$114 Cheap Delta flights Portland (PWM) to Baltimore (BWI)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines round-trip flights from $216 from PWM to BWI. Affordable one-way fares from $114 are also on offer.**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 jet off to Baltimore with Delta Air Lines. You could also find fantastic deals on one-way and round-trip fares in February.

Look for affordable Delta Air Lines flights from Portland Intl. Jetport Airport (PWM) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) one to three months ahead of your departure day. 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 best day of the week to book a domestic flight is usually Sunday and the most expensive day 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.

To see if there’s a direct route from PWM to BWI with Delta Air Lines or another airline, check the “Nonstop” filter when looking for flights.

To find the earliest departures from PWM to BWI with Delta Air Lines, sort your results by “Early Morning” and “Morning.” Choosing an early flight generally means you’re 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.

Delta Air Lines flights from Portland Intl. Jetport Airport (PWM) to Baltimore come in to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This is the main entry point to this destination.

Delta Air Lines makes flying from PWM to BWI more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Delta SkyMiles. Remember to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For more details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your plans without additional costs, tick the “Changes included” and “No cancel fee” filters when organizing your next getaway.