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Cheap flights from Great Falls to Denver 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 Great Falls to Denver departing on 7/27. 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.
Multiple Airlines Logo
11:42 am - 3:59 am
GTF
-
DEN
16h 17m
1 stop
Multiple Airlines Logo
6:30 am - 8:41 pm
DEN
-
GTF
14h 11m
1 stop
$192Multiple Airlines
Mon, Apr 13 - Thu, Apr 16
United Airlines Logo
6:15 am - 8:24 am
GTF
-
DEN
2h 09mnonstop
United Airlines Logo
7:07 pm - 9:11 pm
DEN
-
GTF
2h 04mnonstop
$199United Airlines
Fri, Mar 20 - Sun, Mar 22
Multiple Airlines Logo
11:42 am - 3:59 am
GTF
-
DEN
16h 17m
1 stop
Multiple Airlines Logo
6:26 am - 10:52 am
DEN
-
GTF
28h 26m
2 stops
$211Multiple Airlines
Mon, Apr 13 - Thu, Apr 16
Alaska Airlines Logo
5:06 pm - 11:56 pm
GTF
-
DEN
6h 50m
1 stop
Alaska Airlines Logo
7:00 am - 4:26 pm
DEN
-
GTF
9h 26m
1 stop
$215Alaska Airlines
Sun, Apr 19 - Tue, Apr 21
Delta Logo
6:22 pm - 10:31 pm
GTF
-
DEN
4h 09m
1 stop
Delta Logo
4:00 pm - 10:30 pm
DEN
-
GTF
6h 30m
1 stop
$218Delta
Tue, Apr 7 - Sat, Apr 11
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
DEN
5h 44m
1 stop
Alaska Airlines Logo
6:00 am - 5:35 pm
DEN
-
GTF
11h 35m
1 stop
$235Alaska Airlines
Sun, Apr 26 - Wed, Apr 29
Delta Logo
5:30 am - 9:13 am
GTF
-
DEN
3h 43m
1 stop
Delta Logo
7:55 am - 12:27 pm
DEN
-
GTF
4h 32m
1 stop
$238Delta
Sat, May 2 - Sat, May 9
United Airlines Logo
6:15 am - 8:24 am
GTF
-
DEN
2h 09mnonstop
United Airlines Logo
7:07 pm - 9:11 pm
DEN
-
GTF
2h 04mnonstop
$249United Airlines
Fri, Mar 20 - Mon, Mar 23
Delta Logo
5:30 am - 9:28 am
GTF
-
DEN
3h 58m
1 stop
Delta Logo
6:15 pm - 10:30 pm
DEN
-
GTF
4h 15m
1 stop
$258Delta
Fri, Mar 20 - Mon, Mar 23
United Airlines Logo
2:35 pm - 4:41 pm
GTF
-
DEN
2h 06mnonstop
United Airlines Logo
7:15 pm - 9:18 pm
DEN
-
GTF
2h 03mnonstop
$265United Airlines
Thu, May 7 - Mon, May 11

United Airlines flights from Great Falls to Denver

Our best United Airlines deals on Great Falls to Denver flight tickets
United Airlines
Mar 20
GTF6:15 amGreat Falls
2h 09m
DEN8:24 amDenver Intl
Mar 22
DEN7:07 pmDenver Intl
2h 04m
GTF9:11 pmGreat Falls
$199
United Airlines
Mar 20
GTF6:15 amGreat Falls
2h 09m
DEN8:24 amDenver Intl
Mar 23
DEN7:07 pmDenver Intl
2h 04m
GTF9:11 pmGreat Falls
$249
United Airlines
May 7
GTF2:35 pmGreat Falls
2h 06m
DEN4:41 pmDenver Intl
May 11
DEN7:15 pmDenver Intl
2h 03m
GTF9:18 pmGreat Falls
$265

Delta flights from Great Falls to Denver

Our best Delta deals on Great Falls to Denver flight tickets
Delta
Apr 7
GTF6:22 pmGreat Falls
4h 09m
1 stop
DEN10:31 pmDenver Intl
Apr 11
DEN4:00 pmDenver Intl
6h 30m
1 stop
GTF10:30 pmGreat Falls
$218
Delta
May 2
GTF5:30 amGreat Falls
3h 43m
1 stop
DEN9:13 amDenver Intl
May 9
DEN7:55 amDenver Intl
4h 32m
1 stop
GTF12:27 pmGreat Falls
$238
Delta
Mar 20
GTF5:30 amGreat Falls
3h 58m
1 stop
DEN9:28 amDenver Intl
Mar 23
DEN6:15 pmDenver Intl
4h 15m
1 stop
GTF10:30 pmGreat Falls
$258

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 February 26, 2026.
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

Mon 4/13

11:42 am-3:59 am

1 stop16h 17m

Denver Intl

Thu 4/16

6:30 am-8:41 pm

1 stop14h 11m

$192

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 3/20

6:15 am-8:24 am

Nonstop2h 09m

Denver Intl

Sun 3/22

7:07 pm-9:11 pm

Nonstop2h 04m

$199

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 4/13

11:42 am-3:59 am

1 stop16h 17m

Denver Intl

Thu 4/16

6:26 am-10:52 am

2 stops28h 26m

$211

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sun 4/19

5:06 pm-11:56 pm

1 stop6h 50m

Denver Intl

Tue 4/21

7:00 am-4:26 pm

1 stop9h 26m

$215

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 4/7

6:22 pm-10:31 pm

1 stop4h 09m

Denver Intl

Sat 4/11

4:00 pm-10:30 pm

1 stop6h 30m

$218

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sun 4/26

6:15 pm-11:59 pm

1 stop5h 44m

Denver Intl

Wed 4/29

6:00 am-5:35 pm

1 stop11h 35m

$235

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 5/2

5:30 am-9:13 am

1 stop3h 43m

Denver Intl

Sat 5/9

7:55 am-12:27 pm

1 stop4h 32m

$238

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 3/20

6:15 am-8:24 am

Nonstop2h 09m

Denver Intl

Mon 3/23

7:07 pm-9:11 pm

Nonstop2h 04m

$249

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 3/20

5:30 am-9:28 am

1 stop3h 58m

Denver Intl

Mon 3/23

6:15 pm-10:30 pm

1 stop4h 15m

$258

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 5/7

2:35 pm-4:41 pm

Nonstop2h 06m

Denver Intl

Mon 5/11

7:15 pm-9:18 pm

Nonstop2h 03m

$265

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 March. Flight prices, which tend to average around $199, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in March, then you should wait until November to fly from Great Falls, when ticket prices are also cheap, with an average price of $253.

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 $489. 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 $660.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $534. Flights in the morning are often more expensive with an average ticket price of $604.

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?

No. A direct flight is the cheapest option for a flight between Great Falls to Denver.

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

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

$270

Fastest flight time

2h 05m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Great Falls in the past 72 hours is $270. The best round-trip flight deal from Great Falls to Denver found on momondo in the last 72 hours is $360.
The fastest flight from Great Falls to Denver takes 2h 05m
Direct flights go from Great Falls to Denver every day.
There is 1 airport in Denver. From Great Falls there are direct flights to 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 2h 05m, 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 $198Free CancellationRating
7.4
9,348 reviews
Search United Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,237 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 $198 round-trip, up to an average price of $306. 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
Manitou Springs
Boulder
Longmont
Cripple Creek
Greeley
Keystone
Lakewood
Westminster
Thornton
Frisco
Winter Park
Centennial
Copper Mountain
Grand Lake
Englewood

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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