How long is the flight from Montreal to Colorado?

There are many flights that can get you from Montreal to Colorado in 6h 45m. Fly via Delta or United Airlines to get the fastest option. The distance from Montreal to Colorado is about 2638 km. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in Colorado ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Colorado when rainfall is around 13.0 mm.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular routes from Montreal to Colorado?

The most popular route from Montreal to Colorado is Montreal Pierre Elliott Trudeau Intl - Denver Intl. You may also consider Montreal Pierre Elliott Trudeau Intl - Colorado Springs or Montreal Pierre Elliott Trudeau Intl - Grand Junction Regnl.

What are the cheapest flights from Montreal to Colorado?

The cheapest flight price from Montreal to Colorado is C$ 423. On average you can expect to pay C$ 677. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl), can usually be booked for C$ 617.

What are the most reliable airlines from Montreal to Colorado?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Montreal to Colorado on time: Sun Country Air (100%), Air Canada (72%), United Airlines (72%).

What are the most popular airlines that fly from Montreal to Colorado?

When booking a flight from Montreal to Colorado, you may want to consider flying on Air Canada, WestJet or United Airlines as they are the most popular for this route.

Can I find deals for flights from Montreal to Colorado that include hotel bookings?

Yes. In addition to deals on Montreal to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Montreal to Colorado?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Colorado.

Can I find deals for business class flights from Montreal to Colorado?

Yes. Cheapflights offers flight deals from Montreal to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 328+ Cheap Flights from Montreal to Colorado

Cheap flight deals from Montreal to Colorado

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Montreal to Colorado
Explore the most affordable flight options available from Montreal to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Sat 5/127:10 a.m. -

2 stops15h 22m

Tue 8/128:10 a.m. -

2 stops13h 31m

Deal found 28/9C$ 617

Tue 20/106:00 a.m. -

2 stops18h 40m

Wed 28/105:25 a.m. -

2 stops16h 00m

Deal found 28/9C$ 619

Tue 20/106:00 a.m. -

2 stops18h 40m

Sat 24/107:15 a.m. -

2 stops14h 39m

Deal found 27/9C$ 667

Wed 2/124:49 p.m. -

2 stops18h 54m

Wed 9/122:31 p.m. -

1 stop7h 17m

Deal found 28/9C$ 681

Sun 25/108:10 a.m. -

1 stop10h 40m

Sun 1/111:30 p.m. -

1 stop6h 05m

Deal found 28/9C$ 698

Tue 20/106:10 a.m. -

1 stop6h 45m

Wed 21/105:30 a.m. -

2 stops8h 40m

Deal found 28/9C$ 708

Mon 2/113:10 p.m. -

2 stops19h 16m

Wed 4/117:00 a.m. -

2 stops15h 35m

Deal found 25/9C$ 711

Tue 20/106:00 a.m. -

2 stops18h 40m

Mon 26/106:00 a.m. -

1 stop9h 38m

Deal found 28/9C$ 718

Sat 7/115:10 p.m. -

2 stops18h 34m

Sat 14/118:10 a.m. -

2 stops13h 20m

Deal found 28/9C$ 725

Wed 2/125:50 p.m. -

Nonstop4h 37m

Wed 9/128:15 a.m. -

1 stop9h 20m

Deal found 28/9C$ 736

Sat 21/114:45 p.m. -

2 stops9h 14m

Thu 26/115:30 a.m. -

2 stops13h 47m

Deal found 28/9C$ 739

Thu 29/105:50 p.m. -

Nonstop4h 37m

Thu 5/118:15 a.m. -

1 stop9h 20m

Deal found 28/9C$ 741

Best flights from Montreal to Colorado
Discover carefully curated flight deals from Montreal to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Sat 5/127:10 a.m. -

