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

United Airlines is the most popular carrier 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 21 per week as of December 2025. The most frequent departure day is Mon, with 14% 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 3 per day as of December 2025. The most frequent departure time is 5:00p.m., with 100% of daily flights leaving in the afternoon.

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 71% 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.

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 December 2025.

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$ 234 Cheap Flights from Montreal to Colorado in 2025/26

1 adult

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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.

4:35 p.m. - 8:30 a.m.

YUL

DEN

17h 55m1 stop

9:44 p.m. - 7:05 a.m.

DEN

YUL

31h 21m2 stops

C$ 459Multiple Airlines

Sun, 25 Jan - Tue, 3 Feb

4:35 p.m. - 8:30 a.m.

YUL

DEN

17h 55m1 stop

7:10 a.m. - 7:05 a.m.

DEN

YUL

21h 55m2 stops

C$ 470Multiple Airlines

Sun, 25 Jan - Thu, 29 Jan

6:45 a.m. - 6:50 p.m.

YUL

DEN

14h 05m1 stop

12:15 p.m. - 12:42 a.m.

DEN

YUL

10h 27m1 stop

C$ 478WestJet

Fri, 29 May - Sun, 31 May

4:35 p.m. - 8:30 a.m.

YUL

DEN

17h 55m1 stop

9:44 p.m. - 7:05 a.m.

DEN

YUL

31h 21m2 stops

C$ 481Multiple Airlines

Sun, 25 Jan - Wed, 4 Feb

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

YUL

DEN

4h 30mdirect

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

DEN

YUL

9h 20m1 stop

C$ 508Air Canada

Thu, 8 Jan - Wed, 14 Jan

6:00 a.m. - 11:02 a.m.

YUL

COS

7h 02m1 stop

5:05 p.m. - 3:16 p.m.

COS

YUL

20h 11m2 stops

C$ 767United Airlines

Thu, 29 Jan - Mon, 2 Feb

6:00 a.m. - 11:02 a.m.

YUL

COS

7h 02m1 stop

5:05 p.m. - 3:16 p.m.

COS

YUL

20h 11m2 stops

C$ 778United Airlines

Thu, 29 Jan - Mon, 2 Feb

6:00 a.m. - 2:34 p.m.

YUL

COS

10h 34m2 stops

3:30 p.m. - 1:53 a.m.

COS

YUL

8h 23m2 stops

C$ 803Air Canada

Thu, 29 Jan - Mon, 2 Feb

7:00 a.m. - 10:02 p.m.

YUL

GJT

17h 02m2 stops

7:40 a.m. - 11:45 a.m.

GJT

YUL

26h 05m2 stops

C$ 843Delta

Sat, 17 Jan - Wed, 21 Jan

7:00 a.m. - 10:02 p.m.

YUL

GJT

17h 02m2 stops

7:40 a.m. - 11:45 a.m.

