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Cheap flights from Great Falls to Denver from $195

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Great Falls to Denver departing on 9/25. 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 (GTF-DEN)

Cheap round-trip flights

United Airlines Logo
7:00 am - 8:55 amGTF-DEN
1h 55mnonstop
United Airlines Logo
11:30 am - 1:26 pmDEN-GTF
1h 56mnonstop
$195United Airlines
Find Deal
Thu, Sep 25 - Thu, Oct 2
United Airlines Logo
2:35 pm - 4:33 pmGTF-DEN
1h 58mnonstop
United Airlines Logo
11:42 am - 1:37 pmDEN-GTF
1h 55mnonstop
$215United Airlines
Find Deal
Sat, Sep 13 - Wed, Sep 17
Logo
10:27 pm - 11:10 amGTF-DEN
12h 43m1 stop
Logo
11:03 am - 9:32 pmDEN-GTF
10h 29m1 stop
$255
Find Deal
Fri, Oct 24 - Mon, Oct 27
United Airlines Logo
2:31 pm - 4:29 pmGTF-DEN
1h 58mnonstop
United Airlines Logo
7:15 pm - 9:11 pmDEN-GTF
1h 56mnonstop
$265United Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
Delta Logo
5:30 am - 12:03 pmGTF-DEN
6h 33m1 stop
Delta Logo
3:40 pm - 10:53 pmDEN-GTF
7h 13m1 stop
$274Delta
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Wed, Jan 7 - Mon, Feb 9
Logo
10:27 pm - 6:30 amGTF-DEN
32h 03m2 stops
Logo
1:56 pm - 9:32 pmDEN-GTF
7h 36m1 stop
$282
Find Deal
Fri, Oct 24 - Mon, Oct 27
Alaska Airlines Logo
6:15 pm - 12:27 pmGTF-DEN
18h 12m1 stop
Alaska Airlines Logo
8:02 pm - 6:10 pmDEN-GTF
22h 08m1 stop
$354Alaska Airlines
Find Deal
Sat, Oct 25 - Mon, Oct 27
Alaska Airlines Logo
6:15 pm - 10:35 amGTF-DEN
16h 20m2 stops
Alaska Airlines Logo
8:02 pm - 6:10 pmDEN-GTF
22h 08m1 stop
$363Alaska Airlines
Find Deal
Sat, Oct 25 - Mon, Oct 27
United Airlines Logo
7:00 am - 8:55 amGTF-DEN
1h 55mnonstop
United Airlines Logo
8:30 pm - 10:39 pmDEN-GTF
2h 09mnonstop
$365United Airlines
Find Deal
Sat, Oct 25 - Mon, Oct 27
Delta Logo
5:40 am - 9:18 amGTF-DEN
3h 38m1 stop
Delta Logo
6:25 pm - 10:28 pmDEN-GTF
4h 03m1 stop
$534Delta
Find Deal
Tue, Sep 30 - Tue, Sep 30

United Airlines flights from Great Falls to Denver

Our best United Airlines deals on Great Falls to Denver flight tickets
United Airlines
Sep 25
GTF7:00 amGreat Falls
1h 55m
DEN8:55 amDenver Intl
Oct 2
DEN11:30 amDenver Intl
1h 56m
GTF1:26 pmGreat Falls
$195
Find similar
United Airlines
Sep 13
GTF2:35 pmGreat Falls
1h 58m
DEN4:33 pmDenver Intl
Sep 17
DEN11:42 amDenver Intl
1h 55m
GTF1:37 pmGreat Falls
$215
Find similar
United Airlines
Oct 9
GTF2:31 pmGreat Falls
1h 58m
DEN4:29 pmDenver Intl
Oct 12
DEN7:15 pmDenver Intl
1h 56m
GTF9:11 pmGreat Falls
$265
Find similar

Delta flights from Great Falls to Denver

Our best Delta deals on Great Falls to Denver flight tickets
Delta
Jan 7
GTF5:30 amGreat Falls
6h 33m
1 stop
DEN12:03 pmDenver Intl
Feb 9
DEN3:40 pmDenver Intl
7h 13m
1 stop
GTF10:53 pmGreat Falls
$274
Find similar
Delta
Sep 12
GTF6:11 pmGreat Falls
4h 33m
1 stop
DEN10:44 pmDenver Intl
Sep 15
DEN6:25 pmDenver Intl
4h 03m
1 stop
GTF10:28 pmGreat Falls
$284
Find similar
Delta
Sep 6
GTF5:45 amGreat Falls
3h 29m
1 stop
DEN9:14 amDenver Intl
Sep 9
DEN6:25 pmDenver Intl
4h 20m
1 stop
GTF10:45 pmGreat Falls
$314
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 August 31, 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

Thu 9/25

7:00 am-8:55 am

Nonstop1h 55m

Denver Intl

Thu 10/2

11:30 am-1:26 pm

Nonstop1h 56m

$195

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 9/13

2:35 pm-4:33 pm

Nonstop1h 58m

Denver Intl

Wed 9/17

11:42 am-1:37 pm

Nonstop1h 55m

$215

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 10/24

10:27 pm-11:10 am

1 stop12h 43m

Denver Intl

Mon 10/27

11:03 am-9:32 pm

1 stop10h 29m

$255

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 10/9

2:31 pm-4:29 pm

Nonstop1h 58m

Denver Intl

Sun 10/12

7:15 pm-9:11 pm

Nonstop1h 56m

$265

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Wed 1/7

5:30 am-12:03 pm

1 stop6h 33m

Denver Intl

Mon 2/9

3:40 pm-10:53 pm

1 stop7h 13m

$274

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 10/24

10:27 pm-6:30 am

2 stops32h 03m

Denver Intl

Mon 10/27

1:56 pm-9:32 pm

1 stop7h 36m

$282

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 10/25

6:15 pm-12:27 pm

1 stop18h 12m

Denver Intl

Mon 10/27

8:02 pm-6:10 pm

1 stop22h 08m

$354

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 10/25

6:15 pm-10:35 am

2 stops16h 20m

Denver Intl

Mon 10/27

8:02 pm-6:10 pm

1 stop22h 08m

$363

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 10/25

7:00 am-8:55 am

Nonstop1h 55m

Denver Intl

Mon 10/27

8:30 pm-10:39 pm

Nonstop2h 09m

$365

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 9/30

5:40 am-9:18 am

1 stop3h 38m

Denver Intl

Tue 9/30

6:25 pm-10:28 pm

1 stop4h 03m

$534

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 June to fly from Great Falls, when ticket prices are also cheap, with an average price of $285.

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 Tuesday when prices can be found for as low as $605. 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 $712.

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 $677.

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

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Great Falls when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $354 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Great Falls for as low as $249 on momondo.

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 52% 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 August 2025, prices for Great Falls to Denver flights are approximately 5% more expensive 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

$284

Fastest flight time

1h 55m

Direct flights

Wed, 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 $284. The best round-trip flight deal from Great Falls to Denver found on momondo in the last 72 hours is $525.
The fastest flight from Great Falls to Denver takes 1h 55m
Direct flights go from Great Falls to Denver on Wednesday, 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 55m, 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 $214Free CancellationRating
7.4
8,941 reviews
Search United Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
7,976 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 $214 round-trip, up to an average price of $356. 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
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Longmont
Boulder
Manitou Springs
Lakewood
Greeley
Westminster
Thornton
Winter Park
Grand Lake
Copper Mountain
Frisco
Silverthorne
Centennial

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.

An easier way to manage your Denver trip

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