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Pierre Elliott Trudeau Intl

$164+ Cheap flights from Colorado to Pierre Elliott Trudeau Intl (YUL)

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap flight deals from Colorado to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Colorado to Pierre Elliott Trudeau Intl flight deals. Data was last updated November 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$291
(Kiwi.com)

One-way from

$164
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$645

Good round-trip deal

$564 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 Pierre Elliott Trudeau Intl
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One-way flight from Colorado to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 9% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Colorado to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Colorado to Montreal Pierre Elliott Trudeau Intl.
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Find flight deals from Colorado to Pierre Elliott Trudeau Intl

Cheapest flights from Colorado to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Colorado to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/1311:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
Mon 1/126:45 amYUL - DEN
2 stops18h 10mMultiple Airlines
Deal found 11/4$291
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/126:31 pmDEN - YUL
1 stop27h 59mMultiple Airlines
Mon 1/126:45 amYUL - DEN
2 stops18h 10mMultiple Airlines
Deal found 11/4$313
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Mon 11/244:26 pmDEN - YUL
1 stop21h 59mMultiple Airlines
Wed 12/38:55 amYUL - DEN
2 stops18h 28mMultiple Airlines
Deal found 11/2$389
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/211:59 pmDEN - YUL
2 stops20h 21mMultiple Airlines
Fri 12/125:10 pmYUL - DEN
1 stop27h 59mMultiple Airlines
Deal found 11/3$395
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/1311:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
Tue 12/166:00 amYUL - DEN
2 stops12h 15mMultiple Airlines
Deal found 11/2$409
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/1311:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
Wed 12/172:30 pmYUL - DEN
2 stops12h 53mMultiple Airlines
Deal found 11/2$419
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/137:05 amDEN - YUL
2 stops15h 25mMultiple Airlines
Sun 12/144:35 pmYUL - DEN
1 stop17h 49mMultiple Airlines
Deal found 11/2$423
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/2811:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
Mon 12/88:00 amYUL - DEN
2 stops28h 18mMultiple Airlines
Deal found 11/2$424
This Kiwi.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/244:26 pmDEN - YUL
1 stop21h 59mMultiple Airlines
Thu 11/276:45 amYUL - DEN
2 stops18h 58mMultiple Airlines
Deal found 11/3$459
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/194:46 pmCOS - YUL
2 stops20h 38mAmerican Airlines
Fri 12/267:30 amYUL - COS
2 stops18h 17mAmerican Airlines
Deal found 11/4$694
This United Airlines deal was found by Cheapflights users on 11/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amCOS - YUL
2 stops10h 48mUnited Airlines
Thu 12/254:45 pmYUL - COS
1 stop7h 05mUnited Airlines
Deal found 11/3$709
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/1812:25 pmCOS - YUL
1 stop24h 46mAmerican Airlines
Thu 12/254:09 pmYUL - COS
1 stop7h 47mAmerican Airlines
Deal found 11/3$842

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Pierre Elliott Trudeau Intl 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 November 4, 2025.
Use the filters below to find and compare flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Colorado

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 11/24

4:26 pm-4:25 pm

1 stop21h 59m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

5:10 pm-1:23 am

1 stop10h 13m

$390

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 12/1

12:59 am-4:25 pm

2 stops13h 26m

Montreal Pierre Elliott Trudeau Intl

Fri 12/12

5:10 pm-7:09 pm

1 stop27h 59m

$454

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 11/24

5:40 pm-8:36 am

1 stop12h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

9:35 am-8:37 pm

1 stop13h 02m

$484

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 11/24

11:15 am-4:58 pm

Nonstop3h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

7:30 am-5:44 pm

1 stop12h 14m

$501

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 12/11

7:00 am-7:05 am

2 stops22h 05m

Montreal Pierre Elliott Trudeau Intl

Mon 1/12

6:00 am-1:33 pm

1 stop9h 33m

$533

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 12/3

6:46 am-6:54 pm

1 stop10h 08m

Montreal Pierre Elliott Trudeau Intl

Mon 12/8

6:00 am-10:18 am

1 stop6h 18m

$543

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 12/15

6:46 am-6:54 pm

1 stop10h 08m

Montreal Pierre Elliott Trudeau Intl

Tue 12/16

7:45 pm-10:01 am

1 stop16h 16m

$545

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 12/28

11:59 pm-12:30 am

1 stop22h 31m

Montreal Pierre Elliott Trudeau Intl

Mon 1/5

5:10 pm-7:09 pm

1 stop27h 59m

$546

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 11/30

11:07 am-12:35 am

2 stops35h 28m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

4:35 pm-11:04 pm

1 stop32h 29m

$559

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 11/24

6:48 am-6:40 pm

1 stop9h 52m

Montreal Pierre Elliott Trudeau Intl

Fri 11/28

6:00 am-10:22 am

1 stop6h 22m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 23 results
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Best time to book a flight from Colorado to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport (average of $109). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of $358). 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 YUL?

Find hourly flight availability from Colorado to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport by exploring options for tickets at noon.

Weekly flight availability from Colorado to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Colorado to Pierre Elliott Trudeau Intl. 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 November 4, 2025.

The most flights from USCO to YUL 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).

Related info for your journey

Find useful and relevant information for your journey from Colorado to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl Airport?

    A quick flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport can take about 3h 43m. Delta provides one of the quickest options available for as low as $501. The distance between Colorado and Montreal Pierre Elliott Trudeau Intl Airport is about 1606 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

    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 Colorado to Montreal Pierre Elliott Trudeau Intl Airport on time: Brussels Airlines (85%), United Airlines (84%), Air Canada (78%).

  • What are the cheapest flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

    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 $372 on average, our data indicates $1,108 when flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport.

  • Can I find deals for flights from Colorado to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Colorado to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Pierre Elliott Trudeau Intl?

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

  • Can I find deals for business class flights from Colorado to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Colorado to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport (average of $109). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of $358). 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

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Dorval

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Alternative routes for Colorado to Pierre Elliott Trudeau Intl

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 Pierre Elliott Trudeau Intl

Discover the top 5 airlines that operate flights from Colorado to Pierre Elliott Trudeau Intl. 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$109Average$425FlexibilityNo cancel feeOn-time60%
DeltaCheapest$211Average$535FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$227Average$548FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$279Average$656FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$485Average$595FlexibilityNo cancel feeOn-time71%

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