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Cheap flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport from C$ 159

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Colorado to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 4 December 2025.

Fri 12/1211:59 p.m.DEN - YUL
1 stop22h 31mMultiple Airlines
Mon 12/18:00 a.m.YUL - DEN
2 stops30h 18mMultiple Airlines
Deal found 2/12C$ 498
Fri 12/1211:59 p.m.DEN - YUL
1 stop22h 31mMultiple Airlines
Sun 14/124:35 p.m.YUL - DEN
1 stop32h 29mMultiple Airlines
Deal found 2/12C$ 567
Thu 25/1211:15 a.m.DEN - YUL
Nonstop3h 43mAir Canada
Wed 31/125:25 p.m.YUL - DEN
Nonstop4h 30mAir Canada
Deal found 4/12C$ 588
Sat 13/1211:59 p.m.DEN - YUL
1 stop22h 31mMultiple Airlines
Mon 12/18:00 a.m.YUL - DEN
2 stops30h 18mMultiple Airlines
Deal found 2/12C$ 593
Wed 10/128:00 p.m.DEN - YUL
2 stops18h 23mMultiple Airlines
Sun 11/14:35 p.m.YUL - DEN
1 stop17h 49mMultiple Airlines
Deal found 2/12C$ 646
Mon 29/1211:15 a.m.DEN - YUL
Nonstop3h 43mAir Canada
Mon 5/15:25 p.m.YUL - DEN
Nonstop4h 30mAir Canada
Deal found 3/12C$ 649
Wed 10/128:00 p.m.DEN - YUL
2 stops18h 23mMultiple Airlines
Sat 10/14:35 p.m.YUL - DEN
1 stop17h 49mMultiple Airlines
Deal found 2/12C$ 657
Sun 14/128:45 p.m.DEN - YUL
2 stops19h 00mMultiple Airlines
Wed 17/125:10 p.m.YUL - DEN
1 stop10h 13mMultiple Airlines
Deal found 1/12C$ 682
Fri 19/1210:22 a.m.COS - YUL
2 stops9h 30mMultiple Airlines
Sat 31/14:45 p.m.YUL - COS
1 stop20h 17mMultiple Airlines
Deal found 3/12C$ 1,183
Fri 19/1211:33 a.m.COS - YUL
2 stops8h 19mAir Canada
Sat 31/112:10 p.m.YUL - COS
2 stops9h 55mAir Canada
Deal found 3/12C$ 1,249

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 4 December 2025.

Round-trip from

C$ 384

One-way from

C$ 159

Popular in

December

Cheapest in

May

Average price

C$ 966
American Airlines
  • American Airlines
  • 3/2-9/2
  • 2 total stops
  • 45h 39m total
  • Colorado to Montreal
Search Deals
American Airlines
  • American Airlines
  • 10/2
  • 1 total stop
  • 21h 54m total
  • Colorado to Montreal
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 629,999 searches. Data last updated 4 December 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

Tue 3/2

6:00 a.m.-9:42 p.m.

2 stops13h 42m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

7:00 p.m.-8:49 a.m.

2 stops15h 49m

C$ 568

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 18/2

8:30 p.m.-2:00 p.m.

1 stop15h 30m

Montreal Pierre Elliott Trudeau Intl

Fri 20/2

6:00 a.m.-10:56 p.m.

1 stop18h 56m

C$ 581

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 13/2

8:30 p.m.-2:00 p.m.

1 stop15h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 17/2

6:00 a.m.-4:36 p.m.

1 stop12h 36m

C$ 581

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 25/12

8:45 a.m.-9:00 p.m.

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

5:25 p.m.-7:55 p.m.

Nonstop4h 30m

C$ 592

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 6/2

8:25 p.m.-2:00 p.m.

1 stop15h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

6:00 a.m.-3:52 p.m.

1 stop11h 52m

C$ 597

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 6/2

5:42 p.m.-2:00 p.m.

1 stop18h 18m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

6:00 a.m.-3:52 p.m.

1 stop11h 52m

C$ 642

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 9/4

11:05 a.m.-4:51 p.m.

Nonstop3h 46m

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

5:35 p.m.-7:55 p.m.

Nonstop4h 20m

C$ 649

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 15/4

7:00 a.m.-6:53 p.m.

1 stop9h 53m

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

7:45 p.m.-4:34 p.m.

1 stop22h 49m

C$ 666

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Wed 21/1

11:43 a.m.-9:17 p.m.

1 stop7h 34m

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

6:00 a.m.-11:02 a.m.

1 stop7h 02m

C$ 828

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Fri 19/12

10:22 a.m.-9:52 p.m.

2 stops9h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

4:45 p.m.-11:02 a.m.

1 stop20h 17m

C$ 1,183

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 19 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 C$ 152). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 603). 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 4 December 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.

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 4 December 2025.

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

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?

    United Airlines and Air Canada can get you from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in just under 10h 15m. Your travel time can differ by up to 3h 27m. Colorado and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 2585 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 Brussels Airlines (81%), Air Canada (81%) and United Airlines (80%).

  • 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 C$ 152). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 603). 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

Travelling 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
Dorval
Cornwall
Sherbrooke
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

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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 airline flying from Colorado to Pierre Elliott Trudeau Intl

Discover the top airline 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 629,999 searches. Data last updated 4 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 581AverageC$ 975FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Why should you use Cheapflights to find cheap flight tickets from Colorado to Pierre Elliott Trudeau Intl?

Cheapflights simply makes it quick and affordable to book flights from Colorado to Pierre Elliott Trudeau Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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