In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

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.

C$ 215+ Cheap Flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport

Cheap flight deals from Colorado to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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One-way

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 30 August 2026.

Thu 17/912:15 p.m. -

1 stop9h 30m

Sat 19/98:00 p.m. -

1 stop17h 20m

Deal found 28/8C$ 516

Thu 15/1012:15 p.m. -

1 stop9h 30m

Sat 17/108:00 p.m. -

1 stop17h 20m

Deal found 26/8C$ 519

Thu 17/912:15 p.m. -

1 stop9h 30m

Sun 20/97:15 a.m. -

1 stop30h 05m

Deal found 25/8C$ 520

Sun 11/1012:15 p.m. -

1 stop9h 30m

Sat 17/107:15 a.m. -

2 stops18h 28m

Deal found 26/8C$ 532

Sun 11/1012:15 p.m. -

1 stop9h 30m

Sat 17/108:00 p.m. -

1 stop17h 20m

Deal found 26/8C$ 544

Sun 11/1012:15 p.m. -

1 stop9h 30m

Wed 14/106:30 a.m. -

2 stops12h 51m

Deal found 26/8C$ 556

Thu 15/1012:15 p.m. -

1 stop9h 30m

Tue 20/107:15 a.m. -

2 stops15h 09m

Deal found 27/8C$ 559

Thu 17/912:15 p.m. -

1 stop9h 30m

Fri 18/99:00 a.m. -

2 stops25h 15m

Deal found 28/8C$ 560

Mon 21/91:53 p.m. -

2 stops24h 52m

Thu 1/108:00 p.m. -

1 stop17h 20m

Deal found 27/8C$ 562

Fri 18/97:00 a.m. -

2 stops22h 05m

Sat 19/98:00 p.m. -

1 stop17h 20m

Deal found 28/8C$ 570

Sun 11/1012:15 p.m. -

1 stop9h 30m

Sun 18/107:15 a.m. -

2 stops27h 55m

Deal found 26/8C$ 573

Tue 8/125:45 a.m. -

1 stop6h 06m

Wed 9/122:13 p.m. -

2 stops9h 50m

Deal found 26/8C$ 767

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 30 August 2026.