GJT

YUL

26h 05m2 stops

C$ 854Delta

Sat, 17 Jan - Wed, 21 Jan

Air Canada flights from Montreal to Colorado

Our best Air Canada deals on Montreal to Colorado flight tickets

Air Canada

8 Jan

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

4h 30m

DEN7:55 p.m.Denver Intl

14 Jan

DEN8:05 a.m.Denver Intl

9h 20m

1 stop

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

C$ 508

Find similar

Air Canada

20 Jan

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

4h 30m

DEN7:55 p.m.Denver Intl

27 Jan

DEN11:15 a.m.Denver Intl

3h 43m

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

C$ 517

Find similar

Air Canada

20 Jan

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

4h 30m

DEN7:55 p.m.Denver Intl

27 Jan

DEN8:05 a.m.Denver Intl

10h 50m

1 stop

YUL8:55 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 524

Find similar

Delta flights from Montreal to Colorado

Our best Delta deals on Montreal to Colorado flight tickets

Delta

26 Jan

YUL6:02 p.m.Montreal Pierre Elliott Trudeau Intl

18h 55m

2 stops

DEN10:57 a.m.Denver Intl

18 Feb

DEN6:00 a.m.Denver Intl

15h 59m

2 stops

YUL11:59 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 565

Find similar

Delta

17 Jan

YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl

22h 00m

1 stop

DEN10:25 a.m.Denver Intl

21 Jan

DEN6:41 a.m.Denver Intl

15h 09m

2 stops

YUL11:50 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 566

Find similar

Delta

26 Jan

YUL7:30 p.m.Montreal Pierre Elliott Trudeau Intl

16h 55m

1 stop

DEN10:25 a.m.Denver Intl

5 Feb

DEN6:40 a.m.Denver Intl

15h 19m

2 stops

YUL11:59 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 575

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

4:35 p.m.-8:30 a.m.

1 stop17h 55m

Denver Intl

Tue 3/2

9:44 p.m.-7:05 a.m.

2 stops31h 21m

C$ 459

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

4:35 p.m.-8:30 a.m.

1 stop17h 55m

Denver Intl

Thu 29/1

7:10 a.m.-7:05 a.m.

2 stops21h 55m

C$ 470

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:45 a.m.-6:50 p.m.

1 stop14h 05m

Denver Intl

Sun 31/5

12:15 p.m.-12:42 a.m.

1 stop10h 27m

C$ 478

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

4:35 p.m.-8:30 a.m.

1 stop17h 55m

Denver Intl

Wed 4/2

9:44 p.m.-7:05 a.m.

2 stops31h 21m

C$ 481

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 8/1

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

Nonstop4h 30m

Denver Intl

Wed 14/1

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

1 stop9h 20m

C$ 508

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

6:00 a.m.-11:02 a.m.

1 stop7h 02m

Colorado Springs

Mon 2/2

5:05 p.m.-3:16 p.m.

2 stops20h 11m

C$ 767

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

6:00 a.m.-11:02 a.m.

1 stop7h 02m

Colorado Springs

Mon 2/2

5:05 p.m.-3:16 p.m.

2 stops20h 11m

C$ 778

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Thu 29/1

6:00 a.m.-2:34 p.m.

2 stops10h 34m

Colorado Springs

Mon 2/2

3:30 p.m.-1:53 a.m.

2 stops8h 23m

C$ 803

MontrealGrand Junction

YUL - GJT

YULGJT

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

7:00 a.m.-10:02 p.m.

2 stops17h 02m

Grand Junction Regnl

Wed 21/1

7:40 a.m.-11:45 a.m.

2 stops26h 05m

C$ 843

MontrealGrand Junction

YUL - GJT

YULGJT

Montreal Pierre Elliott Trudeau Intl

Sat 17/1

7:00 a.m.-10:02 p.m.

2 stops17h 02m

Grand Junction Regnl

Wed 21/1

7:40 a.m.-11:45 a.m.

2 stops26h 05m

C$ 854

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$ 540, 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$ 540.

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$ 787. 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$ 1,016.

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 evening. momondo users have found flights departing from Montreal to Colorado in the evening for as low as C$ 810. 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$ 930. 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$ 705 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$ 548 on momondo.

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

There are 4 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$ 353
Fastest flight time	4h 20m
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$ 353. The best round-trip flight deal from Montreal to Colorado found on momondo in the last 72 hours is C$ 674.

The fastest flight from Montreal to Colorado takes 4h 20m

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 December 2025.
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 48.55% of the total bookings. Other popular models include Boeing 737 MAX 8 with 21.58%, Airbus A320-100/200 with 6.22%, and Airbus A330-200 with 4.15%.

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
WestJet	PriceFrom C$ 405	Free Cancellation	Rating 7.2 3,205 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 417	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 420	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
American Airlines	PriceFrom C$ 556	Free Cancellation	Rating 7.2 11,054 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.