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.

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).

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 (72%), Air Canada (69%), United Airlines (69%).

What are the most popular airlines that fly from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

American Airlines, Air Canada and Delta are the most popular airlines when flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport.

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.

$100+ Cheap Flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport

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Cheap flight deals from Colorado to Pierre Elliott Trudeau Intl

Round-trip from	$295 (Kiwi.com)
One-way from	$100 (Trip.com)
Popular in	November
Cheapest in	May
Average price	$592
Good round-trip deal	$531 or less
Good one-way deal	$445 or less

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. 5% potential increase in price ($32 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 17, 2025.

Wed 10/88:00 amDEN - YUL

2 stops14h 27mMultiple Airlines

Sat 10/115:30 pmYUL - DEN

1 stop19h 54mMultiple Airlines

Deal found 9/15

$295

Mon 10/612:15 pmDEN - YUL

2 stops34h 12mWestJet

Sat 10/115:30 pmYUL - DEN

1 stop19h 54mWestJet

Deal found 9/15

$302

Fri 10/312:15 pmDEN - YUL

1 stop10h 26mWestJet

Sat 10/115:30 pmYUL - DEN

1 stop19h 54mWestJet

Deal found 9/15

$306

Wed 10/228:00 amDEN - YUL

2 stops14h 41mMultiple Airlines

Thu 10/236:45 amYUL - DEN

1 stop18h 31mMultiple Airlines

Deal found 9/15

$315

Fri 10/178:21 pmDEN - YUL

2 stops26h 06mMultiple Airlines

Thu 10/236:45 amYUL - DEN

1 stop18h 31mMultiple Airlines

Deal found 9/15

$320

Tue 10/217:00 amDEN - YUL

2 stops15h 41mMultiple Airlines

Thu 10/236:45 amYUL - DEN

1 stop18h 31mMultiple Airlines

Deal found 9/15

$322

Fri 10/178:21 pmDEN - YUL

2 stops26h 06mMultiple Airlines

Tue 10/216:35 pmYUL - DEN

1 stop22h 49mMultiple Airlines

Deal found 9/15

$325

Wed 10/226:10 amDEN - YUL

1 stop9h 45mMultiple Airlines

Fri 10/246:45 amYUL - DEN

2 stops18h 25mMultiple Airlines

Deal found 9/15

$330

Fri 10/312:15 pmDEN - YUL

2 stops34h 12mWestJet

Sun 10/125:30 pmYUL - DEN

1 stop19h 54mWestJet

Deal found 9/15

$341

Mon 10/206:10 amDEN - YUL

1 stop9h 45mMultiple Airlines

Fri 10/246:45 amYUL - DEN

2 stops18h 25mMultiple Airlines

Deal found 9/15

$346

Sat 10/118:00 amDEN - YUL

2 stops14h 41mMultiple Airlines

Sun 10/125:30 pmYUL - DEN

1 stop19h 54mMultiple Airlines

Deal found 9/15

$349

Wed 10/2210:29 pmDEN - YUL

2 stops24h 12mMultiple Airlines

Tue 10/285:10 pmYUL - DEN

1 stop9h 58mMultiple Airlines

Deal found 9/15

$351

Best flights from Colorado to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Colorado to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Fri 10/312:15 pmDEN - YUL

