What airlines fly to Denver?

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Denver from Montana according to our data. United Airlines is the first choice among our users, with 82% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

How many flights depart from Montana to Denver on average per day?

40 flights are operational daily from Montana to Denver as of September 2025. The most popular departure time for this route is 2:00PM, with 49% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Montana to Denver Intl?

Frontier, Delta, and Alaska Airlines are the most popular carriers operating from Montana to Denver Intl

How long does it take to fly to Denver?

Flight times vary depending on what airport in Montana you fly out of and what airport in Denver you fly into. For example, flying from Bozeman to Denver takes 1h 40m on average. On the other hand, flying from Billings to Denver takes 1h 42m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

How many flights depart from Montana to Denver on average per week?

The number of flights available between Montana and Denver is 286 per week as of September 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

When did momondo last update prices for flights from Montana to Denver Intl Airport?

Prices for flights from Montana to Denver Intl Airport refresh daily.

How many operators does momondo search for flights from Montana to Denver Intl Airport?

As of September 2025, there are 5 operators available to choose from for flights from Montana to Denver Intl Airport.

How old do you have to be to fly from Montana to Denver Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$61 Cheap Flights from Montana to Denver in 2025/26

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Find the cheapest flights from Montana to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

12:50 pm - 3:02 pmMSO-DEN

2h 12mnonstop

9:48 am - 11:55 amDEN-MSO

2h 07mnonstop

$118Frontier

Find Deal

Fri, Oct 17 - Mon, Oct 20

12:50 pm - 3:02 pmMSO-DEN

2h 12mnonstop

9:48 am - 11:55 amDEN-MSO

2h 07mnonstop

$123Frontier

Find Deal

Fri, Oct 10 - Mon, Oct 13

5:54 pm - 7:43 pmBIL-DEN

1h 49mnonstop

7:15 pm - 8:49 pmDEN-BIL

1h 34mnonstop

$189United Airlines

Find Deal

Tue, Oct 7 - Sat, Oct 18

12:50 pm - 3:02 pmMSO-DEN

2h 12mnonstop

7:02 pm - 11:59 pmDEN-MSO

4h 57m1 stop

$189Multiple Airlines

Find Deal

Mon, Oct 13 - Wed, Oct 15

6:35 am - 8:19 amBIL-DEN

1h 44mnonstop

7:45 pm - 9:24 pmDEN-BIL

1h 39mnonstop

$194United Airlines

Find Deal

Wed, Dec 24 - Sat, Dec 27

5:18 am - 11:07 amBIL-DEN

5h 49m1 stop

7:05 am - 11:02 amDEN-BIL

3h 57m1 stop

$199Delta

Find Deal

Sat, Nov 15 - Tue, Nov 18

4:12 pm - 11:57 pmMSO-DEN

7h 45m1 stop

6:46 pm - 12:13 amDEN-MSO

5h 27m1 stop

$208Hawaiian Airlines

Find Deal

Sat, Nov 1 - Fri, Nov 7

5:25 am - 9:18 amBIL-DEN

3h 53m1 stop

6:18 pm - 11:10 pmDEN-BIL

4h 52m1 stop

$209Delta

Find Deal

Tue, Sep 30 - Fri, Oct 3

12:50 pm - 3:02 pmMSO-DEN

2h 12mnonstop

8:10 am - 3:23 pmDEN-MSO

7h 13m1 stop

$212Multiple Airlines

Find Deal

Fri, Oct 17 - Tue, Oct 21

4:12 pm - 9:46 pmMSO-DEN

5h 34m1 stop

7:02 pm - 11:59 pmDEN-MSO

4h 57m1 stop

$227Hawaiian Airlines

Find Deal

Sat, Oct 11 - Tue, Oct 14

United Airlines flights from Montana to Denver

Our best United Airlines deals on Montana to Denver flight tickets

United Airlines

Oct 7

BIL5:54 pmBillings Logan Intl

1h 49m

DEN7:43 pmDenver Intl

Oct 18

DEN7:15 pmDenver Intl

