$119 Cheap Delta flights Baltimore (BWI) to Portland (PDX)

Grab affordable round-trip Delta Air Lines flights from $237 from BWI to PDX by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $119 for a one-way trip.**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 usually more affordable in the low-season months of January and December. Whether you’re in search of a round-trip or one-way ticket, you could score a better deal then.

Look for cheap Delta Air Lines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Portland Intl. Airport (PDX) one to three months before your day of departure. 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. Regardless of fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive day tends to be 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.

To figure out if there’s a direct journey from BWI to PDX with Delta Air Lines or any other airlines, check the “Nonstop” box when looking for tickets.

To find the earliest departure from BWI to PDX with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Booking an early flight generally means cancellations are less likely.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Portland touch down at Portland Intl. Airport (PDX). This is the main gateway to this destination.

Flying from BWI to PDX with Delta Air Lines comes with a host of benefits, including an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to redeem on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to cancel or reschedule your flight, although there may be additional charges if you made your booking more than 24 hours ago. Want to keep your options open? Use Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t penalize you if you need to alter your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for further information.