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Cheap flights from Great Falls to Denver from $99

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 2/28. 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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Find the cheapest flights from Great Falls to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 8:20 am
GTF
-
DEN
2h 05mnonstop
United Airlines Logo
11:32 am - 1:31 pm
DEN
-
GTF
1h 59mnonstop
$199United Airlines
Sat, Apr 4 - Sun, Apr 5
United Airlines Logo
6:15 am - 8:14 am
GTF
-
DEN
1h 59mnonstop
United Airlines Logo
7:23 pm - 9:19 pm
DEN
-
GTF
1h 56mnonstop
$209United Airlines
Wed, Jul 22 - Mon, Jul 27
United Airlines Logo
6:15 am - 8:14 am
GTF
-
DEN
1h 59mnonstop
United Airlines Logo
7:23 pm - 9:19 pm
DEN
-
GTF
1h 56mnonstop
$215United Airlines
Mon, Jun 1 - Mon, Jun 15
Delta Logo
5:30 am - 9:28 am
GTF
-
DEN
3h 58m
1 stop
Delta Logo
12:30 pm - 5:42 pm
DEN
-
GTF
5h 12m
1 stop
$218Delta
Sat, Apr 4 - Wed, Apr 8
United Airlines Logo
2:25 pm - 4:40 pm
GTF
-
DEN
2h 15mnonstop
United Airlines Logo
7:07 pm - 9:11 pm
DEN
-
GTF
2h 04mnonstop
$219United Airlines
Mon, Mar 2 - Mon, Mar 9
Multiple Airlines Logo
10:45 am - 3:56 am
GTF
-
DEN
17h 11m
1 stop
Multiple Airlines Logo
6:00 am - 9:30 am
DEN
-
GTF
27h 30m
1 stop
$229Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Delta Logo
6:20 pm - 10:27 pm
GTF
-
DEN
4h 07m
1 stop
Delta Logo
6:20 pm - 10:29 pm
DEN
-
GTF
4h 09m
1 stop
$238Delta
Thu, Feb 19 - Tue, Feb 24
Multiple Airlines Logo
10:45 am - 3:56 am
GTF
-
DEN
17h 11m
1 stop
Multiple Airlines Logo
6:00 am - 9:30 am
DEN
-
GTF
27h 30m
1 stop
$242Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Multiple Airlines Logo
10:45 am - 3:56 am
GTF
-
DEN
17h 11m
1 stop
Multiple Airlines Logo
9:00 am - 9:30 am
DEN
-
GTF
24h 30m
2 stops
$244Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
United Airlines Logo
6:15 am - 8:21 am
GTF
-
DEN
2h 06mnonstop
United Airlines Logo
7:15 pm - 9:18 pm
DEN
-
GTF
2h 03mnonstop
$249United Airlines
Fri, May 1 - Mon, May 4

Alaska Airlines flights from Great Falls to Denver

Our best Alaska Airlines deals on Great Falls to Denver flight tickets
Alaska Airlines
Apr 26
GTF6:15 pmGreat Falls
5h 44m
1 stop
DEN11:59 pmDenver Intl
Apr 29
DEN11:50 amDenver Intl
5h 45m
1 stop
GTF5:35 pmGreat Falls
$278
Alaska Airlines
Mar 2
GTF4:57 pmGreat Falls
7h 02m
1 stop
DEN11:59 pmDenver Intl
Mar 9
DEN1:10 pmDenver Intl
27h 07m
2 stops
GTF4:17 pmGreat Falls
$321
Alaska Airlines
Apr 26
GTF6:15 pmGreat Falls
5h 44m
1 stop
DEN11:59 pmDenver Intl
Apr 30
DEN11:50 amDenver Intl
5h 45m
1 stop
GTF5:35 pmGreat Falls
$323

United Airlines flights from Great Falls to Denver

Our best United Airlines deals on Great Falls to Denver flight tickets
United Airlines
Apr 4
GTF6:15 amGreat Falls
2h 05m
DEN8:20 amDenver Intl
Apr 11
DEN7:15 pmDenver Intl
2h 02m
GTF9:17 pmGreat Falls
$199
United Airlines
Jul 22
GTF6:15 amGreat Falls
1h 59m
DEN8:14 amDenver Intl
Jul 27
DEN7:23 pmDenver Intl
1h 56m
GTF9:19 pmGreat Falls
$209
United Airlines
Jun 1
GTF6:15 amGreat Falls
1h 59m
DEN8:14 amDenver Intl
Jun 15
DEN7:23 pmDenver Intl
1h 56m
GTF9:19 pmGreat Falls
$215

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 5, 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

Sat 4/4

6:15 am-8:20 am

Nonstop2h 05m

Denver Intl

Sun 4/5

11:32 am-1:31 pm

Nonstop1h 59m

$199

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Wed 7/22

6:15 am-8:14 am

Nonstop1h 59m

Denver Intl

Mon 7/27

7:23 pm-9:19 pm

Nonstop1h 56m

$209

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 6/1

6:15 am-8:14 am

Nonstop1h 59m

Denver Intl

Mon 6/15

7:23 pm-9:19 pm

Nonstop1h 56m

$215

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 4/4

5:30 am-9:28 am

1 stop3h 58m

Denver Intl

Wed 4/8

12:30 pm-5:42 pm

1 stop5h 12m

$218

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 3/2

2:25 pm-4:40 pm

Nonstop2h 15m

Denver Intl

Mon 3/9

7:07 pm-9:11 pm

Nonstop2h 04m

$219

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 3/9

10:45 am-3:56 am

1 stop17h 11m

Denver Intl

Thu 3/12

6:00 am-9:30 am

1 stop27h 30m

$229

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 2/19

6:20 pm-10:27 pm

1 stop4h 07m

Denver Intl

Tue 2/24

6:20 pm-10:29 pm

1 stop4h 09m

$238

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 3/9

10:45 am-3:56 am

1 stop17h 11m

Denver Intl

Thu 3/12

6:00 am-9:30 am

1 stop27h 30m

$242

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 3/9

10:45 am-3:56 am

1 stop17h 11m

Denver Intl

Thu 3/12

9:00 am-9:30 am

2 stops24h 30m

$244

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 5/1

6:15 am-8:21 am

Nonstop2h 06m

Denver Intl

Mon 5/4

7:15 pm-9:18 pm

Nonstop2h 03m

$249

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 cheapest month to fly to Denver?

The cheapest month to fly to Denver from Great Falls is in November. Flight prices, which tend to average around $253, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in November, then you should wait until February to fly from Great Falls, when ticket prices are also cheap, with an average price of $269.

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 $502. 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 $674.

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 $544. Flights in the morning are often more expensive with an average ticket price of $626.

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 59% 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?

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

$257

Fastest flight time

1h 48m

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 $257. The best round-trip flight deal from Great Falls to Denver found on momondo in the last 72 hours is $404.
The fastest flight from Great Falls to Denver takes 1h 48m
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 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 $198Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
DeltaPriceFrom $213Free CancellationRating
7.9
8,144 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 $309. 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
Longmont
Cripple Creek
Boulder
Keystone
Greeley
Lakewood
Westminster
Thornton
Frisco
Copper Mountain
Winter Park
Centennial
Englewood
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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