$69 Cheap Alaska Airlines flights Seattle (SEA) to Portland (PDX)

Use the “Price (lowest to highest)” filter on Expedia to find cheap Alaska Airlines return flights from SEA to PDX. Affordable one-way fares from $69 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines flights to Portland tend to be cheaper in the off-peak months of January and December. Whether you’re searching for a one-way or round-trip ticket, you could score a better deal then.

Look for cheap Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Alaska Airlines offers direct flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX), with 87 weekly departures. Simply use the “Nonstop” and “Airline” filters during your search on Expedia to see all direct Alaska Airlines flights to PDX.

From wheels-up to touchdown, a nonstop Alaska Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) takes approximately 53m.

If you’re looking for flexibility, Thursday offers the most choice for Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX). Take your pick of 13 different departures.

The first Alaska Airlines flight from SEA to PDX departs at 6:42AM UTC-8, landing at 7:31AM UTC-8. If you’d like to head off later in the day, the last Alaska Airlines flight leaves SEA at 10:51PM UTC-8 and touches down at PDX at 11:43PM UTC-8. Flying before midday is generally a good idea as morning and mid-morning flights are least likely to face cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Portland Intl. Airport (PDX) is the primary Portland hub for Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA).

Alaska Airlines makes traveling from SEA to PDX more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You even have the chance to collect points with Mileage Plan. Be sure to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) route, Alaska Airlines typically operates Embraer 175 and Boeing 737 MAX 9 planes. Keep in mind that last-minute changes are possible for operational demands, so your flight may be on a different aircraft.

Changes are usually free within 24 hours of booking, but your airline may add a charge after that. For more details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to update your itinerary without being charged, tick the “Changes included” and “No cancel fee” filters when organizing your next getaway.