Which airlines fly to Colorado?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Colorado from Montreal according to our data. Air Canada is the first choice among our users, with 74% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Montreal to Colorado?

American Airlines, Air Canada, and Delta are the most popular carriers operating from Montreal to Colorado

How many flights depart from Montreal to Colorado on average per week?

The number of flights available between Montreal and Colorado is 19 per week as of February 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

How many flights depart from Montreal to Colorado on average per day?

The number of flights available between Montreal and Colorado is 2 per day as of February 2026. The most frequent departure time is 5:00p.m., with 100% of daily flights leaving in the afternoon.

When did momondo last update prices for flights from Montreal to Colorado?

Prices for flights from Montreal to Colorado are refreshed on a daily basis.

How many operators does momondo search for flights from Montreal to Colorado?

There are 4 operators available for flights from Montreal to Colorado as of February 2026.

How old do you have to be to fly from Montreal to Colorado?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 264 Cheap Flights from Montreal to Colorado in 2026

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Montreal to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:25 p.m. - 7:55 p.m.

YUL

DEN

4h 30mdirect

8:05 a.m. - 9:00 p.m.

DEN

YUL

10h 55m

1 stop

C$ 519Air Canada

Mon, 23 Feb - Sun, 1 Mar

5:25 p.m. - 7:55 p.m.

YUL

DEN

4h 30mdirect

11:15 a.m. - 4:58 p.m.

DEN

YUL

3h 43mdirect

C$ 520Air Canada

Mon, 23 Feb - Sun, 1 Mar

12:10 p.m. - 4:40 p.m.

YUL

DEN

6h 30m

1 stop

8:05 a.m. - 7:25 p.m.

DEN

YUL

9h 20m

1 stop

C$ 523Air Canada

Mon, 23 Feb - Sun, 1 Mar

7:15 a.m. - 11:20 a.m.

YUL

DEN

30h 05m

1 stop

12:15 p.m. - 12:40 a.m.

DEN

YUL

34h 25m

2 stops

C$ 526WestJet

Sun, 17 May - Wed, 20 May

6:00 a.m. - 7:36 p.m.

YUL

DEN

15h 36m

2 stops

12:51 p.m. - 11:59 a.m.

DEN

YUL

21h 08m

2 stops

C$ 533Delta

Wed, 11 Mar - Tue, 24 Mar

6:45 a.m. - 11:20 a.m.

YUL

DEN

30h 35m

2 stops

12:15 p.m. - 12:40 a.m.

DEN

YUL

34h 25m

2 stops

C$ 535WestJet

Sun, 17 May - Wed, 20 May

4:35 p.m. - 11:09 p.m.

YUL

DEN

32h 34m

1 stop

7:05 p.m. - 12:38 a.m.

DEN

YUL

27h 33m

2 stops

C$ 538Multiple Airlines

Tue, 10 Mar - Mon, 16 Mar

2:20 p.m. - 9:57 p.m.

YUL

COS

9h 37m

2 stops

11:40 a.m. - 12:13 a.m.

COS

YUL

10h 33m

2 stops

C$ 616United Airlines

Wed, 8 Apr - Sat, 11 Apr

9:45 a.m. - 6:33 p.m.

YUL

COS

10h 48m

2 stops

11:40 a.m. - 12:13 a.m.

COS

YUL

10h 33m

2 stops

C$ 617United Airlines

Wed, 8 Apr - Sat, 11 Apr

12:42 p.m. - 8:28 p.m.

YUL

COS

9h 46m

1 stop

8:15 a.m. - 11:40 p.m.

COS

YUL

13h 25m

2 stops

C$ 651Delta

Wed, 8 Apr - Sat, 11 Apr

Air Canada flights from Montreal to Colorado

Our best Air Canada deals on Montreal to Colorado flight tickets

Air Canada

23 Feb

YUL8:50 a.m.Montreal Pierre Elliott Trudeau Intl

9h 50m

2 stops

DEN4:40 p.m.Denver Intl

1 Mar

DEN8:05 a.m.Denver Intl

10h 55m

1 stop

YUL9:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 519

Air Canada

23 Feb

YUL5:25 p.m.Montreal Pierre Elliott Trudeau Intl

4h 30m

DEN7:55 p.m.Denver Intl

1 Mar

DEN11:15 a.m.Denver Intl

3h 43m

YUL4:58 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 520

Air Canada

23 Feb

YUL12:10 p.m.Montreal Pierre Elliott Trudeau Intl

6h 30m

1 stop

DEN4:40 p.m.Denver Intl

1 Mar

DEN8:05 a.m.Denver Intl

9h 20m

1 stop

YUL7:25 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 523

WestJet flights from Montreal to Colorado

Our best WestJet deals on Montreal to Colorado flight tickets

WestJet

17 May

YUL7:15 a.m.Montreal Pierre Elliott Trudeau Intl

30h 05m

1 stop

DEN11:20 a.m.Denver Intl

20 May

DEN12:15 p.m.Denver Intl

34h 25m

2 stops

YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 526

WestJet

17 May

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

30h 35m

2 stops

DEN11:20 a.m.Denver Intl

20 May

DEN12:15 p.m.Denver Intl

34h 25m

2 stops

YUL12:40 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 535

WestJet

17 May

YUL7:15 a.m.Montreal Pierre Elliott Trudeau Intl

30h 05m

1 stop

DEN11:20 a.m.Denver Intl

20 May

DEN12:15 p.m.Denver Intl

9h 30m

1 stop

YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 635

Fly from

Fly to

Route

Depart

Return

Price

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

5:25 p.m.-7:55 p.m.

