$108 Cheap Delta flights Denver (DEN) to Billings (BIL)

Grab cheap round-trip Delta Air Lines flights from $209 from DEN to BIL by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $108 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.

Look for return or one-way flights to Billings in January or November. You could find a cheap fare with Delta Air Lines during these off-peak times.

Begin your search one to three months before your departure to find cheaper fares on Delta Air Lines flights from Denver Intl. Airport (DEN) to Logan Intl. Airport (BIL). 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 reduce 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.

Fill in your dates, hit search and check the “Nonstop” filter on Expedia to browse any direct flights from DEN to BIL with Delta Air Lines or other carriers.

To find the earliest departure from DEN to BIL with Delta Air Lines, sort your results by “Early Morning” and “Morning.” Booking an early flight usually 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.

Logan Intl. Airport (BIL) is the primary Billings hub for Delta Air Lines flights from Denver Intl. Airport (DEN).

Delta Air Lines makes traveling from DEN to BIL more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start collecting points with Delta SkyMiles. Remember to sign up to Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee typically applies if you cancel or reschedule your flight more than 24 hours after it has been confirmed. To secure flexible fares, select our “Changes included” and “No cancel fee” boxes when you search for flights. To learn more about changing or canceling your reservation, go to “Trips,” select your flight and click on “Manage Booking.”