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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado from C$ 235

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DEN
23 Mar — 30 Mar1
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 21 February 2026.

Tue 7/47:45 a.m.
YUL
-
DEN
1 stop12h 25m
American Airlines
Tue 14/412:24 p.m.
DEN
-
YUL
1 stop21h 20m
American Airlines
Deal found 20/2C$ 389
Fri 10/43:45 p.m.
YUL
-
DEN
1 stop8h 14m
American Airlines
Mon 13/45:30 a.m.
DEN
-
YUL
1 stop7h 14m
American Airlines
Deal found 19/2C$ 400
Sat 18/412:30 p.m.
YUL
-
DEN
2 stops11h 29m
American Airlines
Sat 25/45:14 p.m.
DEN
-
YUL
1 stop19h 30m
American Airlines
Deal found 20/2C$ 402
Tue 31/33:45 p.m.
YUL
-
DEN
1 stop8h 52m
American Airlines
Tue 7/45:44 p.m.
DEN
-
YUL
1 stop16h 00m
American Airlines
Deal found 20/2C$ 407
Thu 26/37:12 a.m.
YUL
-
DEN
1 stop17h 30m
American Airlines
Tue 31/36:50 a.m.
DEN
-
YUL
1 stop6h 08m
American Airlines
Deal found 20/2C$ 417
Wed 4/312:59 p.m.
YUL
-
DEN
2 stops11h 41m
American Airlines
Wed 11/311:59 p.m.
DEN
-
YUL
1 stop11h 46m
American Airlines
Deal found 18/2C$ 431
Tue 7/410:15 a.m.
YUL
-
DEN
2 stops16h 02m
Multiple Airlines
Tue 14/411:59 p.m.
DEN
-
YUL
1 stop22h 31m
Multiple Airlines
Deal found 19/2C$ 461
Wed 1/42:25 p.m.
YUL
-
DEN
2 stops19h 55m
American Airlines
Sat 4/46:39 a.m.
DEN
-
YUL
1 stop14h 09m
American Airlines
Deal found 20/2C$ 468
Fri 10/42:32 p.m.
YUL
-
DEN
2 stops19h 54m
American Airlines
Sat 11/41:13 p.m.
DEN
-
YUL
2 stops20h 31m
American Airlines
Deal found 19/2C$ 479
Tue 10/34:35 p.m.
YUL
-
DEN
1 stop17h 45m
Multiple Airlines
Wed 25/312:54 p.m.
DEN
-
YUL
2 stops25h 26m
Multiple Airlines
Deal found 18/2C$ 487
Tue 10/38:00 a.m.
YUL
-
DEN
2 stops25h 13m
Multiple Airlines
Thu 26/311:59 p.m.
DEN
-
YUL
1 stop22h 31m
Multiple Airlines
Deal found 18/2C$ 501
Tue 21/412:30 p.m.
YUL
-
COS
1 stop25h 22m
American Airlines
Sun 26/45:41 a.m.
COS
-
YUL
1 stop7h 03m
American Airlines
Deal found 17/2C$ 564

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 21 February 2026.

Round-trip from

C$ 389

One-way from

C$ 235

Popular in

December

Cheapest in

September

Average price

C$ 724

Good round-trip deal

C$ 649 or less

Good one-way deal

C$ 501 or less
American Airlines
  • American Airlines
  • 7/4-14/4
  • 2 total stops
  • 33h 45m total
  • Montreal to Colorado
Search Deals
American Airlines
  • American Airlines
  • 8/4
  • 1 total stop
  • 12h 15m total
  • Montreal to Colorado
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 21 February 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

Pierre Elliott Trudeau Intl

Fly to

Colorado

Route

Depart

Return

Price

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

12:30 p.m.-11:59 p.m.

1 stop13h 29m

Denver Intl

Tue 28/4

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

1 stop16h 00m

C$ 502

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

7:30 p.m.-10:06 a.m.

1 stop16h 36m

Denver Intl

Tue 24/3

5:55 p.m.-8:30 a.m.

1 stop12h 35m

C$ 534

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

7:33 p.m.-10:25 a.m.

1 stop16h 52m

Denver Intl

Tue 31/3

11:59 p.m.-11:44 p.m.

2 stops21h 45m

C$ 535

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

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

Nonstop4h 20m

Denver Intl

Fri 24/4

8:45 a.m.-9:03 p.m.

1 stop10h 18m

C$ 546

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

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

Nonstop4h 20m

Denver Intl

Sat 25/4

8:45 a.m.-9:03 p.m.

1 stop10h 18m

C$ 546

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

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

Nonstop4h 20m

Denver Intl

Sun 26/4

8:45 a.m.-9:03 p.m.

1 stop10h 18m

C$ 560

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 22/4

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

Nonstop4h 20m

Denver Intl

Sun 26/4

8:45 a.m.-9:03 p.m.

1 stop10h 18m

C$ 561

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

12:30 p.m.-11:52 a.m.

1 stop25h 22m

Colorado Springs

Sun 26/4

5:41 a.m.-2:44 p.m.

1 stop7h 03m

C$ 564

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

9:30 a.m.-9:05 p.m.

1 stop13h 35m

Denver Intl

Fri 17/4

11:55 p.m.-11:51 p.m.

2 stops21h 56m

C$ 568

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 5/3

7:33 p.m.-10:25 a.m.

1 stop16h 52m

Denver Intl

Tue 24/3

5:55 p.m.-8:30 a.m.

1 stop12h 35m

C$ 568

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 43 results
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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$ 253). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Colorado in March is currently the most expensive (average of C$ 543). 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 21 February 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 21 February 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).

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 21 February 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andWestJet 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
9,335 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

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
9,335 reviews
United Airlines
7.4
Good
9,335 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

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
7.2
Good
11,334 reviews
United Airlines
7.4
Good
9,335 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

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
3,270 reviews
United Airlines
7.4
Good
9,335 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

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
10,734 reviews
United Airlines
7.4
Good
9,335 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

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 4h 20m. Fly via American Airlines, Delta, or Air Canada 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 (55%), Air Canada (55%), United Airlines( 55%).

  • 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$ 458. On average you can expect to pay C$ 775. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl), can usually be booked for C$ 494.

  • 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$ 253). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Colorado in March is currently the most expensive (average of C$ 543). 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

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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 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 368AverageC$ 812FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 398AverageC$ 1,051FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 416AverageC$ 621FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 553AverageC$ 743FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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