1h 34m

BIL8:49 pmBillings Logan Intl

$189

Find similar

United Airlines

Dec 24

BIL6:35 amBillings Logan Intl

1h 44m

DEN8:19 amDenver Intl

Dec 27

DEN7:45 pmDenver Intl

1h 39m

BIL9:24 pmBillings Logan Intl

$194

Find similar

United Airlines

Oct 9

GTF2:31 pmGreat Falls

1h 58m

DEN4:29 pmDenver Intl

Oct 12

DEN7:15 pmDenver Intl

1h 56m

GTF9:11 pmGreat Falls

$199

Find similar

Delta flights from Montana to Denver

Our best Delta deals on Montana to Denver flight tickets

Delta

Nov 15

BIL5:18 amBillings Logan Intl

5h 49m

1 stop

DEN11:07 amDenver Intl

Nov 18

DEN7:05 amDenver Intl

3h 57m

1 stop

BIL11:02 amBillings Logan Intl

$199

Find similar

Delta

Sep 30

BIL5:25 amBillings Logan Intl

3h 53m

1 stop

DEN9:18 amDenver Intl

Oct 3

DEN6:18 pmDenver Intl

4h 52m

1 stop

BIL11:10 pmBillings Logan Intl

$209

Find similar

Delta

Oct 3

BIL5:25 amBillings Logan Intl

3h 53m

1 stop

DEN9:18 amDenver Intl

Oct 7

DEN3:41 pmDenver Intl

6h 44m

1 stop

BIL10:25 pmBillings Logan Intl

$219

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MissoulaDenver

MSO - DEN

MSODEN

Missoula Johnson-Bell Field

Fri 10/17

12:50 pm-3:02 pm

Nonstop2h 12m

Denver Intl

Mon 10/20

9:48 am-11:55 am

Nonstop2h 07m

$118

MissoulaDenver

MSO - DEN

MSODEN

Missoula Johnson-Bell Field

Fri 10/10

12:50 pm-3:02 pm

Nonstop2h 12m

Denver Intl

Mon 10/13

9:48 am-11:55 am

Nonstop2h 07m

$123

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Tue 10/7

5:54 pm-7:43 pm

Nonstop1h 49m

Denver Intl

Sat 10/18

7:15 pm-8:49 pm

Nonstop1h 34m

$189

MissoulaDenver

MSO - DEN

MSODEN

Missoula Johnson-Bell Field

Mon 10/13

12:50 pm-3:02 pm

Nonstop2h 12m

Denver Intl

Wed 10/15

7:02 pm-11:59 pm

1 stop4h 57m

$189

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Wed 12/24

6:35 am-8:19 am

Nonstop1h 44m

Denver Intl

Sat 12/27

7:45 pm-9:24 pm

Nonstop1h 39m

$194

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Sat 11/15

5:18 am-11:07 am

1 stop5h 49m

Denver Intl

Tue 11/18

7:05 am-11:02 am

1 stop3h 57m

$199

MissoulaDenver

MSO - DEN

MSODEN

Missoula Johnson-Bell Field

Sat 11/1

4:12 pm-11:57 pm

1 stop7h 45m

Denver Intl

Fri 11/7

6:46 pm-12:13 am

1 stop5h 27m

$208

BillingsDenver

BIL - DEN

BILDEN

Billings Logan Intl

Tue 9/30

5:25 am-9:18 am

1 stop3h 53m

Denver Intl

Fri 10/3

6:18 pm-11:10 pm

1 stop4h 52m

$209

MissoulaDenver

MSO - DEN

MSODEN

Missoula Johnson-Bell Field

Fri 10/17

12:50 pm-3:02 pm

Nonstop2h 12m

Denver Intl

Tue 10/21

8:10 am-3:23 pm

1 stop7h 13m

$212

MissoulaDenver

MSO - DEN

MSODEN

Missoula Johnson-Bell Field

Sat 10/11

4:12 pm-9:46 pm

1 stop5h 34m

Denver Intl

Tue 10/14

7:02 pm-11:59 pm

1 stop4h 57m

$227

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How to get the cheapest flight ticket from Montana to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Montana is in August. Flight prices, which tend to average around $292, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in August, then you should wait until April to fly from Montana, when ticket prices are also cheap, with an average price of $328.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $440. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $586.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $369. Flights in the morning are often more expensive with an average ticket price of $504.

What is the cheapest Montana to Denver Intl flight route?