Nonstop4h 30m

Denver Intl

Sun 1/3

8:05 a.m.-9:00 p.m.

1 stop10h 55m

C$ 519

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

5:25 p.m.-7:55 p.m.

Nonstop4h 30m

Denver Intl

Sun 1/3

11:15 a.m.-4:58 p.m.

Nonstop3h 43m

C$ 520

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

12:10 p.m.-4:40 p.m.

1 stop6h 30m

Denver Intl

Sun 1/3

8:05 a.m.-7:25 p.m.

1 stop9h 20m

C$ 523

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

7:15 a.m.-11:20 a.m.

1 stop30h 05m

Denver Intl

Wed 20/5

12:15 p.m.-12:40 a.m.

2 stops34h 25m

C$ 526

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

6:00 a.m.-7:36 p.m.

2 stops15h 36m

Denver Intl

Tue 24/3

12:51 p.m.-11:59 a.m.

2 stops21h 08m

C$ 533

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

6:45 a.m.-11:20 a.m.

2 stops30h 35m

Denver Intl

Wed 20/5

12:15 p.m.-12:40 a.m.

2 stops34h 25m

C$ 535

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

4:35 p.m.-11:09 p.m.

1 stop32h 34m

Denver Intl

Mon 16/3

7:05 p.m.-12:38 a.m.

2 stops27h 33m

C$ 538

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

2:20 p.m.-9:57 p.m.

2 stops9h 37m

Colorado Springs

Sat 11/4

11:40 a.m.-12:13 a.m.

2 stops10h 33m

C$ 616

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

9:45 a.m.-6:33 p.m.

2 stops10h 48m

Colorado Springs

Sat 11/4

11:40 a.m.-12:13 a.m.

2 stops10h 33m

C$ 617

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

12:42 p.m.-8:28 p.m.

1 stop9h 46m

Colorado Springs

Sat 11/4

8:15 a.m.-11:40 p.m.

2 stops13h 25m

C$ 651

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal to Colorado

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 Colorado?

The cheapest month to fly to Colorado from Montreal is in September. Flight prices, which tend to average around C$ 535, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in September, then you should wait until November to fly from Montreal, when ticket prices are also cheap, with an average price of C$ 535.

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

The cheapest day to depart on your flight to Colorado is on a Wednesday when prices can be found for as low as C$ 730. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Montreal because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,002.

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

According to our data, the cheapest time of day to fly to Colorado is in the morning. momondo users have found flights departing from Montreal to Colorado in the morning for as low as C$ 797. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around C$ 908. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Montreal to Colorado flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Denver Intl for the best Montreal - Colorado flight prices

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

You are more likely to see cheaper flights to Colorado from Montreal when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around C$ 675 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Montreal for as low as C$ 546 on momondo.

What cabin class options are available on Montreal to Colorado flights?

There are 3 cabin classes available to choose from on Montreal to Colorado 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 Montreal to Colorado flights?

No. A direct flight is the cheapest option for a flight between Montreal to Colorado.

Cheap Montreal to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Colorado

Best price found	C$ 457
Fastest flight time	4h 18m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Montreal in the past 72 hours is C$ 457. The best round-trip flight deal from Montreal to Colorado found on momondo in the last 72 hours is C$ 663.

The fastest flight from Montreal to Colorado takes 4h 18m

Direct flights go from Montreal to Colorado every day.

There are 87 airports in Colorado. From Montreal there are direct flights to Denver Intl (DEN).

Search flight deals

When did momondo last update prices for flights from Montreal to Colorado?
Prices for flights from Montreal to Colorado are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal to Colorado?
There are 4 operators available for flights from Montreal to Colorado as of February 2026.
How old do you have to be to fly from Montreal to Colorado?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Montreal to Colorado?
Based on momondo bookings for flights between Montreal and Colorado, the leading plane model is Airbus A220-300, making up 38.03% of the total bookings. Other popular models include Boeing 737 MAX 8 with 29.93%, Airbus A321-100/200 with 4.93%, and Airbus A330-200 with 4.93%.

Best airlines flying from Montreal to Colorado

Compare and see reviews for airlines that fly from Montreal to Colorado with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 367	Free Cancellation	Rating 7.4 9,231 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 397	Free Cancellation	Rating 7.2 3,254 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 415	Free Cancellation	Rating 7.1 10,676 reviews	Search Air Canada flights
American Airlines	PriceFrom C$ 552	Free Cancellation	Rating 7.2 11,212 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Colorado?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Colorado for you.

Can I find flights from Montreal to Colorado with flexible booking policies on momondo?

Flights from Montreal to Colorado with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Montreal to Colorado?

Once you have performed a search for Montreal to Colorado flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Colorado from Montreal are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.