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Cheap flights from Denver to Great Falls from $139

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Great Falls departing on 6/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:29 am - 1:33 pm
DEN
-
GTF
2h 04mnonstop
United Airlines Logo
6:15 am - 8:24 am
GTF
-
DEN
2h 09mnonstop
$199United Airlines
Fri, Mar 13 - Thu, Mar 19
Delta Logo
4:00 pm - 10:30 pm
DEN
-
GTF
6h 30m
1 stop
Delta Logo
6:22 pm - 10:30 pm
GTF
-
DEN
4h 08m
1 stop
$228Delta
Fri, Mar 13 - Mon, Mar 16
Delta Logo
5:30 am - 12:30 pm
DEN
-
GTF
7h 00m
1 stop
Delta Logo
6:20 pm - 10:27 pm
GTF
-
DEN
4h 07m
1 stop
$238Delta
Thu, Feb 26 - Thu, Mar 5
Delta Logo
5:30 am - 12:30 pm
DEN
-
GTF
7h 00m
1 stop
Delta Logo
5:20 am - 9:24 am
GTF
-
DEN
4h 04m
1 stop
$248Delta
Thu, Feb 26 - Sat, Mar 7
Alaska Airlines Logo
7:00 am - 4:17 pm
DEN
-
GTF
9h 17m
1 stop
Alaska Airlines Logo
6:28 pm - 11:59 pm
GTF
-
DEN
5h 31m
1 stop
$253Alaska Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
11:29 am - 1:33 pm
DEN
-
GTF
2h 04mnonstop
United Airlines Logo
6:15 am - 8:24 am
GTF
-
DEN
2h 09mnonstop
$269United Airlines
Sat, Mar 7 - Wed, Mar 11
Delta Logo
7:55 am - 12:27 pm
DEN
-
GTF
4h 32m
1 stop
Delta Logo
6:20 pm - 10:41 pm
GTF
-
DEN
4h 21m
1 stop
$273Delta
Thu, May 21 - Mon, May 25
Delta Logo
6:25 pm - 10:29 pm
DEN
-
GTF
4h 04m
1 stop
Delta Logo
6:20 pm - 10:29 pm
GTF
-
DEN
4h 09m
1 stop
$283Delta
Fri, May 1 - Tue, May 5
United Airlines Logo
7:23 pm - 9:19 pm
DEN
-
GTF
1h 56mnonstop
United Airlines Logo
6:15 am - 8:14 am
GTF
-
DEN
1h 59mnonstop
$289United Airlines
Fri, Jun 12 - Fri, Jun 19
Delta Logo
6:25 pm - 10:29 pm
DEN
-
GTF
4h 04m
1 stop
Delta Logo
5:30 am - 9:14 am
GTF
-
DEN
3h 44m
1 stop
$303Delta
Fri, Apr 24 - Sun, Apr 26

Delta flights from Denver to Great Falls

Our best Delta deals on Denver to Great Falls flight tickets
Delta
Jul 10
DEN6:25 pmDenver Intl
4h 19m
1 stop
GTF10:44 pmGreat Falls
Jul 17
GTF6:20 pmGreat Falls
4h 11m
1 stop
DEN10:31 pmDenver Intl
$218
Delta
Mar 13
DEN6:15 pmDenver Intl
4h 15m
1 stop
GTF10:30 pmGreat Falls
Mar 19
GTF5:30 amGreat Falls
3h 58m
1 stop
DEN9:28 amDenver Intl
$228
Delta
Feb 26
DEN5:30 amDenver Intl
7h 00m
1 stop
GTF12:30 pmGreat Falls
Mar 5
GTF6:20 pmGreat Falls
4h 07m
1 stop
DEN10:27 pmDenver Intl
$238

Alaska Airlines flights from Denver to Great Falls

Our best Alaska Airlines deals on Denver to Great Falls flight tickets
Alaska Airlines
Feb 24
DEN7:00 amDenver Intl
9h 17m
1 stop
GTF4:17 pmGreat Falls
Feb 28
GTF6:28 pmGreat Falls
5h 31m
1 stop
DEN11:59 pmDenver Intl
$253
Alaska Airlines
Feb 19
DEN7:52 pmDenver Intl
20h 25m
1 stop
GTF4:17 pmGreat Falls
Feb 23
GTF4:57 pmGreat Falls
7h 02m
1 stop
DEN11:59 pmDenver Intl
$293
Alaska Airlines
May 21
DEN8:00 amDenver Intl
10h 12m
2 stops
GTF6:12 pmGreat Falls
May 25
GTF6:52 pmGreat Falls
17h 08m
1 stop
DEN12:00 pmDenver Intl
$313