Fly from Bozeman Gallatin Field to Denver Intl for the best Montana - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Montana when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Montana for as low as $241 on momondo.

What cabin class options are available on Montana to Denver Intl flights?

There are 4 cabin classes available to choose from on Montana to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montana to Denver flights?

You could potentially save up to 5% on your flight if you consider stops on a Montana to Denver flight.

Cheap Montana to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Denver

Best Price Found	$213
Fastest flight time	1h 35m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Montana in the past 72 hours is $213. The best round-trip flight deal from Montana to Denver found on momondo in the last 72 hours is $308.

The fastest flight from Montana to Denver takes 1h 35m

Direct flights go from Montana to Denver every day.

There is 1 airport near Denver: Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Montana to Denver Intl Airport?
Prices for flights from Montana to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from Montana to Denver Intl Airport?
As of September 2025, there are 5 operators available to choose from for flights from Montana to Denver Intl Airport.
How old do you have to be to fly from Montana to Denver Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Montana to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montana to Denver is Boeing 737-900 (16.79% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (15.63%), Boeing 737-800 (15.03%), and Canadair (Bombardier) Regional Jet 700 (9.68%).

Best airlines flying from Montana to Denver

Compare and see reviews for airlines that fly from Montana to Denver with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $88	Free Cancellation	Rating 5.8 3,171 reviews	Search Frontier flights
United Airlines	PriceFrom $187	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $196	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
Alaska Airlines	PriceFrom $207	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $217	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights

Estes Park

Breckenridge

Black Hawk

Aurora

Fort Collins

Keystone

Cripple Creek

Boulder

Manitou Springs

Longmont

Lakewood

Greeley

Thornton

Westminster

Winter Park

Copper Mountain

Frisco

Grand Lake

Silverthorne

Central City

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Denver?

Finding the right flight to Denver from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Denver quick and easy, saving you time and money.

Can I find flights from Montana to Denver with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Montana to Denver flights to just show those with flexible booking policies.

How can momondo help me find flights from Montana to Denver?

momondo helps you find the best flight between Montana and Denver by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Montana to Denver right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Montana to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Montana to Denver from $61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montana to Denver departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Montana to Denver

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United Airlines flights from Montana to Denver

Our best United Airlines deals on Montana to Denver flight tickets

Delta flights from Montana to Denver

Our best Delta deals on Montana to Denver flight tickets

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How to get the cheapest flight ticket from Montana to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $440. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $586.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $369. Flights in the morning are often more expensive with an average ticket price of $504.

What is the cheapest Montana to Denver Intl flight route?

Fly from Bozeman Gallatin Field to Denver Intl for the best Montana - Denver Intl flight prices

How far in advance should I book a flight to Denver?

What cabin class options are available on Montana to Denver Intl flights?

There are 4 cabin classes available to choose from on Montana to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montana to Denver flights?

You could potentially save up to 5% on your flight if you consider stops on a Montana to Denver flight.

What is the cheapest airline that flies from Montana to Denver Intl?

Frontier, Delta, and Alaska Airlines are the most popular carriers operating from Montana to Denver Intl

What airlines fly to Denver?

How many flights depart from Montana to Denver on average per day?

40 flights are operational daily from Montana to Denver as of September 2025. The most popular departure time for this route is 2:00PM, with 49% of flights per day taking off in the afternoon.

How many flights depart from Montana to Denver on average per week?

The number of flights available between Montana and Denver is 286 per week as of September 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

How long does it take to fly to Denver?

Cheap Montana to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Denver

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

When did momondo last update prices for flights from Montana to Denver Intl Airport?

How many operators does momondo search for flights from Montana to Denver Intl Airport?

How old do you have to be to fly from Montana to Denver Intl Airport?

What documentation or ID do you need to fly to Denver Intl Airport?

What is the most popular plane model from Montana to Denver?

Best airlines flying from Montana to Denver

Compare and see reviews for airlines that fly from Montana to Denver with momondo

Traveling to a place near Denver?

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Denver?

Can I find flights from Montana to Denver with flexible booking policies on momondo?

How can momondo help me find flights from Montana to Denver?

I’m not ready to book a flight from Montana to Denver right now. Can momondo alert me if prices change?

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Colorado