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$87+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BZN
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap 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 December 21, 2025.

This Delta deal was found by Cheapflights users on 12/19. 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.
Wed 12/316:27 pmDEN - BIL
1 stop4h 14mDelta
Thu 1/15:15 amBIL - DEN
1 stop5h 45mDelta
Deal found 12/19$299
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Wed 12/318:00 amDEN - BIL
Nonstop1h 49mUnited Airlines
Thu 1/16:35 amBIL - DEN
Nonstop1h 44mUnited Airlines
Deal found 12/19$339
This Delta deal was found by Cheapflights users on 12/18. 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.
Tue 12/305:30 amDEN - BZN
1 stop5h 47mDelta
Tue 12/305:30 pmBZN - DEN
1 stop5h 53mDelta
Deal found 12/18$339
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/296:27 pmDEN - MSO
1 stop6h 06mDelta
Mon 1/55:00 amMSO - DEN
1 stop4h 38mDelta
Deal found 12/21$354
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Fri 12/261:37 pmDEN - BZN
Nonstop1h 50mUnited Airlines
Fri 1/26:15 amBZN - DEN
Nonstop2h 04mUnited Airlines
Deal found 12/19$358
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Fri 12/197:25 pmDEN - MSO
Nonstop2h 16mUnited Airlines
Mon 1/126:00 amMSO - DEN
Nonstop2h 24mUnited Airlines
Deal found 12/19$359
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Sun 12/217:45 pmDEN - BIL
Nonstop1h 39mUnited Airlines
Sat 12/276:35 amBIL - DEN
Nonstop1h 44mUnited Airlines
Deal found 12/19$364
This Delta deal was found by Cheapflights users on 12/19. 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.
Tue 12/236:27 pmDEN - GTF
1 stop4h 03mDelta
Fri 12/266:18 pmGTF - DEN
1 stop4h 38mDelta
Deal found 12/19$388
This United Airlines deal was found by Cheapflights users on 12/20. 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 12/237:00 amDRO - BZN
1 stop6h 37mUnited Airlines
Mon 12/294:25 pmBZN - DRO
1 stop4h 39mUnited Airlines
Deal found 12/20$398
This United Airlines deal was found by Cheapflights users on 12/20. 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 12/2011:45 amDEN - BIL
Nonstop1h 39mUnited Airlines
Sat 12/276:35 amBIL - DEN
Nonstop1h 44mUnited Airlines
Deal found 12/20$399
This Delta deal was found by Cheapflights users on 12/19. 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.
Wed 12/247:10 amDEN - BZN
1 stop4h 07mDelta
Sat 12/275:20 amBZN - DEN
1 stop5h 40mDelta
Deal found 12/19$399
This Delta deal was found by Cheapflights users on 12/19. 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.
Tue 12/237:10 amDEN - HLN
1 stop5h 20mDelta
Thu 12/255:30 amHLN - DEN
1 stop5h 35mDelta
Deal found 12/19$399

Find flight deals from Colorado to Montana

Keep the following information in mind while searching for Colorado to Montana flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$183
(Delta)

One-way from

$87
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$319

Good round-trip deal

$209 or less

Good one-way deal

$175 or less
Provider with most accurate pricing for Denver Intl-Bozeman Gallatin Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Bozeman Gallatin Field flights.
Search Deals
From Colorado to Montana
Search Deals
One-way flight from Colorado to Montana
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 December 21, 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

DenverBozeman

DEN - BZN

DENBZN

Denver Intl

Mon 2/23

6:40 am-2:20 pm

1 stop7h 40m

Bozeman Gallatin Field

Sat 2/28

3:05 pm-11:25 pm

1 stop8h 20m

$183

DenverBozeman

DEN - BZN

DENBZN

Denver Intl

Sat 1/31

5:09 pm-11:56 pm

1 stop6h 47m

Bozeman Gallatin Field

Tue 2/3

7:25 pm-11:35 pm

1 stop28h 10m

$183

DenverBozeman

DEN - BZN

DENBZN

Denver Intl

Sun 1/18

6:29 am-2:20 pm

1 stop7h 51m

Bozeman Gallatin Field

Sun 1/25

3:00 pm-11:25 pm

1 stop8h 25m

$183

DenverBozeman

DEN - BZN

DENBZN

Denver Intl

Wed 1/14

12:49 pm-10:27 pm

2 stops9h 38m

Bozeman Gallatin Field

Fri 1/16

3:00 pm-11:25 pm

1 stop8h 25m

$188

DenverBozeman

DEN - BZN

DENBZN

Denver Intl

Tue 2/24

12:30 pm-11:15 pm

2 stops10h 45m

Bozeman Gallatin Field

Sat 2/28

3:05 pm-11:25 pm

1 stop8h 20m

$188

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Thu 4/23

7:20 pm-8:57 pm

Nonstop1h 37m

Billings Logan Intl

Sun 4/26

7:00 am-8:52 am

Nonstop1h 52m

$189

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Fri 1/30

1:40 pm-3:22 pm

Nonstop1h 42m

Billings Logan Intl

Tue 2/3

2:45 pm-4:29 pm

Nonstop1h 44m

$189

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Wed 5/27

11:40 am-1:13 pm

Nonstop1h 33m

Billings Logan Intl

Wed 6/3

2:40 pm-4:23 pm

Nonstop1h 43m

$189

DenverBillings

DEN - BIL

DENBIL

Denver Intl

Fri 1/16

11:45 am-1:24 pm

Nonstop1h 39m

Billings Logan Intl

Fri 1/23

6:30 am-8:13 am

Nonstop1h 43m

$189

DurangoBozeman

DRO - BZN

DROBZN

Durango La Plata County

Wed 3/4

5:50 am-2:51 pm

1 stop9h 01m

Bozeman Gallatin Field

Tue 3/10

1:47 pm-9:23 pm

1 stop7h 36m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 60 results
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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, November is the cheapest month in which you can book a flight from Colorado to Montana (average of $49). Flying from Colorado to Montana in December is currently the most expensive (average of $189). 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 December 21, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Colorado to Montana by exploring options for tickets in the evening.

What is the cheapest day to fly from Colorado to Montana?

Use this chart to determine the cheapest time to fly round-trip from Colorado to Montana. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Colorado to Montana flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 21, 2025.

The most flights from USCO to USMT are scheduled on a Saturday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 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 December 21, 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
11,494 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,494 reviews
Alaska Airlines
8.0
Very good
11,494 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Southwest
8.0
Very good
4,256 reviews
Alaska Airlines
8.0
Very good
11,494 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Delta
7.9
Good
8,019 reviews
Alaska Airlines
8.0
Very good
11,494 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,099 reviews
Alaska Airlines
8.0
Very good
11,494 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Frontier
5.8
Fair
3,082 reviews
Alaska Airlines
8.0
Very good
11,494 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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, 4 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 37m. Airlines will cover a distance of 455 mi. This flight may include one or multiple stops.

  • 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 $80. Delta flights start at $94 while deals on United Airlines start at $103 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, November is the cheapest month in which you can book a flight from Colorado to Montana (average of $49). Flying from Colorado to Montana in December is currently the most expensive (average of $189). 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

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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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$79Average$155FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$301FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$169Average$407FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$175Average$283FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$220Average$359FlexibilityNo cancel feeOn-time63%

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