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Pierre Elliott Trudeau Intl

$155+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$268
(Kiwi.com)

One-way from

$155
(oojo)

Popular in

April

Cheapest in

May

Average price

$459

Good round-trip deal

$521 or less

Good one-way deal

$464 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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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

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.
Wed 7/912:15 pmDEN - YUL
1 stop10h 28mWestJet
Wed 7/235:30 pmYUL - DEN
1 stop19h 57mWestJet
Deal found 4/29$268
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.
Fri 8/158:25 amDEN - YUL
2 stops14h 12mMultiple Airlines
Tue 8/195:30 pmYUL - DEN
1 stop19h 57mMultiple Airlines
Deal found 4/29$349
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/116:07 pmDEN - YUL
1 stop16h 23mSun Country Air
Sun 6/158:15 amYUL - DEN
1 stop27h 04mSun Country Air
Deal found 4/29$364
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1412:04 pmCOS - YUL
1 stop7h 25mUnited Airlines
Sun 6/298:05 amYUL - COS
1 stop15h 50mUnited Airlines
Deal found 4/29$427
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/242:22 pmCOS - YUL
1 stop7h 33mDelta
Mon 8/46:20 amYUL - COS
1 stop5h 39mDelta
Deal found 5/1$451
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/145:01 pmCOS - YUL
1 stop19h 49mAmerican Airlines
Sun 6/293:40 pmYUL - COS
1 stop10h 15mAmerican Airlines
Deal found 4/29$468
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:40 pmDEN - YUL
Nonstop3h 46mAir Canada
Thu 9/118:05 amYUL - DEN
Nonstop4h 13mAir Canada
Deal found 4/30$490
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/253:49 pmDEN - YUL
1 stop17h 55mAmerican Airlines
Mon 5/263:44 pmYUL - DEN
1 stop8h 12mAmerican Airlines
Deal found 4/29$533
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:05 amDEN - YUL
1 stop9h 05mDelta
Mon 8/1811:15 amYUL - DEN
1 stop11h 24mDelta
Deal found 4/29$560
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/266:00 amDEN - YUL
1 stop27h 55mUnited Airlines
Tue 5/276:40 pmYUL - DEN
1 stop29h 18mUnited Airlines
Deal found 4/29$574
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/243:35 pmCOS - YUL
2 stops8h 16mAir Canada
Mon 8/46:00 amYUL - COS
2 stops10h 38mAir Canada
Deal found 5/1$665
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:00 amCOS - YUL
3 stops27h 51mMultiple Airlines
Sun 5/119:00 amYUL - COS
2 stops35h 39mMultiple Airlines
Deal found 4/30$992

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 May 1, 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 7/9

12:15 pm-12:43 am

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 7/23

5:30 pm-11:27 am

1 stop19h 57m

$268

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 6/11

6:07 pm-12:30 pm

1 stop16h 23m

Montreal Pierre Elliott Trudeau Intl

Sun 6/15

8:15 am-9:19 am

1 stop27h 04m

$364

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 6/25

12:15 pm-12:43 am

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 7/2

1:10 pm-1:21 am

1 stop14h 11m

$369

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Sat 6/14

12:04 pm-9:29 pm

1 stop7h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 6/29

8:05 am-9:55 pm

1 stop15h 50m

$427

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Thu 7/24

2:22 pm-11:55 pm

1 stop7h 33m

Montreal Pierre Elliott Trudeau Intl

Mon 8/4

6:20 am-9:59 am

1 stop5h 39m

$451

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Sat 6/14

5:01 pm-2:50 pm

1 stop19h 49m

Montreal Pierre Elliott Trudeau Intl

Sun 6/29

3:40 pm-11:55 pm

1 stop10h 15m

$468

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 5/25

3:49 pm-11:44 am

1 stop17h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 5/26

3:44 pm-9:56 pm

1 stop8h 12m

$533

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 6/1

7:19 pm-7:10 am

1 stop9h 51m

Montreal Pierre Elliott Trudeau Intl

Sun 6/8

1:30 pm-10:05 pm

1 stop10h 35m

$551

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 7/21

12:59 am-11:41 am

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 7/30

11:00 am-8:38 pm

1 stop11h 38m

$569

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 5/26

6:00 am-11:55 am

1 stop27h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 5/27

6:40 pm-9:58 pm

1 stop29h 18m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 18 results
1
2

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, January is the cheapest month in which you can book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 May 1, 2025.

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.

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 2.5 in.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated May 1, 2025.
See what other customers who have flown with Delta, United Airlines and American Airlines from Colorado to Montreal have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,826 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,245 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 WestJet ($155), Sun Country Air ($159), and Air Canada ($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 (61%), United Airlines (61%), Brussels Airlines (59%).

  • 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 $177. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $321 on average our data indicates $1,404 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, January is the cheapest month in which you can book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Laval
Dorval
Brossard
Longueuil
Sherbrooke

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$109Average$442FlexibilityNo cancel feeOn-time60%
DeltaCheapest$211Average$462FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$227Average$570FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$248Average$618FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$452Average$615FlexibilityNo cancel feeOn-time71%

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