2 stops34h 12mWestJet

Sun 10/125:30 pmYUL - DEN

1 stop19h 54mWestJet

Deal found 9/15

$341

Thu 10/27:07 pmDEN - YUL

1 stop13h 33mMultiple Airlines

Tue 10/75:00 amYUL - DEN

1 stop7h 04mMultiple Airlines

Deal found 9/14

$398

Fri 10/1711:59 pmDEN - YUL

1 stop13h 01mUnited Airlines

Fri 10/244:55 pmYUL - DEN

1 stop7h 05mUnited Airlines

Deal found 9/15

$402

Sun 10/511:40 amDEN - YUL

1 stop9h 38mDelta

Tue 10/77:00 amYUL - DEN

1 stop8h 52mDelta

Deal found 9/15

$402

Wed 3/118:45 amDEN - YUL

1 stop10h 15mAir Canada

Tue 3/175:25 pmYUL - DEN

Nonstop4h 30mAir Canada

Deal found 9/16

$412

Thu 10/304:54 pmCOS - YUL

2 stops17h 30mAmerican Airlines

Thu 11/63:59 pmYUL - COS

2 stops19h 44mAmerican Airlines

Deal found 9/14

$447

Fri 10/312:15 pmDEN - YUL

2 stops34h 12mWestJet

Sat 10/115:30 pmYUL - DEN

1 stop19h 54mWestJet

Deal found 9/15

$341

Sun 10/56:00 amDEN - YUL

1 stop9h 26mUnited Airlines

Wed 10/83:41 pmYUL - DEN

1 stop7h 36mUnited Airlines

Deal found 9/15

$402

Thu 10/2312:55 amDEN - YUL

1 stop9h 07mDelta

Thu 10/307:00 amYUL - DEN

1 stop10h 42mDelta

Deal found 9/15

$417

Fri 11/78:45 amDEN - YUL

1 stop10h 15mAir Canada

Tue 11/1111:10 amYUL - DEN

1 stop7h 30mAir Canada

Deal found 9/17

$424

Tue 10/145:01 pmCOS - YUL

2 stops18h 33mAmerican Airlines

Tue 10/217:29 amYUL - COS

2 stops16h 40mAmerican Airlines

Deal found 9/14

$452

Tue 10/146:20 pmCOS - YUL

2 stops14h 20mUnited Airlines

Tue 10/216:15 amYUL - COS

1 stop7h 00mUnited Airlines

Deal found 9/15

$411

Sat 11/88:45 amDEN - YUL

1 stop10h 15mAir Canada

Tue 11/1110:10 amYUL - DEN

1 stop8h 30mAir Canada

Deal found 9/17

$424

Thu 10/301:16 pmCOS - YUL

1 stop8h 32mDelta

Thu 11/67:00 amYUL - COS

1 stop7h 11mDelta

Deal found 9/14

$432

Tue 10/217:46 amDEN - YUL

1 stop6h 24mUnited Airlines

Mon 10/279:15 amYUL - DEN

1 stop17h 02mUnited Airlines

Deal found 9/15

$417

Fri 10/104:54 pmCOS - YUL

1 stop19h 55mAmerican Airlines

Fri 10/173:44 pmYUL - COS

1 stop20h 02mAmerican Airlines

Deal found 9/16

$484

Tue 10/146:00 amCOS - YUL

1 stop9h 34mDelta

Tue 10/2112:36 pmYUL - COS

1 stop9h 54mDelta

Deal found 9/15

$444

Thu 10/306:00 amCOS - YUL

2 stops7h 57mUnited Airlines

Thu 11/65:25 pmYUL - COS

1 stop6h 34mUnited Airlines

Deal found 9/14

$441

Fri 10/106:20 pmCOS - YUL

2 stops17h 34mUnited Airlines

Fri 10/175:25 pmYUL - COS

1 stop6h 29mUnited Airlines

Deal found 9/15

$727

Last-minute flights from Colorado to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Colorado to Pierre Elliott Trudeau Intl. Data last updated September 17, 2025 and is based on user searches.

