$69 Cheap Delta flights Seattle (SEA) to Portland (PDX)

Grab affordable round-trip Delta Air Lines flights from $137 from SEA to PDX by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $69 for a one-way journey.**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.

Delta Air Lines flights to Portland are generally cheaper in the off-peak months of January and December. Whether you need a one-way or a return ticket, you could land a better deal then.

Begin your search one to three months before your departure to get cheap fares on Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic journeys.*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.

You can easily fly from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) on any of Delta Air Lines’s 48 weekly direct flights. Apply Expedia’s “Nonstop” and “Airline” filters to find the Delta Air Lines flight that’ll get you to PDX at your preferred time.

From takeoff to touchdown, a direct Delta Air Lines flight from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) takes approximately 1h 4m.

Delta Air Lines has the most flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX) on Thursday. With up to 7 daily departures, you’ll get the most options and flexibility on this day.

The earliest Delta Air Lines flight from SEA to PDX takes off at 7:25AM UTC-8, arriving at 8:32AM UTC-8. If you’d like to jet off later, the last Delta Air Lines flight leaves SEA at 10:59PM UTC-8 and lands at PDX at 11:58PM UTC-8. Flying earlier is generally a good option 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.

Delta Air Lines flights from Seattle - Tacoma Intl. Airport (SEA) to Portland come in to land at Portland Intl. Airport (PDX). This is the main entry point here.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many travelers flying from SEA to PDX. Also, if you’re a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Delta Air Lines usually flies Embraer 175 planes for flights from Seattle - Tacoma Intl. Airport (SEA) to Portland Intl. Airport (PDX). This airline also operates the Boeing 737-800 on this route. Remember that aircraft type can vary depending on operational requirements, so the plane you board could be different when you travel.

Depending on the ticket type you purchased, a fee will generally apply if you cancel or reschedule your flight more than 24 hours after confirmation. To secure flexible plane tickets, select our “No cancel fee” or “Changes included” filter when you search for flights. To learn more about changing or canceling your reservation, go to “Trips,” select your flight and tick “Manage Booking.”