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$149+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YMQ
May 31 — Jun 71
Sun 5/31
Sun 6/7
1 adult, Economy
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Cheap 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 May 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/2612:15 pm
DEN
-
YUL
1 stop9h 30m
Multiple Airlines
Fri 5/296:30 am
YUL
-
DEN
2 stops19h 14m
Multiple Airlines
Deal found 4/29$337
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/1512:15 pm
DEN
-
YUL
1 stop16h 50m
WestJet
Sat 5/168:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 4/30$351
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Thu 10/18:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 5/1$352
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Mon 7/68:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 4/28$358
This Trip.com deal was found by Cheapflights users on 4/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Sun 7/267:15 am
YUL
-
DEN
1 stop30h 05m
WestJet
Deal found 4/26$359
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Tue 7/218:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 5/1$360
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/1512:15 pm
DEN
-
YUL
2 stops28h 05m
WestJet
Sun 5/177:50 pm
YUL
-
DEN
2 stops17h 30m
WestJet
Deal found 4/29$364
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Mon 7/208:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 4/30$365
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 6/3012:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Sun 7/58:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 4/26$366
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 6/2512:15 pm
DEN
-
YUL
1 stop26h 15m
WestJet
Tue 7/78:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 4/29$373
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 8/1212:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Sat 8/158:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 4/27$375
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 8/912:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Sat 8/158:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 4/27$376

Find flight deals from Colorado to Montreal

Keep the following information in mind while searching for Colorado to Montreal flight deals. Data was last updated May 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$337
(Kiwi.com)

One-way from

$149
(Trip.com)

Popular in

September

Cheapest in

November

Average price

$495

Good round-trip deal

$837 or less

Good one-way deal

$384 or less
Provider with most accurate pricing for Denver Intl-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Montreal (YMQ) flights.
Search Deals
From Colorado to Montreal (YMQ)
Search Deals
One-way flight from Colorado to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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).
Search Deals

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 May 1, 2026.
Use the filters below to find and compare flights from Colorado to Montreal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Wed 6/3

6:00 am-11:13 pm

2 stops15h 13m

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

12:40 pm-10:22 pm

2 stops11h 42m

$506

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Mon 8/24

6:32 pm-5:30 pm

2 stops20h 58m

Montreal Pierre Elliott Trudeau Intl

Wed 8/26

6:10 am-10:59 am

1 stop6h 49m

$542

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Tue 9/22

5:30 am-4:10 pm

2 stops8h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 9/23

3:25 pm-11:49 pm

2 stops10h 24m

$547

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 6/20

3:15 pm-11:55 pm

1 stop6h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 6/24

7:00 am-6:14 pm

2 stops13h 14m

$603

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 6/18

3:15 pm-11:55 pm

1 stop6h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 6/24

7:00 am-6:14 pm

2 stops13h 14m

$603

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 6/18

6:05 am-4:17 pm

1 stop8h 12m

Montreal Pierre Elliott Trudeau Intl

Tue 6/23

7:00 am-6:14 pm

2 stops13h 14m

$603

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 6/4

4:10 pm-11:41 pm

1 stop5h 31m

Montreal Pierre Elliott Trudeau Intl

Tue 6/9

7:00 am-6:14 pm

2 stops13h 14m

$603

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 5/29

3:50 pm-12:13 am

1 stop6h 23m

Montreal Pierre Elliott Trudeau Intl

Sat 5/30

6:35 pm-12:30 am

1 stop7h 55m

$616

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 5/23

9:05 pm-10:40 am

1 stop11h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 5/30

6:10 am-10:31 am

1 stop6h 21m

$616

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 5/23

1:20 pm-11:41 pm

1 stop8h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 6/3

6:00 am-9:43 am

1 stop5h 43m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 26 resultsSorted by cheapest first
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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

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

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Montreal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $353). 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 May 1, 2026.

When flying from Colorado to Montreal, 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 Colorado to Montreal

Explore weekly flight availability from Colorado to Montreal. 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 May 1, 2026.

The most flights from USCO to YMQ 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 Colorado to Montreal?

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 8h 02m. Delta provides one of the quickest options available for as low as $501. There are 1639 mi between Colorado and Montreal.

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

    Consider Air Canada (67%), Brussels Airlines (67%) or United Airlines (67%) 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 $328. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $410 on average, our data indicates $1,430 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 $353). 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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Top 3 airlines flying from Colorado to Montreal

Discover the top 3 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 May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$167Average$485FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$203Average$560FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$260Average$598FlexibilityNo cancel feeOn-time69%

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