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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado from C$ 260

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DEN
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Colorado

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Colorado
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 April 2026.

Tue 28/41:03 p.m.
YUL
-
COS
2 stops11h 22m
American Airlines
Wed 27/55:15 p.m.
COS
-
YUL
2 stops17h 13m
American Airlines
Deal found 4/4C$ 544
Sun 31/512:40 p.m.
YUL
-
COS
1 stop10h 47m
Delta
Sat 6/66:00 a.m.
COS
-
YUL
2 stops15h 13m
Delta
Deal found 8/4C$ 564
Sat 30/59:30 a.m.
YUL
-
COS
2 stops13h 57m
Delta
Tue 2/61:55 p.m.
COS
-
YUL
1 stop8h 02m
Delta
Deal found 8/4C$ 566
Mon 27/48:00 a.m.
YUL
-
DEN
2 stops51h 27m
Multiple Airlines
Fri 8/512:15 p.m.
DEN
-
YUL
1 stop23h 57m
Multiple Airlines
Deal found 6/4C$ 566
Tue 5/58:00 p.m.
YUL
-
DEN
1 stop17h 20m
Multiple Airlines
Tue 12/55:00 p.m.
DEN
-
YUL
2 stops19h 08m
Multiple Airlines
Deal found 7/4C$ 573
Wed 3/66:30 a.m.
YUL
-
DEN
2 stops19h 14m
Multiple Airlines
Wed 10/612:15 p.m.
DEN
-
YUL
1 stop9h 30m
Multiple Airlines
Deal found 4/4C$ 575
Sat 16/58:00 p.m.
YUL
-
DEN
1 stop17h 20m
Multiple Airlines
Thu 28/55:00 p.m.
DEN
-
YUL
2 stops19h 08m
Multiple Airlines
Deal found 5/4C$ 576
Fri 11/911:23 a.m.
YUL
-
DEN
1 stop7h 30m
United Airlines
Fri 11/97:25 p.m.
DEN
-
YUL
1 stop10h 51m
United Airlines
Deal found 7/4C$ 579
Fri 4/95:30 p.m.
YUL
-
DEN
1 stop19h 50m
WestJet
Mon 7/912:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 4/4C$ 586
Fri 1/54:35 p.m.
YUL
-
DEN
2 stops23h 40m
Multiple Airlines
Mon 4/512:15 p.m.
DEN
-
YUL
1 stop16h 50m
Multiple Airlines
Deal found 7/4C$ 594
Sat 16/58:00 p.m.
YUL
-
DEN
1 stop17h 20m
Multiple Airlines
Tue 26/52:40 p.m.
DEN
-
YUL
2 stops49h 40m
Multiple Airlines
Deal found 5/4C$ 597
Sun 26/44:35 p.m.
YUL
-
DEN
1 stop17h 36m
Multiple Airlines
Sat 2/51:09 p.m.
DEN
-
YUL
2 stops22h 59m
Multiple Airlines
Deal found 6/4C$ 600

Find flight deals from Pierre Elliott Trudeau Intl to Colorado

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Colorado flight deals. Data was last updated 9 April 2026.

Round-trip from

C$ 544

One-way from

C$ 260

Popular in

December

Cheapest in

September

Average price

C$ 691

Good round-trip deal

C$ 743 or less

Good one-way deal

C$ 404 or less
American Airlines
  • American Airlines
  • 28/4-27/5
  • 4 total stops
  • 28h 35m total
  • Montreal to Colorado
Search Deals
19/5
  • 19/5
  • 3 total stops
  • 22h 40m total
  • Montreal to Colorado
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 167 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Colorado.
Search Deals
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Colorado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Colorado 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 9 April 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

1:03 p.m.-10:25 p.m.

2 stops11h 22m

Colorado Springs

Wed 27/5

5:15 p.m.-12:28 p.m.

2 stops17h 13m

C$ 544

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

12:40 p.m.-9:27 p.m.

1 stop10h 47m

Colorado Springs

Sat 6/6

6:00 a.m.-11:13 p.m.

2 stops15h 13m

C$ 564

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

9:30 a.m.-9:27 p.m.

2 stops13h 57m

Colorado Springs

Tue 2/6

1:55 p.m.-11:57 p.m.

1 stop8h 02m

C$ 566

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

6:45 p.m.-12:36 a.m.

