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Cheap flights from Montreal to Colorado from C$ 247

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DEN
17 Sep — 24 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Colorado

Enter your travel dates to find the best prices.

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 18 August 2026.

Thu 10/97:15 a.m. -
1 stop30h 05m
Thu 17/912:15 p.m. -
1 stop9h 30m
Deal found 13/8C$ 398
Thu 3/98:00 p.m. -
1 stop17h 20m
Thu 10/912:15 p.m. -
1 stop9h 30m
Deal found 13/8C$ 403
Sun 13/97:15 a.m. -
1 stop30h 05m
Thu 17/912:15 p.m. -
1 stop9h 30m
Deal found 16/8C$ 412
Tue 1/95:45 p.m. -
2 stops19h 35m
Thu 10/912:15 p.m. -
1 stop9h 30m
Deal found 15/8C$ 417
Sun 20/97:15 a.m. -
1 stop30h 05m
Fri 25/912:15 p.m. -
1 stop16h 50m
Deal found 13/8C$ 440
Mon 24/87:15 a.m. -
1 stop30h 05m
Wed 26/812:15 p.m. -
1 stop9h 30m
Deal found 17/8C$ 442
Sat 19/98:00 p.m. -
1 stop17h 20m
Thu 1/1012:15 p.m. -
1 stop9h 30m
Deal found 17/8C$ 476
Wed 9/911:23 a.m. -
2 stops11h 12m
Sat 12/96:07 p.m. -
2 stops17h 02m
Deal found 16/8C$ 657
Mon 14/127:10 a.m. -
2 stops17h 27m
Wed 16/121:40 p.m. -
1 stop8h 18m
Deal found 13/8C$ 660
Sun 6/99:45 a.m. -
2 stops12h 59m
Sat 12/911:55 a.m. -
1 stop7h 31m
Deal found 14/8C$ 678
Mon 14/126:10 a.m. -
2 stops15h 58m
Wed 16/127:30 a.m. -
2 stops11h 31m
Deal found 13/8C$ 707
Tue 13/106:00 a.m. -
2 stops16h 16m
Fri 16/106:00 a.m. -
2 stops15h 22m
Deal found 16/8C$ 714

Find flight deals from Montreal to Colorado

Keep the following information in mind while searching for Montreal to Colorado flight deals. Data was last updated 18 August 2026.

Round-trip from

C$ 398

One-way from

C$ 247

Popular in

December

Cheapest in

November

Average price

C$ 833

Good round-trip deal

C$ 780 or less

Good one-way deal

C$ 487 or less
WestJet
  • WestJet
  • 10/9-17/9
  • 2 total stops
  • 39h 35m total
  • Montreal to Colorado
Search Deals
WestJet
  • WestJet
  • 26/8
  • 1 total stop
  • 19h 50m total
  • Montreal to Colorado
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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

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 18 August 2026.
Use the filters below to find and compare flights from Montreal to Colorado that are best for you.

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

Fri 9/10

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

2 stops42h 00m

Denver Intl

Mon 12/10

12:15 p.m.-11:45 p.m.

1 stop9h 30m

C$ 623

MontrealGrand Junction

YUL Montreal Pierre Elliott Trudeau Intl - GJT Grand Junction Regnl

YULGJT

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

11:23 a.m.-8:35 p.m.

2 stops11h 12m

Grand Junction Regnl

Sat 12/9

6:07 p.m.-1:09 p.m.

2 stops17h 02m

C$ 657

MontrealColorado Springs

YUL Montreal Pierre Elliott Trudeau Intl - COS Colorado Springs

YULCOS

Montreal Pierre Elliott Trudeau Intl

Mon 14/12

7:10 a.m.-10:37 p.m.

2 stops17h 27m

Colorado Springs

Wed 16/12

1:40 p.m.-11:58 p.m.

1 stop8h 18m

C$ 660

MontrealColorado Springs

YUL Montreal Pierre Elliott Trudeau Intl - COS Colorado Springs

YULCOS

Montreal Pierre Elliott Trudeau Intl

Mon 14/12

6:10 a.m.-8:08 p.m.