2 stops15h 22m

Tue 8/128:10 a.m. -

2 stops13h 31m

Deal found 29/9C$ 680

Tue 20/106:10 a.m. -

1 stop6h 45m

Wed 21/105:30 a.m. -

2 stops8h 40m

Deal found 28/9C$ 708

Tue 20/108:15 a.m. -

1 stop14h 29m

Wed 21/105:30 a.m. -

1 stop9h 40m

Deal found 28/9C$ 813

Thu 5/112:46 p.m. -

1 stop7h 25m

Mon 9/115:25 a.m. -

2 stops16h 05m

Deal found 28/9C$ 755

Sat 21/114:45 p.m. -

2 stops9h 14m

Wed 25/1112:02 p.m. -

1 stop7h 15m

Deal found 28/9C$ 759

Wed 16/126:00 a.m. -

2 stops16h 32m

Wed 30/127:05 a.m. -

1 stop8h 20m

Deal found 27/9C$ 756

Thu 24/124:45 p.m. -

2 stops20h 55m

Wed 30/123:35 p.m. -

2 stops19h 53m

Deal found 25/9C$ 789

Fri 30/107:50 p.m. -

1 stop17h 31m

Mon 2/115:25 p.m. -

1 stop13h 07m

Deal found 25/9C$ 775

Sun 21/23:00 p.m. -

2 stops20h 40m

Fri 26/27:00 a.m. -

2 stops12h 40m

Deal found 26/9C$ 841

Fri 20/1112:44 p.m. -

1 stop11h 23m

Fri 27/114:14 p.m. -

1 stop5h 16m

Deal found 29/9C$ 780

Tue 22/124:45 p.m. -

1 stop8h 35m

Mon 28/126:00 a.m. -

1 stop11h 48m

Deal found 25/9C$ 847

Sat 21/117:10 a.m. -

2 stops15h 40m

Tue 24/116:00 a.m. -

1 stop9h 27m

Deal found 28/9C$ 807

Mon 23/119:40 a.m. -

1 stop13h 10m

Wed 25/1111:08 a.m. -

1 stop10h 22m

Deal found 28/9C$ 810

Sat 21/117:10 a.m. -

1 stop7h 48m

Tue 24/116:00 a.m. -

1 stop9h 27m

Deal found 28/9C$ 846

Sun 22/117:10 a.m. -

1 stop7h 10m

Tue 24/116:10 a.m. -

1 stop7h 48m

Deal found 28/9C$ 846

Mon 23/112:30 p.m. -

1 stop8h 20m

Sat 28/116:10 a.m. -

1 stop7h 48m

Deal found 27/9C$ 846

Find flight deals from Montreal to Colorado

Round-trip from	C$ 617
One-way from	C$ 328
Popular in	December
Cheapest in	August
Average price	C$ 752
Good round-trip deal	C$ 689 or less
Good one-way deal	C$ 511 or less

Delta
5/12-8/12
4 total stops
28h 53m total
Montreal to Colorado

Search Deals

13/11-31/12
2 total stops
28h 55m total
Montreal to Colorado

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 145 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 48 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from Montreal (YMQ) to Colorado.

Search Deals

Price to beat on a one-way flight from Montreal (YMQ) to Colorado.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

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

3 stops29h 00m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 350

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sat 5/12

7:10 a.m.-8:32 p.m.

2 stops15h 22m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 359

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

2:20 p.m.-8:47 p.m.

1 stop8h 27m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 414

MontrealColorado Springs

YUL Montreal Pierre Elliott Trudeau Intl - COS Colorado Springs

YULCOS

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

7:00 a.m.-5:35 p.m.

2 stops12h 35m

Colorado Springs

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 426

MontrealColorado Springs

YUL Montreal Pierre Elliott Trudeau Intl - COS Colorado Springs

YULCOS

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

7:00 a.m.-12:26 p.m.

1 stop7h 26m

Colorado Springs

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 426

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

9:40 a.m.-8:50 p.m.

1 stop13h 10m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 428

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 21/10

7:00 a.m.-12:04 p.m.

1 stop7h 04m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 450

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

7:00 a.m.-3:13 p.m.

1 stop10h 13m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 450

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

7:00 a.m.-3:13 p.m.

1 stop10h 13m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 450

Quickest round-trip

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

5:50 p.m.-8:27 p.m.

Nonstop4h 37m

Denver Intl

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 457

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/9

Showing 1-10 of 32 resultsSorted by cheapest first

Best time to book a flight from Montreal to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Montreal with our price prediction graph.

YUL-DEN

YUL-COS

YUL-DRO

YUL-MTJ

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 Montreal to Colorado

YMQ-USCO

YUL-DEN

YUL-COS

YUL-DRO

YUL-MTJ

What is the cheapest month to book a flight from Montreal to Colorado?

Currently, January is the cheapest month in which you can book a flight from Montreal to Colorado (average of C$ 665). Flying from Montreal to Colorado in December is currently the most expensive (average of C$ 890). 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 YMQ to CO?

When flying from Montreal to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Montreal to Colorado

The most flights from YMQ to USCO are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Montreal to Colorado?

Airfare is below average for this route at the moment.

Montreal to Colorado flights typically cost between C$ 633 and C$ 1,190 in December.
The cheapest round-trip price found within the last 5 days was C$ 617 on Delta (5 Dec-8 Dec).

How far ahead should I book a flight from Montreal to Colorado?

To ensure you get the cheapest price possible for a flight from Montreal to Colorado, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Colorado

Get a feel of what it's like to fly with Air Canada from Montreal to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

11,706 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Micheline,Aug 2026

YUL - LAX

The wheelchair was offered asa i presented myself, the staff was attentive, friendly and helpful. The check in was quick and i was delivered to my gate in a timely manner. My carryon bag did not fit under the aisle seat, but does fit under the middle seat. I had no access to my carryon as it had to go in the overhead bin. The wheelchair was available as i deplaned. The attendant was very helpful and friendly. I’ve noticed a big improvement in this service during the last few years. Thanks.🙏

