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$133+ Cheap flights from Colorado to Montreal (YMQ)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YMQ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Colorado to Montreal

Cheapest flights from Colorado to Montreal
Explore the most affordable flight options available from Colorado to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:22 amDEN - YUL
2 stops26h 23mMultiple Airlines
Fri 12/55:10 pmYUL - DEN
1 stop27h 59mMultiple Airlines
Deal found 10/28$367
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
Thu 1/86:45 amYUL - DEN
2 stops17h 05mMultiple Airlines
Deal found 10/29$388
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
Thu 1/86:45 amYUL - DEN
2 stops18h 10mMultiple Airlines
Deal found 10/29$391
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:25 pmDEN - YUL
2 stops34h 05mMultiple Airlines
Sat 12/64:35 pmYUL - DEN
1 stop17h 49mMultiple Airlines
Deal found 10/29$394
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
Thu 1/86:45 amYUL - DEN
2 stops18h 10mMultiple Airlines
Deal found 10/29$399
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:30 amDEN - YUL
2 stops40h 00mMultiple Airlines
Fri 12/55:10 pmYUL - DEN
1 stop27h 59mMultiple Airlines
Deal found 10/28$400
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:09 amDEN - YUL
1 stop29h 16mMultiple Airlines
Sun 11/238:55 amYUL - DEN
2 stops26h 05mMultiple Airlines
Deal found 10/28$401
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1512:59 amDEN - YUL
2 stops21h 31mMultiple Airlines
Tue 11/185:10 pmYUL - DEN
1 stop9h 58mMultiple Airlines
Deal found 10/28$402
This Flightnetwork deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:15 amDEN - YUL
Nonstop3h 43mAir Canada
Fri 11/287:30 amYUL - DEN
1 stop12h 14mAir Canada
Deal found 10/29$405
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:59 pmCOS - YUL
2 stops17h 21mAmerican Airlines
Fri 12/197:08 amYUL - COS
2 stops18h 39mAmerican Airlines
Deal found 10/28$655
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1212:50 pmCOS - YUL
1 stop19h 20mMultiple Airlines
Fri 12/195:25 pmYUL - COS
1 stop8h 34mMultiple Airlines
Deal found 10/28$864

Cheap flight deals from Colorado to Montreal

Keep the following information in mind while searching for Colorado to Montreal flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$339
(American Airlines)

One-way from

$133
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$565

Good round-trip deal

$580 or less

Good one-way deal

$206 or less
Provider with most accurate pricing for Denver Intl-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Montreal (YMQ) flights.
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From Colorado to Montreal (YMQ)
Search Deals
One-way flight from Colorado to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Montreal (YMQ).
Search Deals
Price to beat on a one-way flight from Colorado to Montreal (YMQ).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Montreal 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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Colorado to Montreal that are best for you.

Fly from

Colorado

Fly to

Montreal

Route

Depart

Return

Price

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 2/3

3:14 pm-3:08 pm

1 stop21h 54m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

3:52 pm-10:49 am

1 stop20h 57m

$339

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 1/28

8:25 pm-10:20 am

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

4:45 pm-8:49 am

1 stop18h 04m

$456

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 1/12

8:25 pm-1:28 pm

2 stops15h 03m

Montreal Pierre Elliott Trudeau Intl

Mon 1/26

4:45 pm-8:49 am

1 stop18h 04m

$466

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 4/7

7:00 pm-10:11 am

1 stop13h 11m

Montreal Pierre Elliott Trudeau Intl

Wed 4/8

1:20 pm-11:18 pm

1 stop11h 58m

$524

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 3/11

5:54 pm-10:20 am

1 stop14h 26m

Montreal Pierre Elliott Trudeau Intl

Tue 3/17

9:25 am-5:53 pm

1 stop10h 28m

$524

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 11/30

4:18 pm-11:42 pm

1 stop5h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 12/6

9:35 am-5:53 pm

1 stop10h 18m

$548

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 1/28

5:42 pm-10:20 am

1 stop14h 38m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

5:25 pm-7:55 pm

Nonstop4h 30m

$558

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 1/12

8:25 pm-10:20 am

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 1/26

5:25 pm-7:55 pm

Nonstop4h 30m

$558

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Sun 4/5

1:00 pm-10:11 am

1 stop19h 11m

Montreal Pierre Elliott Trudeau Intl

Tue 4/7

9:25 am-11:18 am

1 stop27h 53m

$630

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Fri 12/12

4:59 pm-12:20 pm

2 stops17h 21m

Montreal Pierre Elliott Trudeau Intl

Fri 12/19

7:08 am-11:47 pm

2 stops18h 39m

$655

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 21 results
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Best time to book a flight from Colorado to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Colorado 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 Colorado to Montreal

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

Currently, August is the cheapest month in which you can book a flight from Colorado to Montreal (average of $109). Flying from Colorado to Montreal in December is currently the most expensive (average of $351). 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 CO to YMQ?

Find hourly flight availability from Colorado to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Colorado to Montreal at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Montreal. 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 Colorado to Montreal?

    A quick flight from Colorado to Montreal can take about 11h 55m. American Airlines provides one of the quickest options available for as low as $456. There are 1606 mi between Colorado and Montreal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most reliable airlines from Colorado to Montreal?

    Consider Brussels Airlines (77%), Air Canada (66%) or United Airlines (66%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Montreal.

  • What are the cheapest flights from Colorado to Montreal?

    Looking at all options, your cheapest flight can be booked for $206. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $384 on average, our data indicates $1,201 when flying from Colorado to Montreal.

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

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

  • How can I find direct flights from Colorado to Montreal?

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

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

    Yes. Cheapflights offers flight deals from Colorado to Montreal 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 Colorado to Montreal?

    Currently, August is the cheapest month in which you can book a flight from Colorado to Montreal (average of $109). Flying from Colorado to Montreal in December is currently the most expensive (average of $351). 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.

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Alternative routes for Colorado to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Colorado to Montreal

Discover the top 5 airlines that operate flights from Colorado to Montreal. 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 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$109Average$425FlexibilityNo cancel feeOn-time60%
DeltaCheapest$211Average$535FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$227Average$545FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$279Average$662FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$485Average$595FlexibilityNo cancel feeOn-time71%

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