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$129+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — DEN
juin 23 — juin 301
lun. 6/23
lun. 6/30
1 adult, Economy
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Cheapflights Tip: The best prices from Great Falls to Denver Intl are usually found in February or June, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 juin 18, 2025.

Round-trip from

$209
(United Airlines)

One-way from

$129
(Hawaiian Airlines)

Popular in

October

Cheapest in

February

Average price

$281

Good round-trip deal

$427 or less

Good one-way deal

$252 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. 17% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 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 juin 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/17. 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.
ven. 7/256:25 amGTF - DEN
Nonstop2h 00mUnited Airlines
dim. 7/277:18 pmDEN - GTF
Nonstop1h 55mUnited Airlines
Deal found 6/17$209
This Delta deal was found by Cheapflights users on 6/18. 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.
jeu. 8/75:45 amGTF - DEN
1 stop3h 39mDelta
sam. 8/97:10 amDEN - GTF
1 stop3h 53mDelta
Deal found 6/18$218
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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.
mer. 9/34:29 pmGTF - DEN
1 stop27h 58mAlaska Airlines
ven. 9/59:23 pmDEN - GTF
1 stop18h 26mAlaska Airlines
Deal found 6/15$398
This United deal was found by Cheapflights users on 6/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/92:35 pmGTF - DEN
Nonstop2h 00mMultiple Airlines
mar. 8/128:00 amDEN - GTF
1 stop8h 13mMultiple Airlines
Deal found 6/17$463

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 juin 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

ven. 7/25

6:25 am-8:25 am

Nonstop2h 00m

Denver Intl

dim. 7/27

7:18 pm-9:13 pm

Nonstop1h 55m

$209

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

jeu. 8/7

5:45 am-9:24 am

1 stop3h 39m

Denver Intl

sam. 8/9

7:10 am-11:03 am

1 stop3h 53m

$218

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mer. 9/3

4:29 pm-8:27 pm

1 stop27h 58m

Denver Intl

ven. 9/5

9:23 pm-3:49 pm

1 stop18h 26m

$398

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

sam. 8/9

2:35 pm-4:35 pm

Nonstop2h 00m

Denver Intl

mar. 8/12

8:00 am-4:13 pm

1 stop8h 13m

$463

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mar. 6/24

4:55 pm-11:59 pm

1 stop7h 04m

$259

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mar. 6/24

2:26 pm-4:26 pm

Nonstop2h 00m

$379

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

mar. 6/24

4:55 pm-6:35 am

2 stops13h 40m

$975

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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

How far ahead should I book a flight from Great Falls to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Great Falls to Denver. Price data was last updated on June 13, 2025.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Great Falls to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 juin 18, 2025.

It’s optimal to fly from Great Falls to Denver in the afternoon. By choosing this option you can save up to 57% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Great Falls to Denver

Explore weekly flight availability from Great Falls to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juin 18, 2025.

The most flights from GTF to DEN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 juin 18, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and Hawaiian Airlines from Great Falls to Denver by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,507 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 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, 7 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 $209, 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. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $218 and $327, respectively. These flights start at 41% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Great Falls to Denver one-way?

    The cheapest airlines for a one-way flight from Great Falls to Denver are Hawaiian Airlines ($129), United Airlines ($379), and Alaska Airlines ($398).

  • 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 $622, our data indicates the cheapest price to be $179. The most popular route (Great Falls - Denver Intl), is priced around $209.

  • 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 Great Falls?

Book flights to Great Falls if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Broomfield
Grand Lake
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley

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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 juin 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$288FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$233Average$373FlexibilityNo cancel feeOn-time69%

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