
October54.7°F (12.6°C)Average23$175
November45.5°F (7.5°C)Slightly Low21$174
December39.9°F (4.4°C)Slightly Low16$188

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Seattle (SEA) to Portland (PDX)

  • Seattle to Portland (BFI-PDX): Located just approximately 6 miles from Seattle - Tacoma International Airport (SEA), Boeing Field Airport (BFI) offers convenient access for travelers heading to Portland.

How to find the best prices for flights from Seattle (SEA) to Portland (PDX)

Getting some of the best deals on flights from Seattle to Portland is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Morning departures, from 5 am to 12 pm, generally offer lower prices and are the most popular flight times. Additionally, flying on Friday provides both more affordable options and is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Portland International Airport from Seattle - Tacoma International Airport

Portland welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Portland efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Portland, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Portland International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Portland International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Portland International Airport, several convenient transport options are within walking distance. Both Portland International Airport Bus Stop, a bus station, and Portland International Airport Station, a metro station, are located about 0.3 miles from the airport. For train travel, Portland Union Station is approximately 9 miles away by car.

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 $137 and cheap return flights from $237 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.

Travel information

0
Origin airport
Seattle - Tacoma Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$234
Distance
128 mi

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 November. 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 $137 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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