1 stop7h 51m

Denver Intl

Sat 2/5

5:30 a.m.-11:26 p.m.

2 stops15h 56m

C$ 629

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

7:00 a.m.-9:13 a.m.

2 stops28h 13m

Denver Intl

Tue 5/5

2:59 p.m.-11:08 p.m.

1 stop6h 09m

C$ 643

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

7:00 a.m.-2:40 p.m.

2 stops9h 40m

Colorado Springs

Tue 2/6

12:56 p.m.-12:31 a.m.

2 stops9h 35m

C$ 644
Quickest round-trip

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:35 p.m.-12:44 a.m.

1 stop8h 09m

Denver Intl

Wed 27/5

6:13 a.m.-2:40 p.m.

1 stop6h 27m

C$ 644

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

7:10 a.m.-3:36 p.m.

1 stop10h 26m

Denver Intl

Wed 27/5

1:50 p.m.-11:57 p.m.

1 stop8h 07m

C$ 644

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Sat 20/6

12:53 p.m.-9:19 p.m.

1 stop10h 26m

Colorado Springs

Fri 26/6

11:10 a.m.-11:42 p.m.

1 stop10h 32m

C$ 645

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 7/7

6:45 a.m.-11:20 a.m.

2 stops30h 35m

Denver Intl

Tue 14/7

12:15 p.m.-11:45 p.m.

1 stop9h 30m

C$ 658

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 31 resultsSorted by cheapest first
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2
3
4

Best time to book a flight from Pierre Elliott Trudeau Intl to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Colorado

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

Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Colorado (average of C$ 271). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Colorado in November is currently the most expensive (average of C$ 541). 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 YUL to CO?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado as you normally would.

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

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Colorado. 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 9 April 2026.

The most flights from YUL to USCO 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).

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

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated 9 April 2026.
Read reviews from past customers who have flown United Airlines,WestJet, andAmerican Airlines from Montreal Pierre Elliott Trudeau Intl Airport to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,559 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,559 reviews
United Airlines
7.4
Good
9,559 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,318 reviews
United Airlines
7.4
Good
9,559 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
American Airlines
7.1
Good
11,562 reviews
United Airlines
7.4
Good
9,559 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,913 reviews
United Airlines
7.4
Good
9,559 reviews
Check prices

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Colorado. 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 Montreal Pierre Elliott Trudeau Intl Airport to Colorado?

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Colorado in 8h 09m. Fly via American Airlines, Delta, or United Airlines to get the fastest option. Montreal Pierre Elliott Trudeau Intl Airport and Colorado are separated by a distance of 2585 km. This flight may include one or multiple stops.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to Colorado?

    While some choose either Montreal Pierre Elliott Trudeau Intl - Colorado Springs or Montreal Pierre Elliott Trudeau Intl - Grand Junction Regnl, Montreal Pierre Elliott Trudeau Intl - Denver Intl is the most popular route from Montreal Pierre Elliott Trudeau Intl Airport to Colorado.

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

    Before booking your flight to Colorado from Montreal Pierre Elliott Trudeau Intl Airport, check out the most reliable airlines to get you to your destination on time: Brussels Airlines (65%), Air Canada (62%), United Airlines( 62%).

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado?

    The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to Colorado is C$ 303. On average you can expect to pay C$ 657. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl), can usually be booked for C$ 579.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Colorado that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Colorado.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Colorado?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Colorado 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 Montreal Pierre Elliott Trudeau Intl Airport to Colorado?

    Currently, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Colorado (average of C$ 271). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Colorado in November is currently the most expensive (average of C$ 541). 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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Alternative routes for Pierre Elliott Trudeau Intl to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Pierre Elliott Trudeau Intl to Colorado

Discover the top 4 airlines that operate flights from Pierre Elliott Trudeau Intl to Colorado. 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 9 April 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 316AverageC$ 639FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 373AverageC$ 756FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 402AverageC$ 1,153FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 421AverageC$ 616FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to Colorado. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pierre Elliott Trudeau Intl to Colorado for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Colorado from Pierre Elliott Trudeau Intl? 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 Pierre Elliott Trudeau Intl to Colorado become cheaper?

Not ready to book yet? You can track prices for flights from Pierre Elliott Trudeau Intl to Colorado on Cheapflights with our Price Alert feature and get notified when better prices are available.

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