Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Denver to Great Falls from $209

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Great Falls departing on 9/30. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Great Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:15 pm - 9:12 pmDEN  Denver Intl-GTF Great Falls
1h 57mnonstop
United Airlines Logo
6:15 am - 8:16 amGTF  Great Falls-DEN Denver Intl
2h 01mnonstop
$269United Airlines
Fri, Sep 18 - Sun, Sep 20
United Airlines Logo
7:15 pm - 9:12 pmDEN  Denver Intl-GTF Great Falls
1h 57mnonstop
United Airlines Logo
6:15 am - 8:16 amGTF  Great Falls-DEN Denver Intl
2h 01mnonstop
$269United Airlines
Mon, Sep 14 - Mon, Sep 21
United Airlines Logo
7:25 pm - 9:22 pmDEN  Denver Intl-GTF Great Falls
1h 57mnonstop
United Airlines Logo
6:15 am - 8:16 amGTF  Great Falls-DEN Denver Intl
2h 01mnonstop
$269United Airlines
Thu, Oct 1 - Mon, Oct 5
United Airlines Logo
7:15 pm - 9:12 pmDEN  Denver Intl-GTF Great Falls
1h 57mnonstop
United Airlines Logo
6:15 am - 8:16 amGTF  Great Falls-DEN Denver Intl
2h 01mnonstop
$269United Airlines
Fri, Sep 4 - Mon, Sep 7
Delta Logo
10:45 am - 5:41 pmDEN  Denver Intl-GTF Great Falls
6h 56m1 stop Salt Lake City
Delta Logo
6:27 pm - 10:40 pmGTF  Great Falls-DEN Denver Intl
4h 13m1 stop Salt Lake City
$288Delta
Fri, Oct 2 - Tue, Oct 6
Delta Logo
10:45 am - 5:47 pmDEN  Denver Intl-GTF Great Falls
7h 02m1 stop Salt Lake City
Delta Logo
6:27 pm - 10:40 pmGTF  Great Falls-DEN Denver Intl
4h 13m1 stop Salt Lake City
$288Delta
Sat, Oct 17 - Mon, Oct 19
Delta Logo
10:45 am - 5:41 pmDEN  Denver Intl-GTF Great Falls
6h 56m1 stop Salt Lake City
Delta Logo
6:27 pm - 10:40 pmGTF  Great Falls-DEN Denver Intl
4h 13m1 stop Salt Lake City
$288Delta
Thu, Oct 1 - Tue, Oct 6
Multiple Airlines Logo
10:43 pm - 8:32 amDEN  Denver Intl-GTF Great Falls
9h 49m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
8:57 pm - 8:52 amGTF  Great Falls-DEN Denver Intl
11h 55m1 stop Phoenix-Mesa Gateway
$396Multiple Airlines
Sat, Nov 14 - Sat, Nov 28
Alaska Airlines Logo
3:04 pm - 4:39 pmDEN  Denver Intl-GTF Great Falls
25h 35m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
5:19 pm - 6:10 pmGTF  Great Falls-DEN Denver Intl
24h 51m1 stop Seattle/Tacoma Intl
$403Alaska Airlines
Thu, Sep 24 - Tue, Sep 29
Alaska Airlines Logo
8:08 am - 4:39 pmDEN  Denver Intl-GTF Great Falls
8h 31m2 stops Portland Seattle/Tacoma Intl
Alaska Airlines Logo
5:15 pm - 10:37 pmGTF  Great Falls-DEN Denver Intl
5h 22m1 stop Seattle/Tacoma Intl
$405Alaska Airlines
Thu, Oct 1 - Mon, Oct 5

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

United Airlines flights from Denver to Great Falls

Our best United Airlines deals on Denver to Great Falls flight tickets
United Airlines
Sep 18
DEN7:15 pmDenver Intl
1h 57m
GTF9:12 pmGreat Falls
Sep 20
GTF6:15 amGreat Falls
2h 01m
DEN8:16 amDenver Intl
$269
United Airlines
Sep 24
DEN7:25 pmDenver Intl
1h 57m
GTF9:22 pmGreat Falls
Sep 29
GTF6:15 amGreat Falls
2h 01m
DEN8:16 amDenver Intl
$289
United Airlines
Aug 28
DEN7:15 pmDenver Intl
1h 57m
GTF9:12 pmGreat Falls
Sep 1
GTF2:25 pmGreat Falls
2h 03m
DEN4:28 pmDenver Intl
$309

Delta flights from Denver to Great Falls

Our best Delta deals on Denver to Great Falls flight tickets
Delta
Oct 1
DEN10:45 amDenver Intl
6h 56m
1 stop
GTF5:41 pmGreat Falls
Oct 5
GTF6:21 pmGreat Falls
4h 19m
1 stop
DEN10:40 pmDenver Intl
$288
Delta
Dec 22
DEN6:25 pmDenver Intl
4h 28m
1 stop
GTF10:53 pmGreat Falls
Jan 4
GTF6:20 pmGreat Falls
4h 13m
1 stop
DEN10:33 pmDenver Intl
$308
Delta
Sep 1
DEN7:05 amDenver Intl
5h 23m
1 stop
GTF12:28 pmGreat Falls
Sep 5
GTF5:40 amGreat Falls
3h 34m
1 stop
DEN9:14 amDenver Intl
$328

momondo Fare Finder

 
Customize your flight search to find flights from Denver to Great Falls 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 17, 2026.
Use the filters below to find and compare flights from Denver to Great Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Fri 9/18

