$177 Cheap Delta flights Great Falls (GTF) to Denver (DEN)

Landing cheap one-way Delta Air Lines flights from GTF to DEN from $177 on Expedia is simple — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $218 for your next exciting getaway.**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 fly to Denver with Delta Air Lines. You could also find excellent prices on one-way and round-trip fares in November.

Begin your search one to three months ahead of your travel date to score cheaper fares on Delta Air Lines flights from Great Falls Intl. Airport (GTF) 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 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.* Get your 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.

To figure out if there’s a direct trip from GTF to DEN with Delta Air Lines or another airline, select the “Nonstop” filter when browsing for flights.

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

Board a Delta Air Lines flight from Great Falls Intl. Airport (GTF) to Denver, and you’ll likely touch down at Denver Intl. Airport (DEN). This is the airline’s main hub in this city.

Delta Air Lines makes flying from GTF to DEN more comfortable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Be sure to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*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 typically applies if you cancel or reschedule your booking more than 24 hours after it’s been confirmed. To find flexible plane tickets, select our “Changes included” or “No cancel fee” filter while looking for flights. For more information on changing or canceling your reservation, go to “Trips,” select your flight and tick “Manage Booking.”