HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montana

$64+ Cheap flights from Colorado to Montana

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BZN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Montana 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 Colorado to Montana

Keep the following information in mind while searching for Colorado to Montana flight deals. Data was last updated August 20, 2025.

Round-trip from

$189
(United Airlines)

One-way from

$64
(Trip.com)

Popular in

June

Cheapest in

April

Average price

$358

Good round-trip deal

$239 or less

Good one-way deal

$204 or less
From Colorado to Montana
Search Deals
One-way flight from Colorado to Montana
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Montana.
Search Deals
Price to beat on a one-way flight from Colorado to Montana.
Search Deals

Find flight deals from Colorado to Montana

Cheapest flights from Colorado to Montana
Explore the most affordable flight options available from Colorado to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 9/199:05 pmDEN - BIL
Nonstop1h 41mUnited Airlines
Tue 9/237:00 amBIL - DEN
Nonstop1h 42mUnited Airlines
Deal found 8/18$189
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/48:05 amDEN - BIL
Nonstop1h 39mUnited Airlines
Tue 9/97:00 amBIL - DEN
Nonstop1h 42mUnited Airlines
Deal found 8/19$194
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 10/247:15 pmDEN - GTF
Nonstop1h 56mUnited Airlines
Sun 10/266:20 amGTF - DEN
Nonstop2h 02mUnited Airlines
Deal found 8/18$195
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 9/1111:20 amDEN - COD
Nonstop1h 40mUnited Airlines
Tue 9/166:07 pmCOD - DEN
Nonstop1h 44mUnited Airlines
Deal found 8/18$198
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 9/49:05 pmDEN - BIL
Nonstop1h 41mUnited Airlines
Sun 9/75:00 amBIL - DEN
Nonstop1h 51mUnited Airlines
Deal found 8/18$199
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Tue 9/167:33 pmDEN - GTF
Nonstop1h 55mUnited Airlines
Fri 9/262:31 pmGTF - DEN
Nonstop1h 58mUnited Airlines
Deal found 8/19$205
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 10/18:20 pmDEN - BTM
Nonstop2h 01mUnited Airlines
Tue 10/79:47 amBTM - DEN
Nonstop1h 53mUnited Airlines
Deal found 8/18$205
This Hawaiian Airlines deal was found by Cheapflights users on 8/19. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:00 amDEN - MSO
1 stop7h 18mHawaiian Airlines
Tue 9/235:45 amMSO - DEN
1 stop4h 59mHawaiian Airlines
Deal found 8/19$208
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:00 amDEN - HLN
1 stop7h 21mHawaiian Airlines
Tue 9/234:02 pmHLN - DEN
1 stop6h 00mHawaiian Airlines
Deal found 8/18$208
This Delta deal was found by Cheapflights users on 8/19. 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 9/253:45 pmDEN - BIL
1 stop6h 50mDelta
Fri 10/35:25 amBIL - DEN
1 stop3h 53mDelta
Deal found 8/19$209
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 9/137:25 pmDEN - FCA
Nonstop2h 15mUnited Airlines
Tue 9/166:30 amFCA - DEN
Nonstop2h 11mUnited Airlines
Deal found 8/18$209
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 9/267:20 pmDEN - MSO
Nonstop2h 05mUnited Airlines
Sun 9/286:25 amMSO - DEN
Nonstop2h 03mUnited Airlines
Deal found 8/18$209

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Montana 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 August 20, 2025.
Use the filters below to find and compare flights from Colorado to Montana that are best for you.

