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Cheap flights from Great Falls to Denver from $94

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Denver departing on 3/11. 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

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Multiple Airlines Logo
10:56 am - 11:43 pmGTF-DEN
12h 47m1 stop
Multiple Airlines Logo
10:29 pm - 2:02 pmDEN-GTF
15h 33m1 stop
$233Multiple Airlines
Find Deal
Fri, Nov 21 - Tue, Nov 25
Delta Logo
6:08 pm - 10:29 pmGTF-DEN
4h 21m1 stop
Delta Logo
6:21 pm - 10:31 pmDEN-GTF
4h 10m1 stop
$238Delta
Find Deal
Thu, Feb 12 - Tue, Feb 17
United Airlines Logo
2:30 pm - 4:31 pmGTF-DEN
2h 01mnonstop
United Airlines Logo
11:31 am - 1:33 pmDEN-GTF
2h 02mnonstop
$256United Airlines
Find Deal
Fri, Nov 21 - Tue, Nov 25
Multiple Airlines Logo
10:56 am - 11:28 pmGTF-DEN
12h 32m2 stops
Multiple Airlines Logo
10:29 pm - 2:02 pmDEN-GTF
15h 33m1 stop
$263Multiple Airlines
Find Deal
Fri, Nov 21 - Tue, Nov 25
Alaska Airlines Logo
7:35 pm - 2:46 pmGTF-DEN
19h 11m1 stop
Alaska Airlines Logo
8:20 pm - 6:55 pmDEN-GTF
22h 35m1 stop
$264Alaska Airlines
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Mon, Dec 8 - Thu, Dec 11
United Airlines Logo
7:00 am - 8:48 amGTF-DEN
1h 48mnonstop
United Airlines Logo
7:15 pm - 9:15 pmDEN-GTF
2h 00mnonstop
$273United Airlines
Find Deal
Mon, Apr 27 - Fri, May 1
Alaska Airlines Logo
4:00 pm - 10:39 pmGTF-DEN
6h 39m1 stop
Alaska Airlines Logo
7:50 pm - 3:20 pmDEN-GTF
19h 30m1 stop
$275Alaska Airlines
Find Deal
Tue, Feb 24 - Thu, Feb 26
Alaska Airlines Logo
4:00 pm - 10:39 pmGTF-DEN
6h 39m1 stop
Alaska Airlines Logo
11:30 am - 3:20 pmDEN-GTF
27h 50m2 stops
$280Alaska Airlines
Find Deal
Tue, Feb 24 - Thu, Feb 26
Alaska Airlines Logo
4:00 pm - 10:39 pmGTF-DEN
6h 39m1 stop
Alaska Airlines Logo
7:00 am - 3:20 pmDEN-GTF
8h 20m1 stop
$282Alaska Airlines
Find Deal
Tue, Feb 24 - Thu, Feb 26
Alaska Airlines Logo
8:00 pm - 11:35 pmGTF-DEN
27h 35m1 stop
Alaska Airlines Logo
11:49 am - 7:20 pmDEN-GTF
31h 31m2 stops
$287Alaska Airlines
Find Deal
Sun, Feb 1 - Tue, Feb 3

Delta flights from Great Falls to Denver

Our best Delta deals on Great Falls to Denver flight tickets
Delta
Feb 12
GTF6:08 pmGreat Falls
4h 21m
1 stop
DEN10:29 pmDenver Intl
Feb 17
DEN6:21 pmDenver Intl
4h 10m
1 stop
GTF10:31 pmGreat Falls
$238
Find similar
Delta
Apr 16
GTF6:20 pmGreat Falls
4h 11m
1 stop
DEN10:31 pmDenver Intl
Apr 20
DEN5:40 amDenver Intl
6h 43m
1 stop
GTF12:23 pmGreat Falls
$358
Find similar
Delta
Apr 16
GTF1:10 pmGreat Falls
6h 00m
1 stop
DEN7:10 pmDenver Intl
Apr 20
DEN5:40 amDenver Intl
6h 43m
1 stop
GTF12:23 pmGreat Falls
$388
Find similar