Tue 8/125:45 a.m. -

1 stop6h 06m

Wed 9/122:13 p.m. -

2 stops9h 50m

Deal found 25/8C$ 767

Tue 22/95:13 p.m. -

1 stop13h 22m

Tue 29/97:43 p.m. -

1 stop16h 17m

Deal found 27/8C$ 855

Tue 17/116:00 a.m. -

1 stop6h 00m

Tue 17/115:50 p.m. -

Nonstop4h 37m

Deal found 27/8C$ 1,121

Tue 6/105:30 a.m. -

2 stops8h 40m

Tue 13/1011:23 a.m. -

2 stops12h 01m

Deal found 26/8C$ 870

Tue 23/25:55 p.m. -

2 stops15h 49m

Tue 2/36:00 a.m. -

2 stops13h 14m

Deal found 29/8C$ 883

Sat 19/95:30 a.m. -

2 stops10h 00m

Tue 22/911:23 a.m. -

2 stops9h 24m

Deal found 28/8C$ 883

Sat 26/91:00 p.m. -

1 stop17h 35m

Thu 1/107:43 p.m. -

1 stop16h 17m

Deal found 26/8C$ 966

Sat 14/118:00 a.m. -

1 stop11h 42m

Mon 16/115:50 p.m. -

Nonstop4h 37m

Deal found 29/8C$ 1,128

Mon 14/95:13 p.m. -

1 stop13h 22m

Wed 16/97:43 p.m. -

1 stop16h 17m

Deal found 28/8C$ 1,014

Thu 22/107:40 a.m. -

1 stop6h 30m

Tue 27/105:50 p.m. -

Nonstop4h 37m

Deal found 29/8C$ 1,162

Thu 29/106:00 a.m. -

1 stop9h 07m

Sat 31/105:50 p.m. -

Nonstop4h 37m

Deal found 25/8C$ 1,151

Sat 10/107:40 a.m. -

1 stop6h 30m

Thu 15/108:15 a.m. -

Nonstop4h 16m

Deal found 28/8C$ 1,162

Tue 20/106:00 a.m. -

1 stop8h 10m

Thu 22/108:15 a.m. -

Nonstop4h 16m

Deal found 29/8C$ 1,162

Sun 20/97:00 a.m. -

1 stop9h 53m

Mon 28/96:00 a.m. -

1 stop5h 48m

Deal found 28/8C$ 1,171

Tue 24/111:25 p.m. -

1 stop5h 52m

Sun 29/117:30 a.m. -

1 stop12h 43m

Deal found 29/8C$ 1,171

Find flight deals from Colorado to Pierre Elliott Trudeau Intl

Round-trip from	C$ 516
One-way from	C$ 215
Popular in	September
Cheapest in	November
Average price	C$ 1,057

WestJet
17/9-19/9
2 total stops
26h 50m total
Colorado to Montreal

Search Deals

WestJet
15/10
1 total stop
9h 30m total
Colorado to Montreal

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 159 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

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

Cheapest round-trip

Colorado SpringsMontreal

COS Colorado Springs - YUL Montreal Pierre Elliott Trudeau Intl

COSYUL

Colorado Springs

Tue 8/12

5:45 a.m.-1:51 p.m.

1 stop6h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 9/12

2:13 p.m.-10:03 p.m.

2 stops9h 50m

C$ 767

DenverMontreal

DEN Denver Intl - YUL Montreal Pierre Elliott Trudeau Intl

DENYUL

Denver Intl

Tue 22/9

5:13 p.m.-8:35 a.m.

1 stop13h 22m

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

7:43 p.m.-10:00 a.m.

1 stop16h 17m

C$ 855

Colorado SpringsMontreal

COS Colorado Springs - YUL Montreal Pierre Elliott Trudeau Intl

COSYUL

Colorado Springs

Tue 6/10

5:30 a.m.-4:10 p.m.

2 stops8h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

11:23 a.m.-9:24 p.m.

2 stops12h 01m

C$ 870

Colorado SpringsMontreal

COS Colorado Springs - YUL Montreal Pierre Elliott Trudeau Intl

COSYUL

Colorado Springs

Tue 23/2

5:55 p.m.-11:44 a.m.

2 stops15h 49m

Montreal Pierre Elliott Trudeau Intl

Tue 2/3

6:00 a.m.-5:14 p.m.

2 stops13h 14m

C$ 883

Colorado SpringsMontreal

COS Colorado Springs - YUL Montreal Pierre Elliott Trudeau Intl

COSYUL

Colorado Springs

Sat 19/9

5:30 a.m.-5:30 p.m.

2 stops10h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 22/9

11:23 a.m.-6:47 p.m.

2 stops9h 24m

C$ 883

DenverMontreal

DEN Denver Intl - YUL Montreal Pierre Elliott Trudeau Intl

DENYUL

Denver Intl

Sat 26/9

1:00 p.m.-8:35 a.m.

1 stop17h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

7:43 p.m.-10:00 a.m.

1 stop16h 17m

C$ 966

DenverMontreal

DEN Denver Intl - YUL Montreal Pierre Elliott Trudeau Intl

DENYUL

Denver Intl

Mon 14/9

5:13 p.m.-8:35 a.m.

1 stop13h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

7:43 p.m.-10:00 a.m.

1 stop16h 17m

C$ 1,014

Quickest round-trip

DenverMontreal

DEN Denver Intl - YUL Montreal Pierre Elliott Trudeau Intl

DENYUL

Denver Intl

Tue 17/11

6:00 a.m.-2:00 p.m.

1 stop6h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 17/11

5:50 p.m.-8:27 p.m.

Nonstop4h 37m

C$ 1,121

DenverMontreal

DEN Denver Intl - YUL Montreal Pierre Elliott Trudeau Intl

DENYUL

Denver Intl

Sat 14/11

8:00 a.m.-9:42 p.m.

