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Cheap flights from Great Falls to Denver from $101

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 4/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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 - 3:25 am
GTF
-
DEN
15h 43m
1 stop
Multiple Airlines Logo
12:34 pm - 10:52 am
DEN
-
GTF
22h 18m
1 stop
$243Multiple Airlines
Mon, May 4 - Sun, May 10
United Airlines Logo
6:15 am - 8:20 am
GTF
-
DEN
2h 05mnonstop
United Airlines Logo
7:15 pm - 9:17 pm
DEN
-
GTF
2h 02mnonstop
$259United Airlines
Fri, Apr 17 - Sun, Apr 19
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
DEN
5h 44m
1 stop
Alaska Airlines Logo
12:20 pm - 6:12 pm
DEN
-
GTF
5h 52m
1 stop
$267Alaska Airlines
Sun, May 10 - Wed, May 13
Multiple Airlines Logo
11:42 am - 3:25 am
GTF
-
DEN
15h 43m
1 stop
Multiple Airlines Logo
6:10 am - 10:52 am
DEN
-
GTF
28h 42m
1 stop
$276Multiple Airlines
Mon, May 11 - Sun, May 17
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
DEN
5h 44m
1 stop
Alaska Airlines Logo
12:20 pm - 6:12 pm
DEN
-
GTF
5h 52m
1 stop
$277Alaska Airlines
Sun, May 10 - Thu, May 14
Delta Logo
6:19 pm - 10:40 pm
GTF
-
DEN
4h 21m
1 stop
Delta Logo
7:55 am - 12:27 pm
DEN
-
GTF
4h 32m
1 stop
$278Delta
Fri, May 15 - Wed, May 20
United Airlines Logo
6:15 am - 8:15 am
GTF
-
DEN
2h 00mnonstop
United Airlines Logo
11:36 am - 1:32 pm
DEN
-
GTF
1h 56mnonstop
$279United Airlines
Fri, Aug 7 - Fri, Aug 21
Multiple Airlines Logo
11:42 am - 11:15 pm
GTF
-
DEN
11h 33m
2 stops
Multiple Airlines Logo
12:34 pm - 10:52 am
DEN
-
GTF
22h 18m
1 stop
$293Multiple Airlines
Mon, May 4 - Sun, May 10
Multiple Airlines Logo
11:42 am - 3:25 am
GTF
-
DEN
15h 43m
1 stop
Multiple Airlines Logo
6:10 am - 10:52 am
DEN
-
GTF
28h 42m
1 stop
$294Multiple Airlines
Mon, May 4 - Thu, May 7
Alaska Airlines Logo
6:15 pm - 11:59 pm
GTF
-
DEN
5h 44m
1 stop
Alaska Airlines Logo
8:00 am - 5:35 pm
DEN
-
GTF
9h 35m
1 stop
$295Alaska Airlines
Fri, May 1 - Wed, May 6

Alaska Airlines flights from Great Falls to Denver

Our best Alaska Airlines deals on Great Falls to Denver flight tickets
Alaska Airlines
May 10
GTF6:15 pmGreat Falls
5h 44m
1 stop
DEN11:59 pmDenver Intl
May 13
DEN12:20 pmDenver Intl
5h 52m
1 stop
GTF6:12 pmGreat Falls
$267
Alaska Airlines
May 10
GTF6:15 pmGreat Falls
5h 44m
1 stop
DEN11:59 pmDenver Intl
May 14
DEN12:20 pmDenver Intl
5h 52m
1 stop
GTF6:12 pmGreat Falls
$277
Alaska Airlines
May 1
GTF6:15 pmGreat Falls
5h 44m
1 stop
DEN11:59 pmDenver Intl
May 6
DEN8:00 amDenver Intl
9h 35m
1 stop
GTF5:35 pmGreat Falls
$295

Delta flights from Great Falls to Denver

Our best Delta deals on Great Falls to Denver flight tickets
Delta
May 15
GTF6:19 pmGreat Falls
4h 21m
1 stop
DEN10:40 pmDenver Intl
May 20
DEN7:55 amDenver Intl
4h 32m
1 stop
GTF12:27 pmGreat Falls
$278
Delta
May 2
GTF5:30 amGreat Falls
3h 43m
1 stop
DEN9:13 amDenver Intl
May 9
DEN3:49 pmDenver Intl
6h 37m
1 stop
GTF10:26 pmGreat Falls
$298
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
$303

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 March 20, 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

Cheapest round-trip

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 5/4

11:42 am-3:25 am

1 stop15h 43m

Denver Intl

Sun 5/10

12:34 pm-10:52 am

1 stop22h 18m

$243

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 4/17

6:15 am-8:20 am

Nonstop2h 05m

Denver Intl

Sun 4/19

7:15 pm-9:17 pm

Nonstop2h 02m

$259

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sun 5/10

6:15 pm-11:59 pm

1 stop5h 44m

Denver Intl

Wed 5/13

12:20 pm-6:12 pm

1 stop5h 52m

$267

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 5/11

11:42 am-3:25 am

1 stop15h 43m

Denver Intl

Sun 5/17

6:10 am-10:52 am

1 stop28h 42m

$276

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sun 5/10

6:15 pm-11:59 pm

1 stop5h 44m

Denver Intl

Thu 5/14

12:20 pm-6:12 pm

1 stop5h 52m

$277

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 5/15

6:19 pm-10:40 pm

1 stop4h 21m

Denver Intl

Wed 5/20

7:55 am-12:27 pm

1 stop4h 32m

$278
Quickest round-trip

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 8/7

6:15 am-8:15 am

Nonstop2h 00m

Denver Intl

Fri 8/21

11:36 am-1:32 pm

Nonstop1h 56m

$279

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 5/4

11:42 am-11:15 pm

2 stops11h 33m

Denver Intl

Sun 5/10

12:34 pm-10:52 am

1 stop22h 18m

$293

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 5/4

11:42 am-3:25 am

1 stop15h 43m

Denver Intl

Thu 5/7

6:10 am-10:52 am

1 stop28h 42m

$294

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 5/1

6:15 pm-11:59 pm

1 stop5h 44m

Denver Intl

Wed 5/6

8:00 am-5:35 pm

1 stop9h 35m

$295

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 March. Flight prices, which tend to average around $243, 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 $656.

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 $522. Flights in the morning are often more expensive with an average ticket price of $596.

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 18% 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

$242

Fastest flight time

2h 00m

Direct flights

Mon, Wed, Thu, Sat and Sun

Airports in Denver

1 airport
The best one-way flight to Denver from Great Falls in the past 72 hours is $242. The best round-trip flight deal from Great Falls to Denver found on momondo in the last 72 hours is $343.
The fastest flight from Great Falls to Denver takes 2h 00m
Direct flights go from Great Falls to Denver on Monday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
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 00m, 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
9,450 reviews
Search United Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,302 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 12 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 $298. 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
Boulder
Greeley
Cripple Creek
Keystone
Lakewood
Westminster
Thornton
Frisco
Winter Park
Grand Lake
Centennial
Englewood
Copper Mountain

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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