Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Great Falls to Denver from $144

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 1/20. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
7:15 pm - 9:17 pm
DEN
-
GTF
2h 02mnonstop
$199United Airlines
Thu, Apr 30 - Mon, May 4
Delta Logo
6:22 pm - 10:31 pm
GTF
-
DEN
4h 09m1 stop
Delta Logo
5:30 am - 12:27 pm
DEN
-
GTF
6h 57m1 stop
$218Delta
Thu, Apr 9 - Mon, Apr 13
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
$260United Airlines
Thu, Apr 9 - Mon, Apr 13
United Airlines Logo
2:25 pm - 4:30 pm
GTF
-
DEN
2h 05mnonstop
United Airlines Logo
11:31 am - 1:29 pm
DEN
-
GTF
1h 58mnonstop
$264United Airlines
Fri, May 1 - Sun, May 3
Delta Logo
6:15 pm - 10:36 pm
GTF
-
DEN
4h 21m1 stop
Delta Logo
7:00 am - 12:32 pm
DEN
-
GTF
5h 32m1 stop
$273Delta
Fri, Feb 6 - Tue, Feb 10
United Airlines Logo
2:29 pm - 4:40 pm
GTF
-
DEN
2h 11mnonstop
United Airlines Logo
11:30 am - 1:48 pm
DEN
-
GTF
2h 18mnonstop
$274United Airlines
Sat, Jan 24 - Sun, Jan 25
Delta Logo
1:12 pm - 8:07 pm
GTF
-
DEN
6h 55m1 stop
Delta Logo
5:15 am - 12:32 pm
DEN
-
GTF
7h 17m1 stop
$278Delta
Tue, Jan 27 - Sat, Jan 31
Delta Logo
1:12 pm - 7:58 pm
GTF
-
DEN
6h 46m1 stop
Delta Logo
5:15 am - 12:32 pm
DEN
-
GTF
7h 17m1 stop
$293Delta
Sat, Feb 7 - Tue, Feb 10
United Airlines Logo
2:29 pm - 4:40 pm
GTF
-
DEN
2h 11mnonstop
United Airlines Logo
11:30 am - 1:48 pm
DEN
-
GTF
2h 18mnonstop
$294United Airlines
Fri, Feb 6 - Tue, Feb 10
Alaska Airlines Logo
5:59 pm - 11:35 pm
GTF
-
DEN
5h 36m1 stop
Alaska Airlines Logo
11:49 am - 5:19 pm
DEN
-
GTF
29h 30m2 stops
$295Alaska Airlines
Fri, Feb 6 - Tue, Feb 10

United Airlines flights from Great Falls to Denver

Our best United Airlines deals on Great Falls to Denver flight tickets
United Airlines
Apr 30
GTF6:15 amGreat Falls
2h 05m
DEN8:20 amDenver Intl
May 4
DEN7:15 pmDenver Intl
2h 02m
GTF9:17 pmGreat Falls
$199
United Airlines
Apr 9
GTF6:15 amGreat Falls
2h 05m
DEN8:20 amDenver Intl
Apr 13
DEN11:32 amDenver Intl
1h 59m
GTF1:31 pmGreat Falls
$260
United Airlines
May 1
GTF2:25 pmGreat Falls
2h 05m
DEN4:30 pmDenver Intl
May 3
DEN11:31 amDenver Intl
1h 58m
GTF1:29 pmGreat Falls
$264

Delta flights from Great Falls to Denver

Our best Delta deals on Great Falls to Denver flight tickets
Delta
Apr 9
GTF6:22 pmGreat Falls
4h 09m
1 stop
DEN10:31 pmDenver Intl
Apr 13
DEN5:30 amDenver Intl
6h 57m
1 stop
GTF12:27 pmGreat Falls
$218
Delta
Feb 6
GTF6:15 pmGreat Falls
4h 21m
1 stop
DEN10:36 pmDenver Intl
Feb 10
DEN5:15 amDenver Intl
7h 17m
1 stop
GTF12:32 pmGreat Falls
$273
Delta
Jan 27
GTF1:12 pmGreat Falls
6h 55m
1 stop
DEN8:07 pmDenver Intl
Jan 31
DEN5:15 amDenver Intl
7h 17m
1 stop
GTF12:32 pmGreat Falls
$278

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 January 12, 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

Thu 4/30

6:15 am-8:20 am

Nonstop2h 05m

Denver Intl

Mon 5/4

7:15 pm-9:17 pm

Nonstop2h 02m

$199

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 4/9

6:22 pm-10:31 pm

1 stop4h 09m

Denver Intl

Mon 4/13

5:30 am-12:27 pm

1 stop6h 57m

$218

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 4/9

6:15 am-8:20 am

Nonstop2h 05m

Denver Intl

Mon 4/13

11:32 am-1:31 pm

Nonstop1h 59m

$260

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 5/1

2:25 pm-4:30 pm

Nonstop2h 05m

Denver Intl

Sun 5/3

11:31 am-1:29 pm

Nonstop1h 58m

$264

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 2/6

6:15 pm-10:36 pm

1 stop4h 21m

Denver Intl

Tue 2/10

7:00 am-12:32 pm

1 stop5h 32m

$273

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 1/24

2:29 pm-4:40 pm

Nonstop2h 11m

Denver Intl

Sun 1/25

11:30 am-1:48 pm

Nonstop2h 18m

$274

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 1/27

1:12 pm-8:07 pm

1 stop6h 55m

Denver Intl

Sat 1/31

5:15 am-12:32 pm

1 stop7h 17m

$278

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 2/7

1:12 pm-7:58 pm

1 stop6h 46m

Denver Intl

Tue 2/10

5:15 am-12:32 pm

1 stop7h 17m

$293

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 2/6

2:29 pm-4:40 pm

Nonstop2h 11m

Denver Intl

Tue 2/10

11:30 am-1:48 pm

Nonstop2h 18m

$294

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 2/6

5:59 pm-11:35 pm

1 stop5h 36m

Denver Intl

Tue 2/10

11:49 am-5:19 pm

2 stops29h 30m

$295

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 $520. 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 $687.

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 $551. Flights in the morning are often more expensive with an average ticket price of $641.

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 31% 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

$265

Fastest flight time

1h 48m

Direct flights

Mon, 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 $265. The best round-trip flight deal from Great Falls to Denver found on momondo in the last 72 hours is $458.
The fastest flight from Great Falls to Denver takes 1h 48m
Direct flights go from Great Falls to Denver on Monday, Wednesday, Thursday, Friday, 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 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
9,143 reviews
Search United Airlines flights
DeltaPriceFrom $213Free CancellationRating
7.9
8,033 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 $303. 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
Cripple Creek
Keystone
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Frisco
Copper Mountain
Centennial
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.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 2/11
Wed 2/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States