$99 Cheap Flights from Denver (DEN) to Great Falls (GTF)

View $99 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Great Falls, MT (GTF-Great Falls Intl.)

Cheap Flights from Denver to Great Falls (DEN-GTF)

Prices were available within the past 7 days and start at $99 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 7 - Sat, Jan 10
DEN
Denver
GTF
Great Falls
$199 Roundtrip, found 1 hour ago
$199
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jan 7 from Denver to Great Falls, returning Sat, Jan 10, priced at $199 found 1 hour ago
United
Wed, Nov 26 - Sat, Nov 29
DEN
Denver
GTF
Great Falls
$209 Roundtrip, found 4 days ago
$209
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 26 from Denver to Great Falls, returning Sat, Nov 29, priced at $209 found 4 days ago
Hawaiian Airlines
Thu, Feb 12 - Tue, Mar 3
DEN
Denver
GTF
Great Falls
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, Feb 12 from Denver to Great Falls, returning Tue, Mar 3, priced at $218 found 1 day ago
Delta
Fri, Jan 9 - Tue, Jan 13
DEN
Denver
GTF
Great Falls
$218 Roundtrip, just found
$218
Roundtrip
just found
Select Delta flight, departing Fri, Jan 9 from Denver to Great Falls, returning Tue, Jan 13, priced at $218 just found
United
Mon, Jan 19 - Sat, Jan 31
DEN
Denver
GTF
Great Falls
$219 Roundtrip, found 1 day ago
$219
Roundtrip
found 1 day ago
Select United flight, departing Mon, Jan 19 from Denver to Great Falls, returning Sat, Jan 31, priced at $219 found 1 day ago
Delta
Tue, Jan 6 - Tue, Jan 20
DEN
Denver
GTF
Great Falls
$236 Roundtrip, found 1 day ago
$236
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 6 from Denver to Great Falls, returning Tue, Jan 20, priced at $236 found 1 day ago
United
Wed, Jan 7 - Sat, Jan 10
DEN
Denver
GTF
Great Falls
$238 Roundtrip, found 1 hour ago
$238
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jan 7 from Denver to Great Falls, returning Sat, Jan 10, priced at $238 found 1 hour ago
United
Wed, Nov 12 - Sat, Nov 15
DEN
Denver
GTF
Great Falls
$239 Roundtrip, found 5 hours ago
$239
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Nov 12 from Denver to Great Falls, returning Sat, Nov 15, priced at $239 found 5 hours ago
Alaska Airlines
Tue, Feb 24 - Sat, Feb 28
DEN
Denver
GTF
Great Falls
$243 Roundtrip, found 8 hours ago
$243
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, Feb 24 from Denver to Great Falls, returning Sat, Feb 28, priced at $243 found 8 hours ago
United
Tue, Nov 18 - Sun, Nov 23
DEN
Denver
GTF
Great Falls
$244 Roundtrip, found 2 days ago
$244
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 18 from Denver to Great Falls, returning Sun, Nov 23, priced at $244 found 2 days ago

Find the cheapest month to fly from Denver (DEN) to Great Falls (GTF)

January is typically the cheapest month to fly

From $194 - $557 per traveler.

Alternative airports near Great Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Great Falls Intl. GTF. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $258
GTF
Great Falls Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $258

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF) cost?
Get a cheap one-way flight from $99 or cheap return flight from $199 from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
Flying in January can help you save, as it's the cheapest month for flights between DEN and GTF. You'll usually find the lowest fares during off-peak months.
Which airlines fly direct from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
When departing from Denver Intl. Airport (DEN), you can jump on a nonstop flight to Great Falls Intl. Airport (GTF) with United Airlines.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from DEN to GTF. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
When jetting out of Denver Intl. Airport (DEN), you can pick from an average of 2 daily nonstop flights to Great Falls Intl. Airport (GTF).
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
The 11 AM departures from DEN to GTF are the top choice for many travelers. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from DEN to GTF?
Fly on a Monday if you're after the largest selection of flights from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF).
What is the earliest flight from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
The first flight of the day taking off from Denver Intl. Airport (DEN) is at around 11:20AM UTC-7. Hop on this flight and you'll touch down at Great Falls Intl. Airport (GTF) at approximately 1:31PM UTC-7. The total flight duration is 2h 11m.
How long does it take to fly from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
The average flight time from DEN to GTF is 2 hours and 11 minutes, covering a total distance of 620 mi.
What airline has the least delays from DEN to GTF?
With 82% of flights generally landing on schedule, United Airlines has the best on-time performance for nonstop flights from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF). To check your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
To reach Great Falls Intl. Airport (GTF) on time, choose a flight that leaves Denver Intl. Airport (DEN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Great Falls from Denver Intl. Airport (DEN)?
Great Falls Intl. Airport (GTF) is the only airport in Great Falls with direct flights from Denver Intl. Airport (DEN). Check out the options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF) last-minute?
Last-minute bookings from DEN to GTF are typically more expensive. To lock in the best rates, start searching for flights as early as possible. That said, if you're flexible with your travel plans, you may land a cheap fare right before your trip.
Is it cheaper to book a DEN to GTF flight and hotel package?
You can save money by booking a DEN to GTF flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Great Falls Intl. Airport (GTF)?
In most cases, you can reschedule or cancel your DEN to GTF flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Origin airport
Denver Intl.
Destination airport
Great Falls Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$199
Distance
623 mi
Average flight time
2 hours 4 mins

Book with confidence

Denver to Great Falls Flights

The cheapest times to fly from Denver to Great Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Great Falls are during the month of January. You can find some of the cheapest flights from Denver to Great Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Great Falls

Sunday is one of the best days to book for cheap flights from Denver to Great Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Great Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Great Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $99 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Great Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Great Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to Great Falls Flights

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*Available to One Key members.