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Sun 9/20

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Mon 9/14

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Mon 9/21

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 10/1

7:25 pm-9:22 pm

Nonstop1h 57m

Great Falls

Mon 10/5

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Fri 9/4

7:15 pm-9:12 pm

Nonstop1h 57m

Great Falls

Mon 9/7

6:15 am-8:16 am

Nonstop2h 01m

$269

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Fri 10/2

10:45 am-5:41 pm

1 stop6h 56m

Great Falls

Tue 10/6

6:27 pm-10:40 pm

1 stop4h 13m

$288

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sat 10/17

10:45 am-5:47 pm

1 stop7h 02m

Great Falls

Mon 10/19

6:27 pm-10:40 pm

1 stop4h 13m

$288

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 10/1

10:45 am-5:41 pm

1 stop6h 56m

Great Falls

Tue 10/6

6:27 pm-10:40 pm

1 stop4h 13m

$288

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Sat 11/14

10:43 pm-8:32 am

1 stop9h 49m

Great Falls

Sat 11/28

8:57 pm-8:52 am

1 stop11h 55m

$396

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 9/24

3:04 pm-4:39 pm

1 stop25h 35m

Great Falls

Tue 9/29

5:19 pm-6:10 pm

1 stop24h 51m

$403

DenverGreat Falls

DEN Denver Intl - GTF Great Falls

DENGTF

Denver Intl

Thu 10/1

8:08 am-4:39 pm

2 stops8h 31m

Great Falls

Mon 10/5

5:15 pm-10:37 pm

1 stop5h 22m

$405

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Great Falls from

How to get the cheapest flight ticket from Denver to Great Falls

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 Denver and Great Falls?

Prices are currently low for flights on this route.

Typical prices usually range from $301 to $518.
The lowest price recently found on this route was $269.

What is the cheapest month to fly to Great Falls?

The month of March is another great option to travel to Great Falls, with average flight prices from Denver averaging around $218.

What is the cheapest day to depart on your flight to Great Falls?

The cheapest day to depart on your flight to Great Falls is on a Thursday when prices can be found for as low as $288. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $438.

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

According to our data, the cheapest time of day to fly to Great Falls is in the evening. momondo users have found flights departing from Denver to Great Falls in the evening for as low as $301. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $340 on average. Flights to Great Falls from Denver in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Denver Intl to Great Falls flight route?

Fly from Denver Intl to Great Falls for the best Denver Intl - Great Falls flight prices

What cabin class options are available on Denver to Great Falls flights?

There are 3 cabin classes available to choose from on Denver to Great Falls 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 Denver to Great Falls flights?

You could potentially save up to 46% on your flight if you consider stops on a Denver to Great Falls flight.

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

As of August 2026, prices for Denver to Great Falls flights are approximately 70% more expensive when compared to flights at the same time last year.

When to book flights from Denver to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Great Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Great Falls (DEN to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Denver to Great Falls

Best Price Found

$209

Fastest flight time

1h 57m

Direct flights

Every day

Airports in Great Falls

1 airport
The best one-way flight to Great Falls from Denver in the past 72 hours is $209. The best round-trip flight deal from Denver to Great Falls found on momondo in the last 72 hours is $269.
The fastest flight from Denver to Great Falls takes 1h 57m
Direct flights go from Denver to Great Falls every day.
There is 1 airport in Great Falls. From Denver there are direct flights to Great Falls (GTF).
Search flight deals

Frequently asked questions about flying from Denver to Great Falls

  • How far is Denver Intl to Great Falls by plane?

    Great Falls is 621.5 mi away from Denver Intl. Typically, this will take 1h 57m by plane in normal conditions.

  • When did momondo last update prices for flights from Denver Intl Airport to Great Falls Airport?

    Prices for flights from Denver Intl Airport to Great Falls Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Denver Intl Airport to Great Falls Airport?

  • How old do you have to be to fly from Denver Intl Airport to Great Falls 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 Denver Intl Airport to Great Falls Airport.

  • What documentation or ID do you need to fly to Great Falls Airport?

    The travel and health documents you'll need for your trip to Great Falls 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 Great Falls 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 Denver to Great Falls?

  • What is the most popular airline from Denver to Great Falls?

Best airlines flying from Denver to Great Falls

Compare and see reviews for airlines that fly from Denver to Great Falls with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $199Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights

  • United Airlines Flights From Denver to Great Falls

    United Airlines flight deals from Denver to Great Falls start from $199 round-trip. Over the 14 United Airlines flights for this route in a normal week, average airfare is usually $334 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Shelby

Why use momondo?

Why should I use momondo to find a flight deal from Denver to Great Falls?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Great Falls. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Denver to Great Falls with flexible booking policies on momondo?

Yes. All flights to Great Falls from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Denver to Great Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Denver to Great Falls.

I’m not ready to book a flight from Denver to Great Falls right now. Can momondo alert me if prices change?

Price alerts on flights to Great Falls from Denver 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 Great Falls 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 9/16
Wed 9/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States