Fri 10/312:15 pmDEN - YUL

1 stop10h 26mWestJet

Sun 10/125:30 pmYUL - DEN

1 stop19h 54mWestJet

Deal found 9/15

$306

Fri 10/312:15 pmDEN - YUL

2 stops34h 12mWestJet

Sat 10/115:30 pmYUL - DEN

1 stop19h 54mWestJet

Deal found 9/15

$341

Mon 10/612:15 pmDEN - YUL

2 stops34h 12mWestJet

Sun 10/125:30 pmYUL - DEN

1 stop19h 54mWestJet

Deal found 9/15

$302

Wed 10/88:00 amDEN - YUL

2 stops14h 27mMultiple Airlines

Sat 10/115:30 pmYUL - DEN

1 stop19h 54mMultiple Airlines

Deal found 9/15

$295

Sat 10/118:00 amDEN - YUL

2 stops14h 41mMultiple Airlines

Sun 10/125:30 pmYUL - DEN

1 stop19h 54mMultiple Airlines

Deal found 9/15

$349

Fri 10/178:21 pmDEN - YUL

2 stops26h 06mMultiple Airlines

Thu 10/236:45 amYUL - DEN

1 stop18h 31mMultiple Airlines

Deal found 9/15

$320

Fri 10/178:21 pmDEN - YUL

2 stops26h 06mMultiple Airlines

Tue 10/216:35 pmYUL - DEN

1 stop22h 49mMultiple Airlines

Deal found 9/15

$325

Mon 10/206:10 amDEN - YUL

1 stop9h 45mMultiple Airlines

Fri 10/246:45 amYUL - DEN

2 stops18h 25mMultiple Airlines

Deal found 9/15

$346

Tue 10/217:00 amDEN - YUL

2 stops15h 41mMultiple Airlines

Thu 10/236:45 amYUL - DEN

1 stop18h 31mMultiple Airlines

Deal found 9/15

$322

Wed 10/228:00 amDEN - YUL

2 stops14h 41mMultiple Airlines

Thu 10/236:45 amYUL - DEN

1 stop18h 31mMultiple Airlines

Deal found 9/15

$315

Wed 10/226:10 amDEN - YUL

1 stop9h 45mMultiple Airlines

Fri 10/246:45 amYUL - DEN

2 stops18h 25mMultiple Airlines

Deal found 9/15

$330

Wed 10/2210:29 pmDEN - YUL

2 stops24h 12mMultiple Airlines

Tue 10/285:10 pmYUL - DEN

1 stop9h 58mMultiple Airlines

Deal found 9/15

$351

One-way flights from Colorado to Pierre Elliott Trudeau Intl
Search for one-way flight options from Colorado to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Wed 10/228:00 amDEN - YUL

2 stops14h 41mMultiple Airlines

Deal found 9/16

$100

Sat 10/2512:00 pmDEN - YUL

2 stops10h 27mMultiple Airlines

Deal found 9/15

$104

Fri 10/247:00 amDEN - YUL

2 stops15h 27mMultiple Airlines

Deal found 9/14

$114

Wed 10/88:00 amDEN - YUL

2 stops14h 27mMultiple Airlines

Deal found 9/15

$123

Mon 11/311:04 amDEN - YUL

2 stops11h 39mMultiple Airlines

Deal found 9/16

$124

Tue 10/1410:29 pmDEN - YUL

3 stops47h 58mMultiple Airlines

Deal found 9/15

$134

Sun 10/1212:15 pmDEN - YUL

2 stops34h 12mWestJet

Deal found 9/15

$138

Sun 10/510:29 pmDEN - YUL

3 stops47h 58mMultiple Airlines

Deal found 9/16

$140

Mon 12/85:35 pmDEN - YUL

2 stops35h 30mMultiple Airlines

Deal found 9/15

$143

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 10/3

12:15 pm-12:27 am

2 stops34h 12m

Montreal Pierre Elliott Trudeau Intl

Sun 10/12

5:30 pm-11:24 am

1 stop19h 54m

$341

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 10/3

12:15 pm-12:27 am

2 stops34h 12m

Montreal Pierre Elliott Trudeau Intl

Sat 10/11

5:30 pm-11:24 am

1 stop19h 54m

$341

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 10/2

7:07 pm-10:40 am

1 stop13h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 10/7

5:00 am-10:04 am

1 stop7h 04m

$398

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 10/17

11:59 pm-3:00 pm

1 stop13h 01m

Montreal Pierre Elliott Trudeau Intl

Fri 10/24

4:55 pm-10:00 pm

1 stop7h 05m

$402

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 10/5

11:40 am-11:18 pm

1 stop9h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 10/7

7:00 am-1:52 pm

1 stop8h 52m

$402

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 10/5

6:00 am-5:26 pm

1 stop9h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 10/8

3:41 pm-9:17 pm

1 stop7h 36m

$402

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Tue 10/14

6:20 pm-10:40 am

2 stops14h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 10/21

6:15 am-11:15 am

1 stop7h 00m

$411

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 3/11

8:45 am-9:00 pm

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 3/17

5:25 pm-7:55 pm

Nonstop4h 30m

$412

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 10/23

12:55 am-12:02 pm

1 stop9h 07m

Montreal Pierre Elliott Trudeau Intl

Thu 10/30

7:00 am-3:42 pm

1 stop10h 42m

$417

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 10/21

7:46 am-4:10 pm

1 stop6h 24m

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

9:15 am-12:17 am

1 stop17h 02m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 29 results

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?

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

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

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 38m. WestJet provides one of the quickest options available for as low as $402. 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 (72%), Air Canada (69%), United Airlines (69%).
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 $175. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $344 on average, our data indicates $1,576 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

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Sherbrooke

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Top 5 airlines flying from Colorado to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
WestJet	Cheapest$109	Average$425	FlexibilityNo cancel fee	On-time60%
Delta	Cheapest$211	Average$440	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$227	Average$542	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$277	Average$580	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$452	Average$606	FlexibilityNo cancel fee	On-time71%

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$100+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado to Pierre Elliott Trudeau Intl with Cheapflights

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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 September 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Colorado to Pierre Elliott Trudeau Intl

Cheapest flights from Colorado to Pierre Elliott Trudeau IntlExplore 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 September 17, 2025.

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 September 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

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.

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?

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 September 17, 2025.

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

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?

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

What are the cheapest flights 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?

How can I 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?

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

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

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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

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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 September 17, 2025.