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$149+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — DEN
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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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 agosto 14, 2025.

Round-trip from

$214
(Delta)

One-way from

$149
(Alaska Airlines)

Popular in

October

Cheapest in

February

Average price

$314

Good round-trip deal

$455 or less

Good one-way deal

$299 or less
From Great Falls to Denver Intl
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One-way flight from Great Falls to Denver Intl
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Highest demand for flights based on searches. 18% potential increase in price ($81 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Great Falls to Denver Intl.
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Price to beat on a one-way flight from Great Falls to Denver Intl.
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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 agosto 14, 2025.

This Delta deal was found by Cheapflights users on 8/13. 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.
mié. 9/246:11 pmGTF - DEN
1 stop4h 33mDelta
mié. 10/15:45 amDEN - GTF
1 stop6h 40mDelta
Deal found 8/13$214
This United Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 8/297:00 amGTF - DEN
Nonstop1h 58mUnited Airlines
mar. 9/211:42 amDEN - GTF
Nonstop1h 55mUnited Airlines
Deal found 8/13$215
This Delta deal was found by Cheapflights users on 8/13. 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.
vie. 8/296:06 pmGTF - DEN
1 stop4h 57mDelta
mar. 9/26:25 pmDEN - GTF
1 stop4h 20mDelta
Deal found 8/13$234
This Delta deal was found by Cheapflights users on 8/13. 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.
mié. 9/246:11 pmGTF - DEN
1 stop4h 33mDelta
lun. 9/295:45 amDEN - GTF
1 stop6h 40mDelta
Deal found 8/13$254
This United Airlines deal was found by Cheapflights users on 8/13. 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.
mié. 9/242:35 pmGTF - DEN
Nonstop1h 58mUnited Airlines
jue. 10/211:30 amDEN - GTF
Nonstop1h 56mUnited Airlines
Deal found 8/13$265
This United Airlines deal was found by Cheapflights users on 8/13. 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.
sáb. 9/272:31 pmGTF - DEN
Nonstop1h 58mUnited Airlines
vie. 10/37:15 pmDEN - GTF
Nonstop1h 56mUnited Airlines
Deal found 8/13$275
This United Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 8/282:35 pmGTF - DEN
Nonstop1h 58mUnited Airlines
lun. 9/111:42 amDEN - GTF
Nonstop1h 55mUnited Airlines
Deal found 8/13$285
This Delta deal was found by Cheapflights users on 8/13. 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.
vie. 9/266:11 pmGTF - DEN
1 stop4h 33mDelta
jue. 10/212:55 pmDEN - GTF
1 stop4h 32mDelta
Deal found 8/13$289
This Delta deal was found by Cheapflights users on 8/12. 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.
vie. 8/225:45 amGTF - DEN
1 stop3h 29mDelta
lun. 8/253:45 pmDEN - GTF
1 stop7h 00mDelta
Deal found 8/12$294
This Delta deal was found by Cheapflights users on 8/13. 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.
sáb. 9/276:11 pmGTF - DEN
1 stop15h 07mDelta
mar. 9/305:45 amDEN - GTF
1 stop6h 40mDelta
Deal found 8/13$299
This United Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 9/262:31 pmGTF - DEN
Nonstop1h 58mUnited Airlines
mar. 9/307:15 pmDEN - GTF
Nonstop1h 56mUnited Airlines
Deal found 8/13$305

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 agosto 14, 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

mié. 9/24

6:11 pm-10:44 pm

1 stop4h 33m

Denver Intl

mar. 9/30

5:45 am-12:25 pm

1 stop6h 40m

$214

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mié. 9/24

6:11 pm-10:44 pm

1 stop4h 33m

Denver Intl

mié. 10/1

5:45 am-12:25 pm

1 stop6h 40m

$214

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mié. 9/24

6:11 pm-10:44 pm

1 stop4h 33m

Denver Intl

sáb. 9/27

12:55 pm-5:27 pm

1 stop4h 32m

$214

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mié. 9/24

6:11 pm-10:44 pm

1 stop4h 33m

Denver Intl

vie. 10/3

5:45 am-12:25 pm

1 stop6h 40m

$214

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mié. 9/24

6:11 pm-10:44 pm

1 stop4h 33m

Denver Intl

jue. 10/2

12:55 pm-5:27 pm

1 stop4h 32m

$214

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

vie. 8/29

7:00 am-8:58 am

Nonstop1h 58m

Denver Intl

mar. 9/2

11:42 am-1:37 pm

Nonstop1h 55m

$215

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

vie. 8/29

6:06 pm-11:03 pm

1 stop4h 57m

Denver Intl

mar. 9/2

6:25 pm-10:45 pm

1 stop4h 20m

$234

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mié. 9/24

6:11 pm-10:44 pm

1 stop4h 33m

Denver Intl

lun. 9/29

5:45 am-12:25 pm

1 stop6h 40m

$254

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mié. 9/24

2:35 pm-4:33 pm

Nonstop1h 58m

Denver Intl

mié. 10/1

7:15 pm-9:11 pm

Nonstop1h 56m

$265

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mié. 9/24

2:35 pm-4:33 pm

Nonstop1h 58m

Denver Intl

vie. 10/3

11:30 am-1:26 pm

Nonstop1h 56m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 20 results
1
2

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, October is the cheapest month in which you can book a flight from Great Falls to Denver (average of $197). Flying from Great Falls to Denver in March is currently the most expensive (average of $278). 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 agosto 14, 2025.

It’s optimal to fly from Great Falls to Denver in the afternoon. By choosing this option you can save up to 58% on the cost of your flight, compared to a flight in the morning.

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 agosto 14, 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
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 is 1 flight from Great Falls to Denver Intl, all of which are around 1h 58m 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, 9 users have taken a look at flights from Great Falls to Denver Intl.

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

    Currently priced at $218, Delta will fly you from Great Falls to Denver and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $218. These flights start at 38% 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 $768, our data indicates the cheapest price to be $228. The most popular route (Great Falls - Denver Intl), is priced around $215.

  • 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, October is the cheapest month in which you can book a flight from Great Falls to Denver (average of $197). Flying from Great Falls to Denver in March is currently the most expensive (average of $278). 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
Westminster
Black Hawk
Golden
Winter Park
Greeley
Lone Tree
Lakewood
Cripple Creek
Silverthorne
Thornton
Broomfield
Frisco
Manitou Springs
Grand Lake
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Brighton
Longmont

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$268FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$378FlexibilityNo cancel feeOn-time69%

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