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 (83%), Air Canada (66%), United Airlines (66%).

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.

What is the cheapest month to fly from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

Flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport lean towards being more expensive in November. Prices are generally better when you fly from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in August, with the cheapest ticket starting at $233.

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.

$132+ Flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport

Q: How much does it cost to fly round-trip from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

Airfare is typical for this route at the moment. Colorado to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between $244 and $602 in September. The cheapest round-trip price found within the last 3 days was $323 on Multiple Airlines (Sep 3-Sep 5).

Q: How far in advance should I book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

To save on the cost of your flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport, book at least 58 days before your planned departure. Booking around this time can save you about 161% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $499 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,493.

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Cheap flight deals from Colorado to Pierre Elliott Trudeau Intl

Round-trip from	$323 (Kiwi.com)
One-way from	$132 (Kiwi.com)
Popular in	November
Cheapest in	August
Average price	$522
Good round-trip deal	$516 or less
Good one-way deal	$369 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. 4% potential increase in price ($23 potential increase over avg. RT price).

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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 July 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 July 31, 2025.

Wed 9/312:15 pmDEN - YUL

1 stop23h 55mMultiple Airlines

Fri 9/56:45 amYUL - DEN

2 stops18h 28mMultiple Airlines

Deal found 7/31

$323

Tue 8/2612:15 pmDEN - YUL

1 stop10h 28mWestJet

Sat 8/306:45 amYUL - DEN

2 stops30h 42mWestJet

Deal found 7/30

$361

Wed 9/311:35 amDEN - YUL

1 stop11h 01mAir Canada

Fri 9/54:05 pmYUL - DEN

Nonstop4h 13mAir Canada

Deal found 7/29

$374

Fri 10/1712:50 amDEN - YUL

1 stop10h 41mDelta

Wed 10/226:00 amYUL - DEN

1 stop6h 11mDelta

Deal found 7/30

$394

Wed 9/245:44 amDEN - YUL

1 stop7h 05mAmerican Airlines

Sat 11/17:50 amYUL - DEN

2 stops10h 04mAmerican Airlines

Deal found 7/30

$403

Tue 8/196:27 amCOS - YUL

1 stop6h 27mAmerican Airlines

Fri 8/223:44 pmYUL - COS

1 stop20h 18mAmerican Airlines

Deal found 7/30

$458

Sat 9/206:00 amCOS - YUL

1 stop13h 29mUnited Airlines

Mon 9/2211:23 amYUL - COS

2 stops12h 31mUnited Airlines

Deal found 7/31

$483

Thu 9/186:00 amCOS - YUL

2 stops15h 29mDelta

Mon 9/226:45 amYUL - COS

2 stops15h 54mDelta

Deal found 7/29

$522

Fri 8/297:30 amCOS - YUL

2 stops11h 59mMultiple Airlines

Mon 9/19:15 amYUL - COS

2 stops16h 35mMultiple Airlines

Deal found 7/31

$725

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 July 31, 2025.

Wed 9/312:15 pmDEN - YUL

1 stop23h 55mMultiple Airlines

Fri 9/56:45 amYUL - DEN

2 stops18h 28mMultiple Airlines

Deal found 7/31

$323

Tue 8/2612:15 pmDEN - YUL

1 stop10h 28mWestJet

Sat 8/306:45 amYUL - DEN

2 stops30h 42mWestJet

Deal found 7/30

$361

Wed 9/311:35 amDEN - YUL

1 stop11h 01mAir Canada

Fri 9/54:05 pmYUL - DEN

Nonstop4h 13mAir Canada

Deal found 7/29

$374

Fri 10/1712:50 amDEN - YUL

1 stop10h 41mDelta

Wed 10/226:00 amYUL - DEN

1 stop6h 11mDelta

Deal found 7/30

$394

Wed 9/245:44 amDEN - YUL

1 stop7h 05mAmerican Airlines

Sat 11/17:50 amYUL - DEN

2 stops10h 04mAmerican Airlines

Deal found 7/30

$403

Sat 9/206:00 amCOS - YUL

1 stop13h 29mUnited Airlines

Mon 9/2211:23 amYUL - COS

2 stops12h 31mUnited Airlines

Deal found 7/31

$483

Tue 8/196:27 amCOS - YUL

1 stop6h 27mAmerican Airlines

Fri 8/223:44 pmYUL - COS

1 stop20h 18mAmerican Airlines

Deal found 7/30

$458

Thu 9/186:00 amCOS - YUL

2 stops15h 29mDelta

Mon 9/226:45 amYUL - COS

2 stops15h 54mDelta

Deal found 7/29

$522

Fri 8/297:30 amCOS - YUL

2 stops11h 59mMultiple Airlines

Mon 9/19:15 amYUL - COS

2 stops16h 35mMultiple Airlines

Deal found 7/31

$725

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 July 31, 2025 and is based on user searches.

