$219 Cheap Delta flights Detroit (DTW) to Harrisburg (MDT)

Set the "Price (lowest to highest)" filter on Expedia to search for cheap Delta Air Lines return flights from $299 from DTW to MDT. Affordable one-way fares from $219 are available too.**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.

Begin your search one to three months ahead of your departure date to score cheap fares on Delta Air Lines flights from Detroit Metropolitan Wayne County Airport (DTW) to Harrisburg Intl. Airport (MDT). 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.* Time it well, and you can enjoy significant savings on domestic trips.*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.

Leaving DTW at 2:45PM UTC-5, the earliest Delta Air Lines flight to MDT lands at 4:13PM UTC-5. Flying earlier in the day means you're less likely to experience delays.* Prefer a later start? The last Delta Air Lines flight from DTW to MDT departs at 3:50PM UTC-5 and touches down at 5:20PM UTC-5.*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.

Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a popular option for many passengers heading from DTW to MDT. Plus, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.