1 stop11h 42m

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

5:50 p.m.-8:27 p.m.

Nonstop4h 37m

C$ 1,128

DenverMontreal

DEN Denver Intl - YUL Montreal Pierre Elliott Trudeau Intl

DENYUL

Denver Intl

Thu 29/10

6:00 a.m.-5:07 p.m.

1 stop9h 07m

Montreal Pierre Elliott Trudeau Intl

Sat 31/10

5:50 p.m.-8:27 p.m.

Nonstop4h 37m

C$ 1,151

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/8

Showing 1-10 of 29 resultsSorted by cheapest first

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.

DEN-YUL

COS-YUL

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

USCO-YUL

DEN-YUL

COS-YUL

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 C$ 286). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 1,101). 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 Friday, which is when the least amount of flights are scheduled (3 on average).

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

Airfare is below average for this route at the moment.

Colorado to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 905 and C$ 1,265 in September.
The cheapest round-trip price found within the last 5 days was C$ 516 on WestJet (17 Sep-19 Sep).

How far ahead should I book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

The price you pay for your flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

How long is the flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?
United Airlines and Delta can get you from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in just under 6h 06m. Your travel time can differ by up to 7h 16m. Colorado and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 2638 km. This flight may include one or multiple stops.
What are the most reliable airlines from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?
The top 3 most reliable airlines when flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada (57%), United Airlines (56%) and Brussels Airlines (46%).
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 C$ 286). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in September is currently the most expensive (average of C$ 1,101). 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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Saint-Jean-sur-Richelieu

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Louiseville

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Top airline flying from Colorado to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 573	AverageC$ 943	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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How does Cheapflights help users find flights from Colorado to Pierre Elliott Trudeau Intl?

Cheapflights helps you search for flights from Colorado to Pierre Elliott Trudeau Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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Can Cheapflights find flights from Colorado to Pierre Elliott Trudeau Intl with no change fees?

Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from Colorado? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Colorado to Pierre Elliott Trudeau Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Pierre Elliott Trudeau Intl from Colorado today and book when prices fit your budget.

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Cheap flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport from C$ 215

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 30 August 2026.

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 30 August 2026.

Best flights from Colorado to Pierre Elliott Trudeau IntlDiscover 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 30 August 2026.

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 30 August 2026.

Direct flights from Colorado to Pierre Elliott Trudeau IntlExplore direct flight options from Colorado to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

Explore direct flight options from Colorado to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

Last-minute flights from Colorado to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from Colorado to Pierre Elliott Trudeau Intl. Data last updated 30 August 2026 and is based on user searches.

Discover last-minute flight deals from Colorado to Pierre Elliott Trudeau Intl. Data last updated 30 August 2026 and is based on user searches.

One-way flights from Colorado to Pierre Elliott Trudeau IntlSearch for one-way flight options from Colorado to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 30 August 2026.

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 30 August 2026.

Find flight deals from Colorado to Pierre Elliott Trudeau Intl

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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

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 30 August 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

The most flights from USCO to YUL are scheduled on a Monday (5 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

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

Airfare is below average for this route at the moment.

Colorado to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 905 and C$ 1,265 in September.The cheapest round-trip price found within the last 5 days was C$ 516 on WestJet (17 Sep-19 Sep).

How far ahead should I book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport?

The price you pay for your flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

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?

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?

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

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Colorado and Pierre Elliott Trudeau Intl flights

Browse other Colorado and Pierre Elliott Trudeau Intl flight options. Last updated on 30 August 2026.

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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 30 August 2026.

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 30 August 2026.

Direct flights from Colorado to Pierre Elliott Trudeau Intl
Explore direct flight options from Colorado to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 August 2026.

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 30 August 2026 and is based on user searches.

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 30 August 2026.

Colorado to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 905 and C$ 1,265 in September.
The cheapest round-trip price found within the last 5 days was C$ 516 on WestJet (17 Sep-19 Sep).