2 stops15h 58m

Colorado Springs

Wed 16/12

7:30 a.m.-9:01 p.m.

2 stops11h 31m

C$ 707

MontrealColorado Springs

YUL Montreal Pierre Elliott Trudeau Intl - COS Colorado Springs

YULCOS

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

7:00 a.m.-12:30 p.m.

1 stop7h 30m

Colorado Springs

Fri 30/10

1:31 p.m.-11:54 p.m.

1 stop8h 23m

C$ 711

MontrealColorado Springs

YUL Montreal Pierre Elliott Trudeau Intl - COS Colorado Springs

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

6:00 a.m.-8:16 p.m.

2 stops16h 16m

Colorado Springs

Fri 16/10

6:00 a.m.-11:22 p.m.

2 stops15h 22m

C$ 714

MontrealGrand Junction

YUL Montreal Pierre Elliott Trudeau Intl - GJT Grand Junction Regnl

YULGJT

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

8:15 a.m.-12:38 p.m.

1 stop6h 23m

Grand Junction Regnl

Sat 12/9

7:00 a.m.-6:13 p.m.

2 stops9h 13m

C$ 740

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

9:30 a.m.-8:35 p.m.

1 stop13h 05m

Denver Intl

Sat 26/9

1:00 p.m.-8:35 a.m.

1 stop17h 35m

C$ 764

MontrealDenver

YUL Montreal Pierre Elliott Trudeau Intl - DEN Denver Intl

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 10/12

7:00 a.m.-11:00 p.m.

2 stops18h 00m

Denver Intl

Sun 13/12

3:58 p.m.-11:26 p.m.

1 stop5h 28m

C$ 765

MontrealColorado Springs

YUL Montreal Pierre Elliott Trudeau Intl - COS Colorado Springs

YULCOS

Montreal Pierre Elliott Trudeau Intl

Mon 14/12

6:10 a.m.-8:08 p.m.

2 stops15h 58m

Colorado Springs

Wed 16/12

10:30 a.m.-10:00 p.m.

2 stops9h 30m

C$ 778

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/8

Showing 1-10 of 34 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Montreal to Colorado (average of C$ 650). Flying from Montreal to Colorado in December is currently the most expensive (average of C$ 844). 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 18 August 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 18 August 2026.

The most flights from YMQ to USCO are scheduled on a Monday (5 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (2 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$ 607 and C$ 1,223 in September.
The cheapest round-trip price found within the last 5 days was C$ 398 on WestJet (10 Sep-17 Sep).

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 42 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 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 18 August 2026.
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
11,493 reviews
Check prices

Crew

7.8

Boarding

7.3

Overall

7.1

Entertainment

6.8

Comfort

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2024

YUL - FLL

Poor communication skills. Language is mostly French. Very little in translation. Hard to hear. No entertainment system
Air Canada
7.1
Good
11,493 reviews
Air Canada
7.1
Good
11,493 reviews
Check prices

Crew

7.8

Boarding

7.3

Overall

7.1

Entertainment

6.8

Comfort

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2024

YUL - FLL

Poor communication skills. Language is mostly French. Very little in translation. Hard to hear. No entertainment system

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 11h 12m. Fly via WestJet, United Airlines, or Delta to get the fastest option. The distance from Montreal to Colorado is about 2919 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: United Airlines (60%), Air Canada (60%), Brussels Airlines (47%).

  • What are the cheapest flights from Montreal to Colorado?

    The cheapest flight price from Montreal to Colorado is C$ 435. On average you can expect to pay C$ 817. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl), can usually be booked for C$ 534.

  • 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$ 650). Flying from Montreal to Colorado in December is currently the most expensive (average of C$ 844). 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 3 airlines flying from Montreal to Colorado

Discover the top 3 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 18 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 373AverageC$ 823FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 476AverageC$ 538FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 530AverageC$ 725FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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