$128 Cheap Delta flights Duluth (DLH) to Denver (DEN)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Delta Air Lines return flights from $211 from DLH to DEN. Affordable one-way options from $128 are available as well.**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 cheapest months to jet off to Denver with Delta Air Lines. You could also find fantastic deals on return and one-way fares in November.

Begin your search one to three months before your departure to get cheaper fares on Delta Air Lines flights from Duluth Intl. Airport (DLH) to Denver Intl. Airport (DEN). 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.* Get the timing right, and you can enjoy significant savings on domestic flights.*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.

Simply enter your dates, hit search and use the “Nonstop” filter on Expedia to browse any direct flights from DLH to DEN with Delta Air Lines or another airline.

Search Delta Air Lines’s earliest flights from DLH to DEN by checking our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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 Duluth Intl. Airport (DLH) to Denver arrive at Denver Intl. Airport (DEN). This is the main gateway to this city.

Flying from DLH to DEN with Delta Air Lines means enjoying plenty of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That’s on top of 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.

Depending on the type of ticket you purchased, a fee may apply if you cancel or reschedule your booking more than 24 hours after confirmation. To find flexible fares, select our “Changes included” or “No cancel fee” filter when you look for flights. To learn more about canceling or modifying your reservation, go to “Trips,” select your flight and click on “Manage Booking.”