Pierre Elliott Trudeau Intl

$150+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
Mar 4 — Mar 111
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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 February 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/211:59 pm
DEN
-
YUL
1 stop22h 31m
Multiple Airlines
Mon 3/98:00 am
YUL
-
DEN
2 stops41h 04m
Multiple Airlines
Deal found 1/31$359
This FlightHub deal was found by Cheapflights users on 1/31. 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 5/112:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Sun 5/108:00 pm
YUL
-
DEN
1 stop17h 20m
WestJet
Deal found 1/31$392
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:25 am
DEN
-
YUL
1 stop13h 05m
Multiple Airlines
Tue 4/712:05 pm
YUL
-
DEN
2 stops14h 12m
Multiple Airlines
Deal found 2/1$408
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:59 am
DEN
-
YUL
2 stops21h 31m
Multiple Airlines
Tue 3/104:35 pm
YUL
-
DEN
1 stop17h 45m
Multiple Airlines
Deal found 2/1$418
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 2/2810:34 pm
DEN
-
YUL
2 stops48h 04m
Multiple Airlines
Sat 3/74:35 pm
YUL
-
DEN
1 stop16h 45m
Multiple Airlines
Deal found 1/31$422
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/111:59 pm
DEN
-
YUL
1 stop22h 31m
Multiple Airlines
Fri 3/66:45 am
YUL
-
DEN
2 stops28h 59m
Multiple Airlines
Deal found 1/31$425
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 4/39:25 am
DEN
-
YUL
1 stop13h 05m
Multiple Airlines
Mon 4/66:45 am
YUL
-
DEN
2 stops19h 57m
Multiple Airlines
Deal found 1/31$429
This FlightHub deal was found by Cheapflights users on 1/31. 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 5/112:15 pm
DEN
-
YUL
1 stop9h 30m
WestJet
Mon 5/47:25 pm
YUL
-
DEN
2 stops41h 55m
WestJet
Deal found 1/31$430
This Delta deal was found by Cheapflights users on 2/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:22 pm
COS
-
YUL
1 stop8h 23m
Delta
Wed 3/47:00 am
YUL
-
COS
1 stop7h 25m
Delta
Deal found 2/1$565
This Gotogate deal was found by Cheapflights users on 2/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:40 pm
COS
-
YUL
2 stops10h 13m
Air Canada
Wed 3/45:25 pm
YUL
-
COS
1 stop8h 20m
Air Canada
Deal found 2/1$568
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:55 pm
COS
-
YUL
2 stops18h 21m
United Airlines
Wed 3/46:00 am
YUL
-
COS
1 stop6h 55m
United Airlines
Deal found 2/1$575
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:49 pm
COS
-
YUL
2 stops20h 15m
American Airlines
Wed 3/47:12 am
YUL
-
COS
2 stops15h 26m
American Airlines
Deal found 2/1$580

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 February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$359
(Kiwi.com)

One-way from

$150
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$605

Good round-trip deal

$597 or less

Good one-way deal

$342 or less
Provider with most accurate pricing for Denver Intl-Montreal (YMQ) flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Montreal (YMQ) flights.
From Colorado to Montreal Pierre Elliott Trudeau Intl
One-way flight from Colorado to Montreal Pierre Elliott Trudeau Intl
Highest demand for flights based on searches. 3% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Colorado to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from Colorado to Montreal Pierre Elliott Trudeau Intl.

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 February 2, 2026.
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

Fri 5/1

12:15 pm-11:45 pm

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

8:00 pm-11:20 am

1 stop17h 20m

$392

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 4/21

11:59 pm-12:30 am

1 stop22h 31m

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

11:25 am-12:58 pm

2 stops27h 33m

$408

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 4/24

8:45 am-9:03 pm

1 stop10h 18m

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

10:10 am-4:35 pm

1 stop8h 25m

$496

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 4/2

9:25 am-12:30 am

1 stop13h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

8:00 am-11:04 pm

2 stops17h 04m

$501

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 3/3

8:00 am-10:56 pm

2 stops12h 56m

Montreal Pierre Elliott Trudeau Intl

Fri 3/6

3:45 pm-8:47 am

1 stop19h 02m

$506

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 6/10

12:15 pm-11:45 pm

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 6/15

7:25 pm-11:20 am

2 stops17h 55m

$546

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 4/9

5:44 pm-11:44 am

1 stop16h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 4/13

12:30 pm-11:59 pm

1 stop13h 29m

$547

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 2/28

8:15 am-7:32 am

1 stop21h 17m

Montreal Pierre Elliott Trudeau Intl

Sat 3/7

8:20 am-7:35 pm

1 stop13h 15m

$560

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 6/12

12:15 pm-11:45 pm

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 6/21

7:25 pm-11:25 am

2 stops18h 00m

$560

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 3/11

3:54 pm-7:32 am

1 stop13h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 3/17

8:20 am-5:50 pm

1 stop11h 30m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 24 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 February 2, 2026.

When flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport, 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 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 February 2, 2026.

The most flights from USCO to YUL are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 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 9h 30m. WestJet provides one of the quickest options available for as low as $392. 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 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), United Airlines ($213), and Delta ($250).

  • 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 (75%), Brussels Airlines (75%), United Airlines (75%).

  • 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 $275. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $359 on average, our data indicates $1,242 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

See prices for flight routes from nearby airports that may be better suited for you.

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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$109Average$303FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$177Average$515FlexibilityNo cancel feeOn-time67%
DeltaCheapest$206Average$485FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$259Average$482FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$485Average$595FlexibilityNo cancel feeOn-time71%

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