Alaska Airlines flights from Great Falls to Denver

Our best Alaska Airlines deals on Great Falls to Denver flight tickets
Alaska Airlines
Dec 8
GTF7:35 pmGreat Falls
19h 11m
1 stop
DEN2:46 pmDenver Intl
Dec 11
DEN8:20 pmDenver Intl
22h 35m
1 stop
GTF6:55 pmGreat Falls
$264
Find similar
Alaska Airlines
Feb 24
GTF4:00 pmGreat Falls
6h 39m
1 stop
DEN10:39 pmDenver Intl
Feb 26
DEN7:50 pmDenver Intl
19h 30m
1 stop
GTF3:20 pmGreat Falls
$275
Find similar
Alaska Airlines
Feb 24
GTF4:00 pmGreat Falls
6h 39m
1 stop
DEN10:39 pmDenver Intl
Feb 26
DEN11:30 amDenver Intl
27h 50m
2 stops
GTF3:20 pmGreat Falls
$280
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Great Falls to Denver 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 November 6, 2025.
Use the filters below to find and compare flights from Great Falls to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 11/21

10:56 am-11:43 pm

1 stop12h 47m

Denver Intl

Tue 11/25

10:29 pm-2:02 pm

1 stop15h 33m

$233

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 2/12

6:08 pm-10:29 pm

1 stop4h 21m

Denver Intl

Tue 2/17

6:21 pm-10:31 pm

1 stop4h 10m

$238

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 11/21

2:30 pm-4:31 pm

Nonstop2h 01m

Denver Intl

Tue 11/25

11:31 am-1:33 pm

Nonstop2h 02m

$256

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 11/21

10:56 am-11:28 pm

2 stops12h 32m

Denver Intl

Tue 11/25

10:29 pm-2:02 pm

1 stop15h 33m

$263

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 12/8

7:35 pm-2:46 pm

1 stop19h 11m

Denver Intl

Thu 12/11

8:20 pm-6:55 pm

1 stop22h 35m

$264

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 4/27

7:00 am-8:48 am

Nonstop1h 48m

Denver Intl

Fri 5/1

7:15 pm-9:15 pm

Nonstop2h 00m

$273

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 2/24

4:00 pm-10:39 pm

1 stop6h 39m

Denver Intl

Thu 2/26

7:50 pm-3:20 pm

1 stop19h 30m

$275

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 2/24

4:00 pm-10:39 pm

1 stop6h 39m

Denver Intl

Thu 2/26

11:30 am-3:20 pm

2 stops27h 50m

$280

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 2/24

4:00 pm-10:39 pm

1 stop6h 39m

Denver Intl

Thu 2/26

7:00 am-3:20 pm

1 stop8h 20m

$282

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sun 2/1

8:00 pm-11:35 pm

1 stop27h 35m

Denver Intl

Tue 2/3

11:49 am-7:20 pm

2 stops31h 31m

$287

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 Denver from

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

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 typical price of a round-trip flight between Great Falls and Denver?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Great Falls is in February. Flight prices, which tend to average around $269, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in February, then you should wait until October to fly from Great Falls, when ticket prices are also cheap, with an average price of $279.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $559. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $698.

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

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $287. Flights in the morning are often more expensive with an average ticket price of $649.

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

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

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

There are 4 cabin classes available to choose from on Great Falls to Denver Intl 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 Great Falls to Denver flights?

You could potentially save up to 58% on your flight if you consider stops on a Great Falls to Denver flight.

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

As of November 2025, prices for Great Falls to Denver flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Great Falls to Denver

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

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

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

Best Price Found

$265

Fastest flight time

1h 48m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Denver

1 airport
The best one-way flight to Denver from Great Falls in the past 72 hours is $265. The best round-trip flight deal from Great Falls to Denver found on momondo in the last 72 hours is $399.
The fastest flight from Great Falls to Denver takes 1h 48m
Direct flights go from Great Falls to Denver on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

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

    Great Falls and Denver Intl are 621.5 mi apart from one another. Flights usually cover this in 1h 48m, depending on flying conditions and air traffic around both airports.

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

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

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

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

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The travel and health documents you'll need for your trip to Denver Intl 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 Denver Intl 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 Great Falls to Denver?

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

Best airlines flying from Great Falls to Denver

Compare and see reviews for airlines that fly from Great Falls to Denver with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $199Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
DeltaPriceFrom $213Free CancellationRating
7.9
8,001 reviews
Search Delta flights

  • United Airlines Flights From Great Falls to Denver

    United Airlines is one of the most popular airlines flying from Great Falls to Denver, operating 14 flights/week on average for this route. A good United Airlines flight deal for Great Falls to Denver starts from $199 round-trip, up to an average price of $330. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Breckenridge
Estes Park
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Great Falls to Denver. momondo saves you time and could save you money on your trip.

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

Flights from Great Falls to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Great Falls.

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

Price alerts on flights to Denver from Great Falls 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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