Fly from

Colorado

Fly to

Montana

Route

Depart

Return

Price

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Fri 9/19

9:05 pm-10:46 pm

Nonstop1h 41m

Billings Logan Intl

Tue 9/23

7:00 am-8:42 am

Nonstop1h 42m

$189

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Thu 9/4

8:05 am-9:44 am

Nonstop1h 39m

Billings Logan Intl

Tue 9/9

5:53 pm-7:40 pm

Nonstop1h 47m

$194

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Mon 9/15

9:05 pm-10:46 pm

Nonstop1h 41m

Billings Logan Intl

Mon 9/22

4:15 pm-6:05 pm

Nonstop1h 50m

$194

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Sat 9/6

11:45 am-1:17 pm

Nonstop1h 32m

Billings Logan Intl

Sun 9/21

2:35 pm-4:17 pm

Nonstop1h 42m

$194

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 11/7

11:31 am-1:33 pm

Nonstop2h 02m

Great Falls

Sun 11/9

2:30 pm-4:31 pm

Nonstop2h 01m

$195

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Fri 10/24

7:15 pm-9:11 pm

Nonstop1h 56m

Great Falls

Sun 10/26

6:20 am-8:22 am

Nonstop2h 02m

$195

DenverCody

DEN - COD

DENCOD

Denver Intl

Thu 9/11

11:20 am-1:00 pm

Nonstop1h 40m

Cody E.E. Faust

Tue 9/16

6:07 pm-7:51 pm

Nonstop1h 44m

$198

DenverMissoula

DEN - MSO

DENMSO

Denver Intl

Tue 9/16

8:00 am-3:18 pm

1 stop7h 18m

Missoula Johnson-Bell Field

Tue 9/23

5:45 am-10:44 am

1 stop4h 59m

$208

DenverMissoula

DEN - MSO

DENMSO

Denver Intl

Wed 9/24

6:17 pm-12:27 am

1 stop6h 10m

Missoula Johnson-Bell Field

Tue 9/30

5:45 am-10:44 am

1 stop4h 59m

$208

DenverMissoula

DEN - MSO

DENMSO

Denver Intl

Thu 10/30

6:46 pm-12:13 am

1 stop5h 27m

Missoula Johnson-Bell Field

Wed 11/5

4:12 pm-11:59 pm

1 stop7h 47m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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

Best time to book a flight from Colorado to Montana

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

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

Currently, October is the cheapest month in which you can book a flight from Colorado to Montana (average of $371). Flying from Colorado to Montana in May is currently the most expensive (average of $478). 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 CO to MT?

Find hourly flight availability from Colorado to Montana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

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

Weekly flight availability from Colorado to Montana

Explore weekly flight availability from Colorado to Montana. 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 August 20, 2025.

The most flights from USCO to USMT are scheduled on a Tuesday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

Reviews of airlines servicing Montana

Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated August 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Colorado to Montana by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Frontier
5.8
Fair
3,207 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

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

  • How popular is this Colorado to Montana flight route?

    Within the past month, 3 users have taken a look at flights from Colorado to Montana.

  • How long is the flight from Colorado to Montana?

    Departing from Colorado to Montana will take you 1h 41m. Airlines will cover a distance of 455 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Colorado to Montana (average of $371). Flying from Colorado to Montana in May is currently the most expensive (average of $478). 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

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 Colorado to Montana

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Seattle flights
Los Angeles to Newark flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
Newark to Fort Lauderdale flights
Newark to Los Angeles flights
Dallas/Fort Worth to O'Hare Intl flights
San Francisco to John F Kennedy Intl flights
John F Kennedy Intl to Miami flights
Los Angeles to Seattle flights
Newark to Miami flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to O'Hare Intl flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
Fort Lauderdale to Newark flights
Ontario to Seattle flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to San Francisco flights
San Francisco to Newark flights
Seattle to Los Angeles flights
Los Angeles to Dallas/Fort Worth flights
Dallas/Fort Worth to Denver flights
Seattle to Las Vegas flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Dallas/Fort Worth flights
LaGuardia to O'Hare Intl flights
Newark to O'Hare Intl flights
Dallas/Fort Worth to Los Angeles flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Orlando flights
Miami to LaGuardia flights
Newark to Las Vegas flights
Dallas/Fort Worth to Newark flights
Los Angeles to LaGuardia flights
Los Angeles to O'Hare Intl flights
Atlanta to LaGuardia flights
Atlanta to John F Kennedy Intl flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Las Vegas flights
Fort Lauderdale to LaGuardia flights
Newark to San Francisco flights
John F Kennedy Intl to Atlanta flights
Newark to Dallas/Fort Worth flights
O'Hare Intl to Newark flights

Top 5 airlines flying from Colorado to Montana

Discover the top 5 airlines that operate flights from Colorado to Montana. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$79Average$128FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$303FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$175Average$293FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$209Average$416FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$221Average$359FlexibilityNo 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.