$161 Cheap Delta flights Baltimore (BWI) to Duluth (DLH)

You can discover budget-friendly return Delta Air Lines flights from $268 from BWI to DLH by sorting your results from “Price (lowest to highest)” on Expedia. Or look for deals from $161 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.

January is one of the least expensive months to fly to Duluth with Delta Air Lines. You could also find great deals on return and one-way fares in February.

Start searching one to three months ahead of your departure date to get cheaper fares on Delta Air Lines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Duluth Intl. Airport (DLH). 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 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.* Get your timing spot on, 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.

To find out if there’s a direct route from BWI to DLH with Delta Air Lines or another carrier, check the “Nonstop” box when searching for flights.

Sort your results by “Morning” and “Early Morning” to see the earliest flights from BWI to DLH. Setting off early 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.

Hop on a Delta Air Lines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Duluth, and you’re most likely to land at Duluth Intl. Airport (DLH). This is the airline’s primary hub in this destination.

Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a top choice for many passengers heading from BWI to DLH. Plus, 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 getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Typically, you can cancel or reschedule your flight, although there may be a charge if you booked over 24 hours ago. Prefer to keep your options open? Use Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you need to adjust your plans. To make modifications, visit “Trips,” select your flight and click on “Manage Booking” for more details.