Wed 8/68:00 amDEN - YUL

1 stop28h 20mMultiple Airlines

Sat 8/166:45 amYUL - DEN

2 stops18h 38mMultiple Airlines

Deal found 7/30

$575

Wed 8/611:16 amDEN - YUL

1 stop17h 43mUnited Airlines

Sat 8/164:05 pmYUL - DEN

Nonstop4h 15mUnited Airlines

Deal found 7/30

$837

Wed 8/612:55 amDEN - YUL

1 stop9h 02mDelta

Thu 8/146:55 pmYUL - DEN

1 stop7h 20mDelta

Deal found 7/30

$1,016

Thu 8/77:19 pmDEN - YUL

1 stop9h 51mAir Canada

Thu 8/148:05 amYUL - DEN

Nonstop4h 16mAir Canada

Deal found 7/30

$847

Thu 8/76:35 amDEN - YUL

2 stops15h 52mWestJet

Sat 8/166:45 amYUL - DEN

2 stops15h 08mWestJet

Deal found 7/30

$1,213

Fri 8/85:32 pmDEN - YUL

1 stop16h 09mAmerican Airlines

Tue 8/123:44 pmYUL - DEN

1 stop18h 19mAmerican Airlines

Deal found 7/29

$772

Thu 8/146:03 amDEN - YUL

1 stop8h 07mUnited Airlines

Thu 8/2111:23 amYUL - DEN

1 stop9h 24mUnited Airlines

Deal found 7/30

$512

Thu 8/1412:05 pmCOS - YUL

1 stop7h 24mUnited Airlines

Sat 8/166:15 amYUL - COS

1 stop6h 53mUnited Airlines

Deal found 7/31

$548

Tue 8/196:27 amCOS - YUL

1 stop6h 27mAmerican Airlines

Fri 8/223:44 pmYUL - COS

1 stop20h 18mAmerican Airlines

Deal found 7/30

$458

Wed 8/207:22 amDEN - YUL

1 stop7h 20mAmerican Airlines

Sat 8/233:44 pmYUL - DEN

1 stop8h 31mAmerican Airlines

Deal found 7/29

$419

Tue 8/2612:15 pmDEN - YUL

1 stop10h 28mWestJet

Sat 8/306:45 amYUL - DEN

2 stops30h 42mWestJet

Deal found 7/30

$361

Wed 8/2712:15 pmDEN - YUL

1 stop10h 28mMultiple Airlines

Wed 9/36:45 amYUL - DEN

2 stops27h 24mMultiple Airlines

Deal found 7/30

$400

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 July 31, 2025.

Thu 9/412:15 pmDEN - YUL

1 stop23h 55mMultiple Airlines

Deal found 7/31

$132

Sun 8/3112:15 pmDEN - YUL

1 stop10h 28mWestJet

Deal found 7/30

$133

Thu 9/1111:35 amDEN - YUL

1 stop11h 01mAir Canada

Deal found 7/30

$163

Mon 8/255:06 pmDEN - YUL

2 stops18h 38mAmerican Airlines

Deal found 7/29

$185

Thu 8/287:20 pmDEN - YUL

1 stop10h 56mUnited Airlines

Deal found 7/31

$197

Fri 10/104:54 pmCOS - YUL

1 stop19h 55mAmerican Airlines

Deal found 7/30

$213

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

Wed 9/3

12:15 pm-2:10 pm

1 stop23h 55m

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

6:45 am-11:13 pm

2 stops18h 28m

$323

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 8/26

12:15 pm-12:43 am

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Sat 8/30

6:45 am-11:27 am

2 stops30h 42m

$361

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 9/3

11:35 am-12:36 am

1 stop11h 01m

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

4:05 pm-6:18 pm

Nonstop4h 13m

$374

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 10/17

12:50 am-1:31 pm

1 stop10h 41m

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

6:00 am-10:11 am

1 stop6h 11m

$394

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 9/24

5:44 am-2:49 pm

1 stop7h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

7:50 am-3:54 pm

2 stops10h 04m

$403

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Tue 8/19

6:27 am-2:54 pm

1 stop6h 27m

Montreal Pierre Elliott Trudeau Intl

Fri 8/22

3:44 pm-10:02 am

1 stop20h 18m

$458

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Sat 9/20

6:00 am-9:29 pm

1 stop13h 29m

Montreal Pierre Elliott Trudeau Intl

Mon 9/22

11:23 am-9:54 pm

2 stops12h 31m

$483

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Thu 9/18

6:00 am-11:29 pm

2 stops15h 29m

Montreal Pierre Elliott Trudeau Intl

Mon 9/22

6:45 am-8:39 pm

2 stops15h 54m

$522

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Fri 8/29

7:30 am-9:29 pm

2 stops11h 59m

Montreal Pierre Elliott Trudeau Intl

Mon 9/1

9:15 am-11:50 pm

2 stops16h 35m

$725

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 9/4

12:15 pm-2:10 pm

1 stop23h 55m

$132

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 15 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 (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Read through reviews of airlines operating flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,981 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,900 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

WestJet

7.2

Good

2,978 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

9,851 reviews

Delta

8.0

Very good

7,981 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 ($133), Air Canada ($163), and American Airlines ($185).
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 (83%), Air Canada (66%), United Airlines (66%).
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 $187. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $342 on average our data indicates $1,705 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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Laval

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Sherbrooke

Dorval

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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$451	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$227	Average$532	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$259	Average$551	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$452	Average$606	FlexibilityNo cancel fee	On-time71%

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$132+ 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 9/4. 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 July 31, 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 July 31, 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 July 31, 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 July 31, 2025.

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

How much does it cost to fly round-trip from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Read through reviews of airlines operating flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport, such as Delta, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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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 July 31, 2025.