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Great Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Denver to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 3/13

11:29 am-1:33 pm

Nonstop2h 04m

Great Falls

Thu 3/19

6:15 am-8:24 am

Nonstop2h 09m

$199

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 3/13

4:00 pm-10:30 pm

1 stop6h 30m

Great Falls

Mon 3/16

6:22 pm-10:30 pm

1 stop4h 08m

$228

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Thu 2/26

5:30 am-12:30 pm

1 stop7h 00m

Great Falls

Thu 3/5

6:20 pm-10:27 pm

1 stop4h 07m

$238

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Thu 2/26

5:30 am-12:30 pm

1 stop7h 00m

Great Falls

Sat 3/7

5:20 am-9:24 am

1 stop4h 04m

$248

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Tue 2/24

7:00 am-4:17 pm

1 stop9h 17m

Great Falls

Sat 2/28

6:28 pm-11:59 pm

1 stop5h 31m

$253

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Sat 3/7

11:29 am-1:33 pm

Nonstop2h 04m

Great Falls

Wed 3/11

6:15 am-8:24 am

Nonstop2h 09m

$269

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Thu 5/21

7:55 am-12:27 pm

1 stop4h 32m

Great Falls

Mon 5/25

6:20 pm-10:41 pm

1 stop4h 21m

$273

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 5/1

6:25 pm-10:29 pm

1 stop4h 04m

Great Falls

Tue 5/5

6:20 pm-10:29 pm

1 stop4h 09m

$283

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 6/12

7:23 pm-9:19 pm

Nonstop1h 56m

Great Falls

Fri 6/19

6:15 am-8:14 am

Nonstop1h 59m

$289

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 4/24

6:25 pm-10:29 pm

1 stop4h 04m

Great Falls

Sun 4/26

5:30 am-9:14 am

1 stop3h 44m

$303

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Great Falls from

How to get the cheapest flight ticket from Denver to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Great Falls?

The month of October is another great option to travel to Great Falls, with average flight prices from Denver averaging around $264.

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Wednesday when prices can be found for as low as $269. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $461.

What is the cheapest time of day to depart on your flight to Great Falls?

According to our data, the cheapest time of day to fly to Great Falls is in the evening. momondo users have found flights departing from Denver to Great Falls in the evening for as low as $279. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $334 on average. Flights to Great Falls from Denver in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Denver Intl to Great Falls flight route?

Fly from Denver Intl to Great Falls for the best Denver Intl - Great Falls flight prices

What cabin class options are available on Denver Intl to Great Falls flights?

There are 2 cabin classes available to choose from on Denver Intl to Great Falls flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Denver to Great Falls flights?

You could potentially save up to 50% on your flight if you consider stops on a Denver to Great Falls flight.

How have Denver to Great Falls flight prices changed over time?

As of February 2026, prices for Denver to Great Falls flights are approximately 42% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Great Falls (DEN to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Great Falls

Best Price Found

$218

Fastest flight time

1h 56m

Direct flights

Every day

Airports in Great Falls

1 airport
The best one-way flight to Great Falls from Denver in the past 72 hours is $218. The best round-trip flight deal from Denver to Great Falls found on momondo in the last 72 hours is $285.
The fastest flight from Denver to Great Falls takes 1h 56m
Direct flights go from Denver to Great Falls every day.
There is 1 airport in Great Falls. From Denver there are direct flights to Great Falls (GTF).
Search flight deals

  • How far is Denver Intl to Great Falls by plane?

    Great Falls is 621.5 mi away from Denver Intl. Typically, this will take 1h 56m by plane in normal conditions.

  • When did momondo last update prices for flights from Denver Intl Airport to Great Falls Airport?

    Prices for flights from Denver Intl Airport to Great Falls Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Great Falls Airport?

  • How old do you have to be to fly from Denver Intl Airport to Great Falls Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Denver Intl Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Denver to Great Falls?

  • What is the most popular airline from Denver to Great Falls?

Best airlines flying from Denver to Great Falls

Compare and see reviews for airlines that fly from Denver to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $144Free CancellationRating
7.9
8,180 reviews
Search Delta flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Great Falls

    United Airlines flight deals from Denver to Great Falls start from $209 round-trip. Over the 6 United Airlines flights for this route in a normal week, average airfare is usually $309 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Great Falls?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Great Falls. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Denver to Great Falls with flexible booking policies on momondo?

Yes. All flights to Great Falls from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to Great Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Great Falls.

I’m not ready to book a flight from Denver to Great Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Great Falls from Denver are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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