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$145+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — DEN
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheapflights Tip: The best prices from Great Falls to Denver Intl are usually found in February or July, booked 29 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 July 2, 2025.

Round-trip from

$214
(Delta)

One-way from

$145
(Trip.com)

Popular in

October

Cheapest in

February

Average price

$299

Good round-trip deal

$445 or less

Good one-way deal

$321 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 ($77 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 July 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 July 2, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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.
Thu 8/76:19 pmGTF - DEN
1 stop3h 52mDelta
Sat 8/912:50 pmDEN - GTF
1 stop4h 49mDelta
Deal found 7/2$214
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sun 10/57:00 amGTF - DEN
Nonstop1h 55mUnited Airlines
Sun 10/197:15 pmDEN - GTF
Nonstop1h 56mUnited Airlines
Deal found 7/1$239
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 8/194:55 pmGTF - DEN
1 stop19h 15mAlaska Airlines
Thu 8/218:00 amDEN - GTF
1 stop7h 49mAlaska Airlines
Deal found 7/2$361
This United deal was found by Cheapflights users on 7/2. 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.
Tue 8/192:35 pmGTF - DEN
Nonstop1h 58mMultiple Airlines
Thu 8/218:00 amDEN - GTF
1 stop7h 49mMultiple Airlines
Deal found 7/2$503

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 July 2, 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 8/7

6:19 pm-10:11 pm

1 stop3h 52m

Denver Intl

Sat 8/9

12:50 pm-5:39 pm

1 stop4h 49m

$214

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 7/15

6:25 am-8:25 am

Nonstop2h 00m

Denver Intl

Sat 7/19

7:18 pm-9:13 pm

Nonstop1h 55m

$219

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Mon 8/11

4:55 pm-11:59 pm

1 stop7h 04m

Denver Intl

Wed 8/13

8:32 pm-4:13 pm

1 stop19h 41m

$300

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Thu 8/7

6:25 am-8:25 am

Nonstop2h 00m

Denver Intl

Thu 8/14

8:00 am-4:13 pm

1 stop8h 13m

$423

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 8/15

4:55 pm-11:59 pm

1 stop7h 04m

$145

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Sat 10/18

6:15 pm-2:06 pm

1 stop19h 51m

$185

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 7/25

6:25 am-8:25 am

Nonstop2h 00m

$219

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 7/25

6:19 pm-10:11 pm

1 stop3h 52m

$228

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 7/25

10:14 am-9:23 am

2 stops23h 09m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 27, 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 July 2, 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 July 2, 2025.

The most flights from GTF to DEN are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 July 2, 2025.
Read through reviews of airlines operating flights from Great Falls to Denver, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

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

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

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
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

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
2,540 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.1

Comfort

7.8

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 55m 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 $214, 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. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $219 and $300, respectively. These flights start at 40% 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 ($145), United Airlines ($219), and Alaska Airlines ($226).

  • 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 $690, our data indicates the cheapest price to be $218. The most popular route (Great Falls - Denver Intl), is priced around $218.

  • 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
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs

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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$268FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$234Average$375FlexibilityNo cancel feeOn-time69%

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