Cheap Alaska Airlines flights Washington (DCA) to Portland (PDX)

Landing cheap one-way Alaska Airlines flights from DCA to PDX on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares for your next exciting vacation.**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.

January is one of the most affordable months to get away to Portland with Alaska Airlines. You could also find great prices on return and one-way fares in December.

Start searching one to three months ahead of your travel date to find cheaper fares on Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA) to Portland Intl. Airport (PDX). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*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 Ronald Reagan Washington National Airport (DCA) to Portland Intl. Airport (PDX), with 7 departures each week. Simply use the “Nonstop” and “Airline” filters during your search on Expedia to find all direct Alaska Airlines flights to PDX.

On average, it takes 6h 1m to fly nonstop from Ronald Reagan Washington National Airport (DCA) to Portland Intl. Airport (PDX) with Alaska Airlines.

The earliest Alaska Airlines flight from DCA to PDX departs at 6:55PM UTC-5, arriving at 9:56PM UTC-8. If you want to head off later, the last Alaska Airlines flight leaves DCA at 6:55PM UTC-5 and touches down at PDX at 9:56PM UTC-8. Flying before noon is generally a smart choice as morning and mid-morning flights are less likely to experience 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 main Portland gateway for Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA).

Alaska Airlines makes traveling from DCA to PDX more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Mileage Plan. Remember to join our 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 Ronald Reagan Washington National Airport (DCA) to Portland Intl. Airport (PDX) route, Alaska Airlines typically flies Boeing 737-800 and Boeing 737 MAX 8 planes. Remember that last-minute changes are possible for operational needs, so your flight could be on a different aircraft.

It’s generally possible to cancel or change your flight, although there may be a charge if your booking was made over 24 hours ago. Need to keep your options open? Make use of Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you have to adjust your plans. To make changes, visit “Trips,” select your flight and click on “Manage Booking” for more information.