HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$89+ Cheap flights from Montana to Denver (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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DEN
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Montana to Denver

Keep the following information in mind while searching for Montana to Denver flight deals. Data was last updated July 31, 2025.

Round-trip from

$178
(Frontier)

One-way from

$89
(Frontier)

Popular in

November

Cheapest in

August

Average price

$379

Good round-trip deal

$311 or less

Good one-way deal

$197 or less
From Montana to Denver Intl
Search Deals
One-way flight from Montana to Denver Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Montana to Denver Intl.
Search Deals
Price to beat on a one-way flight from Montana to Denver Intl.
Search Deals

Find flight deals from Montana to Denver

Cheapest flights from Montana to Denver
Explore the most affordable flight options available from Montana to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Frontier deal was found by Cheapflights users on 7/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/412:40 pmMSO - DEN
Nonstop2h 14mFrontier
Mon 8/119:42 amDEN - MSO
Nonstop2h 12mFrontier
Deal found 7/28$147
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/287:00 amBIL - DEN
Nonstop1h 42mUnited Airlines
Thu 9/411:45 amDEN - BIL
Nonstop1h 32mUnited Airlines
Deal found 7/30$189
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/222:35 pmGTF - DEN
Nonstop1h 58mUnited Airlines
Mon 8/257:33 pmDEN - GTF
Nonstop1h 55mUnited Airlines
Deal found 7/31$195
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/299:45 amBTM - DEN
Nonstop1h 53mUnited Airlines
Mon 9/18:20 pmDEN - BTM
Nonstop2h 01mUnited Airlines
Deal found 7/31$205
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Thu 8/212:40 pmMSO - DEN
Nonstop2h 00mUnited Airlines
Sun 8/247:45 amDEN - MSO
Nonstop2h 12mUnited Airlines
Deal found 7/29$209
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/135:20 pmHLN - DEN
Nonstop2h 06mUnited Airlines
Sat 9/2011:30 amDEN - HLN
Nonstop2h 00mUnited Airlines
Deal found 7/30$209
This Delta deal was found by Cheapflights users on 7/31. 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 8/285:25 amBIL - DEN
1 stop3h 49mDelta
Sun 8/316:25 pmDEN - BIL
1 stop4h 37mDelta
Deal found 7/31$209
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 8/216:30 amFCA - DEN
Nonstop2h 11mUnited Airlines
Sun 8/247:25 pmDEN - FCA
Nonstop2h 15mUnited Airlines
Deal found 7/31$209
This Delta deal was found by Cheapflights users on 7/30. 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 8/196:06 pmGTF - DEN
1 stop4h 42mDelta
Mon 8/256:25 pmDEN - GTF
1 stop4h 20mDelta
Deal found 7/30$214
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/95:22 amBZN - DEN
1 stop5h 22mAlaska Airlines
Sat 9/1311:40 amDEN - BZN
1 stop12h 32mAlaska Airlines
Deal found 7/30$216
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:25 amBZN - DEN
Nonstop1h 35mSouthwest
Tue 9/25:00 pmDEN - BZN
Nonstop1h 40mSouthwest
Deal found 7/30$217
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 9/86:40 pmMSO - DEN
1 stop17h 30mAlaska Airlines
Thu 9/116:17 pmDEN - MSO
1 stop5h 42mAlaska Airlines
Deal found 7/31$218

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana 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 31, 2025.
Use the filters below to find and compare flights from Montana to Denver that are best for you.

