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$69+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BZN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$128
(Frontier)

One-way from

$69
(Priceline)

Popular in

June

Cheapest in

April

Average price

$364

Good round-trip deal

$209 or less

Good one-way deal

$149 or less
From Colorado to Montana
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One-way flight from Colorado to Montana
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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 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 Colorado to Montana.
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Price to beat on a one-way flight from Colorado to Montana.
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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 July 3, 2025.

This Frontier deal was found by Cheapflights users on 7/3. 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 7/289:42 amDEN - MSO
Nonstop2h 12mFrontier
Mon 8/412:40 pmMSO - DEN
Nonstop2h 14mFrontier
Deal found 7/3$128
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.
Tue 7/227:29 pmDEN - BIL
Nonstop1h 34mUnited Airlines
Mon 7/285:00 amBIL - DEN
Nonstop1h 50mUnited Airlines
Deal found 7/1$189
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/37:33 pmDEN - GTF
Nonstop1h 55mUnited Airlines
Wed 9/102:35 pmGTF - DEN
Nonstop1h 58mUnited Airlines
Deal found 7/2$195
This United Airlines deal was found by Cheapflights users on 7/3. 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 7/187:52 amDEN - COD
Nonstop1h 39mUnited Airlines
Tue 7/225:15 amCOD - DEN
Nonstop1h 45mUnited Airlines
Deal found 7/3$198
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/248:30 pmDEN - BTM
Nonstop2h 02mUnited Airlines
Sun 7/2710:25 amBTM - DEN
Nonstop2h 04mUnited Airlines
Deal found 7/2$205
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/125:50 pmDEN - MSO
1 stop6h 29mHawaiian Airlines
Tue 8/194:13 pmMSO - DEN
1 stop5h 34mHawaiian Airlines
Deal found 7/1$208
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:45 amDEN - BIL
1 stop5h 08mDelta
Mon 9/156:19 pmBIL - DEN
1 stop4h 25mDelta
Deal found 7/1$209
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:45 amDEN - MSO
Nonstop2h 12mUnited Airlines
Mon 10/275:10 pmMSO - DEN
Nonstop2h 15mUnited Airlines
Deal found 7/2$209
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/252:55 pmDEN - HLN
Nonstop2h 00mUnited Airlines
Mon 7/285:39 pmHLN - DEN
Nonstop2h 01mUnited Airlines
Deal found 7/2$209
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.
Sat 9/67:20 amDEN - WYS
1 stop3h 16mDelta
Thu 9/113:27 pmWYS - DEN
1 stop4h 16mDelta
Deal found 7/2$210
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/298:00 amDEN - MSO
1 stop7h 17mAlaska Airlines
Tue 7/296:36 pmMSO - DEN
1 stop5h 23mAlaska Airlines
Deal found 7/1$213
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 7/303:55 pmDEN - GTF
1 stop6h 50mDelta
Wed 8/66:19 pmGTF - DEN
1 stop3h 52mDelta
Deal found 7/3$214

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 July 3, 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

DenverMissoula

DEN - MSO

DENMSO

Denver Intl

Mon 7/28

9:42 am-11:54 am

Nonstop2h 12m

Missoula Johnson-Bell Field

Mon 8/4

12:40 pm-2:54 pm

Nonstop2h 14m

$128

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Tue 7/22

7:29 pm-9:03 pm

Nonstop1h 34m

Billings Logan Intl

Mon 7/28

5:00 am-6:50 am

Nonstop1h 50m

$189

DenverGreat Falls

DEN - GTF

DENGTF

Denver Intl

Wed 9/3

7:33 pm-9:28 pm

Nonstop1h 55m

Great Falls

Wed 9/10

2:35 pm-4:33 pm

Nonstop1h 58m

$195

DenverCody

DEN - COD

DENCOD

Denver Intl

Fri 7/18

7:52 am-9:31 am

Nonstop1h 39m

Cody E.E. Faust

Tue 7/22

5:15 am-7:00 am

Nonstop1h 45m

$198

DenverButte

DEN - BTM

DENBTM

Denver Intl

Thu 7/24

8:30 pm-10:32 pm

Nonstop2h 02m

Butte Silver Bow Co

Sun 7/27

10:25 am-12:29 pm

Nonstop2h 04m

$205

DenverMissoula

DEN - MSO

DENMSO

Denver Intl

Tue 8/12

5:50 pm-12:19 am

1 stop6h 29m

Missoula Johnson-Bell Field

Tue 8/19

5:45 am-10:37 am

1 stop4h 52m

$208

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Fri 9/12

5:45 am-10:53 am

1 stop5h 08m

Billings Logan Intl

Mon 9/15

6:19 pm-10:44 pm

1 stop4h 25m

$209

DenverMissoula

DEN - MSO

DENMSO

Denver Intl

Tue 7/29

1:55 pm-4:12 pm

Nonstop2h 17m

Missoula Johnson-Bell Field

Tue 8/5

6:15 am-8:21 am

Nonstop2h 06m

$209

DenverHelena

DEN - HLN

DENHLN

Denver Intl

Fri 7/25

2:55 pm-4:55 pm

Nonstop2h 00m

Helena

Mon 7/28

5:39 pm-7:40 pm

Nonstop2h 01m

$209

DenverWest Yellowstone

DEN - WYS

DENWYS

Denver Intl

Sat 9/6

7:45 am-9:37 am

Nonstop1h 52m

West Yellowstone

Thu 9/11

1:51 pm-3:35 pm

Nonstop1h 44m

$210

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 60 results
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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 July 3, 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 July 3, 2025.

The most flights from USCO to USMT are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 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 July 3, 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

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

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

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

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.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

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
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

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

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

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 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, 2 users have taken a look at flights from Colorado to Montana.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $69. Delta flights start at $90 while deals on Hawaiian Airlines start at $104 one-way.

  • 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.

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Alternative routes for Colorado to Montana

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$116FlexibilityNo cancel feeOn-time62%
DeltaCheapest$156Average$306FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$175Average$293FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$191Average$432FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$248Average$359FlexibilityNo cancel feeOn-time63%

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