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Pierre Elliott Trudeau Intl

$114+ 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/276:34 pmDEN - YUL
1 stop27h 56mMultiple Airlines
Thu 1/87:30 pmYUL - DEN
2 stops49h 08mMultiple Airlines
Deal found 12/17$659
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/296:05 amDEN - YUL
2 stops40h 25mMultiple Airlines
Sun 1/44:35 pmYUL - DEN
1 stop32h 29mMultiple Airlines
Deal found 12/15$669
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/286:00 amDEN - YUL
1 stop5h 49mMultiple Airlines
Wed 2/48:00 amYUL - DEN
2 stops39h 49mMultiple Airlines
Deal found 12/17$728
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:54 amDEN - YUL
1 stop11h 05mDelta
Sun 1/46:15 pmYUL - DEN
1 stop7h 52mDelta
Deal found 12/15$748
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/226:05 amDEN - YUL
2 stops16h 25mMultiple Airlines
Thu 12/252:40 pmYUL - DEN
1 stop7h 28mMultiple Airlines
Deal found 12/15$768
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/216:00 amDEN - YUL
2 stops40h 30mMultiple Airlines
Thu 12/255:10 pmYUL - DEN
1 stop27h 59mMultiple Airlines
Deal found 12/16$794
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sun 12/285:50 pmDEN - YUL
1 stop11h 42mUnited Airlines
Wed 2/41:10 pmYUL - DEN
1 stop21h 39mUnited Airlines
Deal found 12/17$798
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/289:24 amDEN - YUL
1 stop13h 06mMultiple Airlines
Sun 1/44:35 pmYUL - DEN
1 stop32h 29mMultiple Airlines
Deal found 12/15$800
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/226:05 amDEN - YUL
2 stops16h 25mMultiple Airlines
Sat 12/276:45 pmYUL - DEN
1 stop17h 45mMultiple Airlines
Deal found 12/15$813
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/2410:00 amDEN - YUL
2 stops12h 30mMultiple Airlines
Thu 12/252:40 pmYUL - DEN
1 stop7h 28mMultiple Airlines
Deal found 12/15$816
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 12/205:49 pmDEN - YUL
2 stops28h 41mMultiple Airlines
Thu 12/252:40 pmYUL - DEN
1 stop7h 28mMultiple Airlines
Deal found 12/15$819
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/186:00 amCOS - YUL
1 stop7h 06mAmerican Airlines
Sun 12/283:50 pmYUL - COS
1 stop22h 02mAmerican Airlines
Deal found 12/17$1,038

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$389
(FlightHub)

One-way from

$114
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$610

Good round-trip deal

$540 or less

Good one-way deal

$394 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. 14% potential increase in price ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
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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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 December 18, 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

Wed 1/28

1:34 pm-7:05 am

2 stops15h 31m

Montreal Pierre Elliott Trudeau Intl

Sun 2/1

4:35 pm-8:30 am

1 stop17h 55m

$395

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 5/10

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 5/17

6:45 am-11:25 am

1 stop30h 40m

$423

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 5/4

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

5:30 pm-11:25 am

1 stop19h 55m

$434

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 5/6

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

5:30 pm-11:25 am

1 stop19h 55m

$434

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 5/10

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 5/16

5:30 pm-11:25 am

1 stop19h 55m

$434

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 4/9

11:05 am-4:51 pm

Nonstop3h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

5:35 pm-7:55 pm

Nonstop4h 20m

$465

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 5/6

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

Tue 5/12

6:45 am-11:51 pm

2 stops19h 06m

$490

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 1/28

7:20 am-10:44 pm

2 stops13h 24m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

3:50 pm-10:49 am

1 stop20h 59m

$515

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 2/5

4:30 pm-3:08 pm

1 stop20h 38m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

3:50 pm-10:48 am

1 stop20h 58m

$526

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 4/7

4:00 pm-11:37 am

2 stops17h 37m

Montreal Pierre Elliott Trudeau Intl

Sat 4/11

6:00 am-8:00 pm

2 stops16h 00m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 20 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 $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 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 December 18, 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 in the morning.

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 December 18, 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 7h 58m. WestJet provides one of the quickest options available for as low as $647. The distance between Colorado and Montreal Pierre Elliott Trudeau Intl Airport is about 1639 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Colorado to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    The cheapest airlines for a one-way flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada ($168), American Airlines ($213), and United Airlines ($213).

  • 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: Air Canada (76%), Brussels Airlines (73%), United Airlines (73%).

  • 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 $268. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $335 on average, our data indicates $1,296 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 $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

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

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$109Average$315FlexibilityNo cancel feeOn-time60%
DeltaCheapest$211Average$535FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$223Average$546FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$277Average$596FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$485Average$615FlexibilityNo cancel feeOn-time71%

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