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$126+ Cheap flights from Great Falls to Denver (GTF - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — DEN
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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Find flight deals from Great Falls to Denver

Cheapest flights from Great Falls to Denver
Explore the most affordable flight options available from Great Falls to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:25 pmGTF - DEN
2 stops11h 30mMultiple Airlines
Sat 12/1310:44 pmDEN - GTF
1 stop21h 19mMultiple Airlines
Deal found 11/18$282
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:56 amGTF - DEN
1 stop17h 02mMultiple Airlines
Mon 12/811:59 pmDEN - GTF
2 stops34h 28mMultiple Airlines
Deal found 11/17$302
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:12 pmGTF - DEN
1 stop5h 46mDelta
Sat 12/205:30 amDEN - GTF
1 stop17h 00mDelta
Deal found 11/18$349
This Kiwi.com deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:25 pmGTF - DEN
2 stops11h 30mMultiple Airlines
Fri 12/127:33 amDEN - GTF
1 stop14h 02mMultiple Airlines
Deal found 11/18$353
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/91:12 pmGTF - DEN
1 stop5h 46mDelta
Sat 12/136:22 pmDEN - GTF
1 stop5h 00mDelta
Deal found 11/18$368
This Delta deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:30 amGTF - DEN
1 stop5h 39mDelta
Mon 12/295:30 amDEN - GTF
1 stop7h 01mDelta
Deal found 11/18$378
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:20 amGTF - DEN
Nonstop2h 08mUnited Airlines
Mon 12/87:23 pmDEN - GTF
Nonstop2h 09mUnited Airlines
Deal found 11/17$379
This Alaska Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:35 pmGTF - DEN
1 stop16h 09mAlaska Airlines
Sat 12/136:59 pmDEN - GTF
2 stops23h 56mAlaska Airlines
Deal found 11/18$393
This Alaska Airlines deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:21 pmGTF - DEN
1 stop28h 38mAlaska Airlines
Sun 1/47:20 amDEN - GTF
2 stops11h 21mAlaska Airlines
Deal found 11/16$397
This United Airlines deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:35 pmGTF - DEN
Nonstop2h 08mUnited Airlines
Sat 12/137:23 pmDEN - GTF
Nonstop2h 09mUnited Airlines
Deal found 11/18$399

Cheap flight deals from Great Falls to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Great Falls (GTF) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$199
(United Airlines)

One-way from

$126
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$269

Good round-trip deal

$399 or less

Good one-way deal

$265 or less
Provider with most accurate pricing for Great Falls-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Great Falls-Denver Intl flights.
Search Deals
From Great Falls to Denver Intl
Search Deals
One-way flight from Great Falls to Denver Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Great Falls to Denver Intl.
Search Deals
Price to beat on a one-way flight from Great Falls to Denver Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 18, 2025.
Use the filters below to find and compare flights from Great Falls to Denver that are best for you.

Fly from

Great Falls

Fly to

Denver

Route

Depart

Return

Price

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 1/22

6:10 am-8:21 am

Nonstop2h 11m

Denver Intl

Mon 1/26

7:35 pm-9:53 pm

Nonstop2h 18m

$199

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 1/9

2:29 pm-4:40 pm

Nonstop2h 11m

Denver Intl

Thu 1/15

7:35 pm-9:53 pm

Nonstop2h 18m

$199

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 1/9

5:30 am-9:38 am

1 stop4h 08m

Denver Intl

Thu 1/15

12:49 pm-5:30 pm

1 stop4h 41m

$218

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 1/30

5:59 pm-11:35 pm

1 stop5h 36m

Denver Intl

Sun 2/1

11:49 am-5:19 pm

2 stops29h 30m

$250

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 2/27

6:07 pm-11:59 pm

1 stop5h 52m

Denver Intl

Sun 3/1

7:00 am-5:27 pm

1 stop10h 27m

$295

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 1/22

5:59 pm-11:58 pm

2 stops29h 59m

Denver Intl

Mon 1/26

11:49 am-5:19 pm

2 stops29h 30m

$312

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 1/9

2:29 pm-4:40 pm

Nonstop2h 11m

Denver Intl

Sun 1/11

11:30 am-1:48 pm

Nonstop2h 18m

$319

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 2/24

6:07 pm-9:23 pm

1 stop27h 16m

Denver Intl

Thu 2/26

7:52 pm-5:27 pm

1 stop21h 35m

$322

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Wed 12/17

1:12 pm-6:58 pm

1 stop5h 46m

Denver Intl

Sat 12/20

5:30 am-10:30 pm

1 stop17h 00m

$349

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 12/8

10:25 pm-9:55 am

2 stops11h 30m

Denver Intl

Fri 12/12

7:33 am-9:35 pm

1 stop14h 02m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 20 results
1
2

Compare providers for flights from Great Falls to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Great Falls to Denver in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Great Falls-Denver flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Great Falls-Denver flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Great Falls-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Great Falls-Denver flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Great Falls-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Great Falls to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Great Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Denver

What is the cheapest month to book a flight from Great Falls to Denver?

Currently, December is the cheapest month in which you can book a flight from Great Falls to Denver (average of $146). Flying from Great Falls to Denver in April is currently the most expensive (average of $281). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GTF to DEN?

Find hourly flight availability from Great Falls to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

When flying from Great Falls to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated November 18, 2025.
Read through reviews of airlines operating flights from Great Falls to Denver, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,003 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,003 reviews
Delta
7.9
Good
8,003 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,019 reviews
Delta
7.9
Good
8,003 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Entertainment

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Great Falls to Denver?

    Booking a flight from Great Falls (GTF) to Denver Intl (DEN) is your only option if you wish to fly from Great Falls to Denver. On a typical day, there are 2 flights from Great Falls to Denver Intl, all of which are around 2h 01m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Great Falls to Denver.

  • How popular is this Great Falls to Denver flight route?

    Within the past month, 13 users have taken a look at flights from Great Falls to Denver Intl.

  • How long is the flight from Great Falls to Denver?

    United Airlines, Delta, and Alaska Airlines can get you from Great Falls to Denver in just under 2h 11m. Your travel time can differ by up to 3h 25m. The distance from Great Falls to Denver is about 623 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Great Falls to Denver round-trip?

    Currently priced at $199, United Airlines will fly you from Great Falls to Denver and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $213. These flights start at 37% lower than the current average price 3 months from now.

  • What are the cheapest flights from Great Falls to Denver?

    Looking for the cheapest flight from Great Falls to Denver? While on average our users pay $1,008, our data indicates the cheapest price to be $184. The most popular route (Great Falls - Denver Intl), is priced around $199.

  • Can I find deals for flights from Great Falls to Denver that include hotel bookings?

    Yes. In addition to deals on Great Falls to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Great Falls to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Denver.

  • Can I find deals for business class flights from Great Falls to Denver?

    Yes. Cheapflights offers flight deals from Great Falls to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Great Falls to Denver?

    Currently, December is the cheapest month in which you can book a flight from Great Falls to Denver (average of $146). Flying from Great Falls to Denver in April is currently the most expensive (average of $281). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Broomfield
Lakewood
Golden
Winter Park
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Wheat Ridge
Central City
Manitou Springs
Fort Morgan
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Great Falls to Denver

Discover the top 2 airlines that operate flights from Great Falls to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$199Average$330FlexibilityNo cancel feeOn-time69%
DeltaCheapest$213Average$258FlexibilityNo cancel feeOn-timeN/A

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