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Cheap flights from Montreal to Colorado from C$ 215

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DEN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Montreal to Colorado

Keep the following information in mind while searching for Montreal to Colorado flight deals. Data was last updated 17 September 2025.

Round-trip from

C$ 392

One-way from

C$ 215

Popular in

December

Cheapest in

October

Average price

C$ 550

Good round-trip deal

C$ 749 or less

Good one-way deal

C$ 424 or less
12/10-22/10
  • 12/10-22/10
  • 3 total stops
  • 34h 35m total
  • Montreal to Colorado
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7/10
  • 7/10
  • 3 total stops
  • 22h 59m total
  • Montreal to Colorado
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 148 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Montreal (YMQ) to Colorado.
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Price to beat on a one-way flight from Montreal (YMQ) to Colorado.
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Find flight deals from Montreal to Colorado

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 17 September 2025.

Sun 12/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Wed 22/108:00 a.m.DEN - YUL
2 stops14h 41mMultiple Airlines
Deal found 16/9C$ 392
Sun 12/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Fri 24/107:00 a.m.DEN - YUL
2 stops15h 27mMultiple Airlines
Deal found 16/9C$ 393
Sun 12/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Sat 25/108:00 a.m.DEN - YUL
2 stops14h 41mMultiple Airlines
Deal found 16/9C$ 398
Sun 12/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Tue 21/107:00 a.m.DEN - YUL
2 stops15h 41mMultiple Airlines
Deal found 16/9C$ 404
Sun 12/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Thu 23/106:00 a.m.DEN - YUL
2 stops16h 41mMultiple Airlines
Deal found 16/9C$ 411
Sat 4/107:30 a.m.YUL - DEN
1 stop11h 48mAir Canada
Tue 21/1011:15 a.m.DEN - YUL
Nonstop3h 45mAir Canada
Deal found 16/9C$ 428
Sat 4/107:30 a.m.YUL - DEN
1 stop11h 48mAir Canada
Wed 22/108:40 a.m.DEN - YUL
1 stop10h 10mAir Canada
Deal found 16/9C$ 435
Tue 7/1011:15 a.m.YUL - DEN
1 stop7h 14mAir Canada
Thu 23/1011:15 a.m.DEN - YUL
Nonstop3h 45mAir Canada
Deal found 16/9C$ 436
Wed 8/1011:15 a.m.YUL - DEN
1 stop7h 14mAir Canada
Wed 22/1011:15 a.m.DEN - YUL
Nonstop3h 45mAir Canada
Deal found 16/9C$ 437
Sat 4/107:30 a.m.YUL - DEN
1 stop11h 48mAir Canada
Sun 26/1011:15 a.m.DEN - YUL
Nonstop3h 43mAir Canada
Deal found 16/9C$ 443
Tue 7/1010:15 a.m.YUL - DEN
1 stop8h 14mAir Canada
Tue 21/106:05 p.m.DEN - YUL
1 stop10h 56mAir Canada
Deal found 16/9C$ 444
Tue 14/106:35 p.m.YUL - DEN
1 stop22h 49mMultiple Airlines
Sat 25/108:00 a.m.DEN - YUL
2 stops14h 41mMultiple Airlines
Deal found 16/9C$ 448

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Colorado 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 629,999 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Montreal to Colorado that are best for you.

Fly from

Montreal

Fly to

Colorado

Route

Depart

Return

Price

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

6:15 a.m.-11:15 a.m.

1 stop7h 00m

Colorado Springs

Thu 23/10

6:00 a.m.-1:54 p.m.

1 stop5h 54m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

6:40 p.m.-11:59 p.m.

1 stop7h 19m

Denver Intl

Mon 20/10

12:50 a.m.-11:31 a.m.

1 stop8h 41m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

9:45 a.m.-2:42 p.m.

1 stop6h 57m

Denver Intl

Wed 22/10

7:10 p.m.-8:16 a.m.

1 stop11h 06m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

6:40 p.m.-11:59 p.m.

1 stop7h 19m

Denver Intl

Sat 25/10

11:05 a.m.-11:21 p.m.

1 stop10h 16m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

9:45 a.m.-4:03 p.m.

1 stop8h 18m

Denver Intl

Tue 21/10

7:10 p.m.-8:16 a.m.

1 stop11h 06m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

3:41 p.m.-11:15 p.m.

1 stop9h 34m

Denver Intl

Fri 17/10

9:10 p.m.-8:16 a.m.

1 stop9h 06m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

4:55 p.m.-10:00 p.m.

1 stop7h 05m

Denver Intl

Thu 23/10

9:10 p.m.-8:16 a.m.

1 stop9h 06m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 2/10

3:41 p.m.-11:15 p.m.

1 stop9h 34m

Denver Intl

Sun 5/10

6:00 a.m.-5:26 p.m.

1 stop9h 26m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

9:15 a.m.-4:35 p.m.

1 stop9h 20m

Denver Intl

Wed 22/10

6:00 a.m.-5:26 p.m.

1 stop9h 26m

C$ 457

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

11:23 a.m.-4:33 p.m.

1 stop7h 10m

Denver Intl

Tue 21/10

8:01 a.m.-7:45 p.m.

1 stop9h 44m

C$ 457

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 28 results
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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.
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

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

Currently, August is the cheapest month in which you can book a flight from Montreal to Colorado (average of C$ 320). Flying from Montreal to Colorado in December is currently the most expensive (average of C$ 484). 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?

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 17 September 2025.

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 17 September 2025.

The most flights from YMQ to USCO are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated 17 September 2025.
Get a feel of what it's like to fly with United Airlines,WestJet, andAir 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.
United Airlines
7.4
Good
8,926 reviews
Check prices

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
WestJet
7.2
Good
3,095 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Overall

7.4

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Montreal to Colorado?

    There are many flights that can get you from Montreal to Colorado in 7h 19m. Fly via United Airlines or Delta to get the fastest option. The distance from Montreal to Colorado is about 2585 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Montreal to Colorado one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 223. Users have also found prices from C$ 263 and C$ 327 on Air Canada and Delta, respectively.

  • 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: Air Canada (66%), United Airlines (66%), Brussels Airlines (48%).

  • What are the cheapest flights from Montreal to Colorado?

    The cheapest flight price from Montreal to Colorado is C$ 335. On average you can expect to pay C$ 911. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl), can usually be booked for C$ 440.

  • 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, August is the cheapest month in which you can book a flight from Montreal to Colorado (average of C$ 320). Flying from Montreal to Colorado in December is currently the most expensive (average of C$ 484). 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 Montreal to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Montreal to Colorado

Discover the top 4 airlines that operate flights from Montreal to Colorado. 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 629,999 searches. Data last updated 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 412AverageC$ 610FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 416AverageC$ 726FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 420AverageC$ 718FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 501AverageC$ 556FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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