Fly from

Montana

Fly to

Denver

Route

Depart

Return

Price

MissoulaDenver

MSO - DEN

MSODEN

Missoula Johnson-Bell Field

Fri 10/10

12:40 pm-2:54 pm

Nonstop2h 14m

Denver Intl

Mon 10/13

9:57 am-12:09 pm

Nonstop2h 12m

$178

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Thu 8/28

7:00 am-8:42 am

Nonstop1h 42m

Denver Intl

Thu 9/4

11:45 am-1:17 pm

Nonstop1h 32m

$189

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Fri 8/22

2:35 pm-4:33 pm

Nonstop1h 58m

Denver Intl

Mon 8/25

7:33 pm-9:28 pm

Nonstop1h 55m

$195

ButteDenver

BTM - DEN

BTMDEN

Butte Silver Bow Co

Fri 8/29

9:45 am-11:38 am

Nonstop1h 53m

Denver Intl

Mon 9/1

8:20 pm-10:21 pm

Nonstop2h 01m

$205

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Thu 8/28

5:25 am-9:14 am

1 stop3h 49m

Denver Intl

Sun 8/31

6:25 pm-11:02 pm

1 stop4h 37m

$209

MissoulaDenver

MSO - DEN

MSODEN

Missoula Johnson-Bell Field

Thu 8/21

2:40 pm-4:40 pm

Nonstop2h 00m

Denver Intl

Sun 8/24

7:45 am-9:57 am

Nonstop2h 12m

$209

HelenaDenver

HLN - DEN

HLNDEN

Helena

Sat 9/13

5:20 pm-7:26 pm

Nonstop2h 06m

Denver Intl

Sat 9/20

11:30 am-1:30 pm

Nonstop2h 00m

$209

KalispellDenver

FCA - DEN

FCADEN

Kalispell Glacier Park

Thu 8/21

6:30 am-8:41 am

Nonstop2h 11m

Denver Intl

Sun 8/24

1:54 pm-4:07 pm

Nonstop2h 13m

$209

Great FallsDenver

GTF - DEN

GTFDEN

Great Falls

Tue 8/19

6:06 pm-10:48 pm

1 stop4h 42m

Denver Intl

Mon 8/25

6:25 pm-10:45 pm

1 stop4h 20m

$214

BozemanDenver

BZN - DEN

BZNDEN

Bozeman Gallatin Field

Tue 9/9

5:22 am-10:44 am

1 stop5h 22m

Denver Intl

Sat 9/13

11:40 am-12:12 am

1 stop12h 32m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Montana to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Montana 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 Montana to Denver

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

Currently, October is the cheapest month in which you can book a flight from Montana to Denver (average of $197). Flying from Montana 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 MT to DEN?

Find hourly flight availability from Montana 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 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montana to Denver as you normally would.

Weekly flight availability from Montana to Denver

Explore weekly flight availability from Montana 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 31, 2025.

The most flights from USMT to DEN are scheduled on a Thursday (12 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 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 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Montana to Denver by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • What airport do you fly into for flights to Denver from Montana?

    Denver Intl (DEN) is the airport you will fly into if you book a flight from Montana to Denver. It is only a 18.5 mi journey from Denver Intl (DEN) to Denver’s city center.

  • How popular is this Montana to Denver flight route?

    This flight path from Montana to Denver Intl was viewed by 52 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airlines for a one-way flight from Montana to Denver are Frontier ($89), Hawaiian Airlines ($102), and Alaska Airlines ($104).

  • What are the most popular routes from Montana to Denver?

    The most popular route from Montana to Denver is Bozeman Gallatin Field - Denver Intl. You may also consider Kalispell Glacier Park - Denver Intl or Great Falls - Denver Intl.

  • What are the most reliable airlines from Montana to Denver?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Montana to Denver on time: Lufthansa (68%), SkyWest Airlines (66%), United Airlines (63%).

  • What are the cheapest flights from Montana to Denver?

    While on average a flight from Montana to Denver is generally $925, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Bozeman Gallatin Field - Denver Intl), you can expect to pay $216 for that flight.

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

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

  • How can I find direct flights from Montana to Denver?

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

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

    Yes. Cheapflights offers flight deals from Montana 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 Montana to Denver?

    Currently, October is the cheapest month in which you can book a flight from Montana to Denver (average of $197). Flying from Montana 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
Winter Park
Lakewood
Greeley
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield

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.

Alternative routes for Montana to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Denver flights
O'Hare Intl to Denver flights
LaGuardia to Denver flights
Newark to Denver flights
John F Kennedy Intl to Denver flights
Atlanta to Denver flights
Los Angeles to Denver flights
Seattle to Denver flights
Hobby to Denver flights
Philadelphia to Denver flights
San Francisco to Denver flights
Baltimore to Denver flights
Austin to Denver flights
Minneapolis to Denver flights
George Bush Intcntl to Denver flights
Boston to Denver flights
Reagan-National to Denver flights
Ontario to Denver flights
Detroit to Denver flights
Dulles Intl to Denver flights
Raleigh to Denver flights
Charlotte to Denver flights
Orlando to Denver flights
Cincinnati to Denver flights
Sky Harbor Intl to Denver flights
Tampa to Denver flights
Fort Lauderdale to Denver flights
Hartford to Denver flights
Miami to Denver flights
Love Field to Denver flights
Midway to Denver flights
Cleveland to Denver flights
Indianapolis to Denver flights
San Antonio to Denver flights
San Jose to Denver flights
Kansas City to Denver flights
San Diego to Denver flights
Las Vegas to Denver flights
Columbus to Denver flights
Santa Ana to Denver flights
Nashville to Denver flights
Madison to Denver flights
Portland to Denver flights
Grand Rapids to Denver flights
Milwaukee to Denver flights
Charleston to Denver flights
Pittsburgh to Denver flights
Providence to Denver flights
Richmond to Denver flights
St. Louis to Denver flights

Top 5 airlines flying from Montana to Denver

Discover the top 5 airlines that operate flights from Montana 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$51Average$114FlexibilityNo cancel feeOn-time62%
DeltaCheapest$178Average$266FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$330FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$207Average$228FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$224Average$339FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.