Air Canada

7.1

Good

11,706 reviews

Air Canada

7.1

Good

11,706 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Micheline,Aug 2026

YUL - LAX

Related info for your journey

How long is the flight from Montreal to Colorado?
There are many flights that can get you from Montreal to Colorado in 6h 45m. Fly via Delta or United Airlines to get the fastest option. The distance from Montreal to Colorado is about 2638 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from Montreal to Colorado?
The most popular route from Montreal to Colorado is Montreal Pierre Elliott Trudeau Intl - Denver Intl. You may also consider Montreal Pierre Elliott Trudeau Intl - Colorado Springs or Montreal Pierre Elliott Trudeau Intl - Grand Junction Regnl.
What are the most reliable airlines from Montreal to Colorado?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Montreal to Colorado on time: Sun Country Air (100%), Air Canada (72%), United Airlines (72%).
What are the cheapest flights from Montreal to Colorado?
The cheapest flight price from Montreal to Colorado is C$ 423. On average you can expect to pay C$ 677. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl), can usually be booked for C$ 617.
Can I find deals for flights from Montreal to Colorado that include hotel bookings?
Yes. In addition to deals on Montreal to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montreal to Colorado?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Colorado.
Can I find deals for business class flights from Montreal to Colorado?
Yes. Cheapflights offers flight deals from Montreal to Colorado 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 Montreal to Colorado?
Currently, January is the cheapest month in which you can book a flight from Montreal to Colorado (average of C$ 665). Flying from Montreal to Colorado in December is currently the most expensive (average of C$ 890). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montreal to Colorado

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Top 3 airlines flying from Montreal to Colorado

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestC$ 328	AverageC$ 774	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
WestJet	CheapestC$ 488	AverageC$ 551	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	CheapestC$ 555	AverageC$ 754	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Montreal to Colorado?

Cheapflights makes it easy to find Montreal to Colorado flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Colorado?

Cheapflights helps you find that perfect flight to Colorado from Montreal by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Montreal to Colorado with no change fees?

Yes! Cheapflights helps users easily find flights from Montreal to Colorado with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to Colorado become cheaper?

Yes, Cheapflights offers price alerts on Montreal to Colorado flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Montreal to Colorado from C$ 328

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Montreal to Colorado

Cheapest flights from Montreal to ColoradoExplore the most affordable flight options available from Montreal to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Explore the most affordable flight options available from Montreal to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Montreal to ColoradoDiscover carefully curated flight deals from Montreal to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Montreal to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Direct flights from Montreal to ColoradoExplore direct flight options from Montreal to Colorado based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 September 2026.

Explore direct flight options from Montreal to Colorado based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 September 2026.

Last-minute flights from Montreal to ColoradoDiscover last-minute flight deals from Montreal to Colorado. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Montreal to Colorado. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Montreal to ColoradoSearch for one-way flight options from Montreal to Colorado. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Montreal to Colorado. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Find flight deals from Montreal to Colorado

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montreal to Colorado that are best for you.

Best time to book a flight from Montreal to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Montreal with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Montreal to Colorado?

What is the cheapest time of day to fly from YMQ to CO?

Find hourly flight availability from Montreal to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 September 2026.

When flying from Montreal to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Montreal to Colorado

Explore weekly flight availability from Montreal to Colorado. 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 30 September 2026.

The most flights from YMQ to USCO are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Montreal to Colorado?

Airfare is below average for this route at the moment.

Montreal to Colorado flights typically cost between C$ 633 and C$ 1,190 in December.The cheapest round-trip price found within the last 5 days was C$ 617 on Delta (5 Dec-8 Dec).

How far ahead should I book a flight from Montreal to Colorado?

To ensure you get the cheapest price possible for a flight from Montreal to Colorado, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Colorado

Get a feel of what it's like to fly with Air Canada from Montreal to Colorado by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Montreal to Colorado?

What are the most popular routes from Montreal to Colorado?

What are the most reliable airlines from Montreal to Colorado?

What are the cheapest flights from Montreal to Colorado?

Can I find deals for flights from Montreal to Colorado that include hotel bookings?

How can I find direct flights from Montreal to Colorado?

Can I find deals for business class flights from Montreal to Colorado?

What is the cheapest month to book a flight from Montreal to Colorado?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to Colorado

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Montreal to Colorado by cabin class

Find flights from Montreal to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Montreal and Colorado flights

Browse other Montreal and Colorado flight options. Last updated on 30 September 2026.

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Montreal to Colorado flights

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Top 3 airlines flying from Montreal to Colorado

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Can Cheapflights notify me if prices for flights from Montreal to Colorado become cheaper?

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Cheapest flights from Montreal to Colorado
Explore the most affordable flight options available from Montreal to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.

Best flights from Montreal to Colorado
Discover carefully curated flight deals from Montreal to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Direct flights from Montreal to Colorado
Explore direct flight options from Montreal to Colorado based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 September 2026.

Last-minute flights from Montreal to Colorado
Discover last-minute flight deals from Montreal to Colorado. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Montreal to Colorado
Search for one-way flight options from Montreal to Colorado. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Montreal to Colorado flights typically cost between C$ 633 and C$ 1,190 in December.
The cheapest round-trip price found within the last 5 days was C$ 617 on Delta (5 Dec-8 Dec).