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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado from C$ 312

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 28/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DEN
24 Jun — 1 Jul1
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 25 May 2026.

Sat 3/105:30 p.m.
YUL
-
DEN
1 stop19h 50m
WestJet
Thu 8/1012:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 20/5C$ 504
Thu 16/77:15 a.m.
YUL
-
DEN
1 stop30h 05m
WestJet
Mon 20/712:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 20/5C$ 506
Mon 31/88:00 p.m.
YUL
-
DEN
1 stop17h 20m
WestJet
Mon 14/912:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 20/5C$ 508
Fri 12/66:45 a.m.
YUL
-
DEN
2 stops30h 35m
WestJet
Sun 14/612:15 p.m.
DEN
-
YUL
2 stops26h 30m
WestJet
Deal found 20/5C$ 510
Wed 19/88:00 p.m.
YUL
-
DEN
1 stop17h 20m
WestJet
Tue 1/912:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 21/5C$ 513
Thu 16/75:30 p.m.
YUL
-
DEN
1 stop19h 50m
WestJet
Tue 21/712:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 20/5C$ 536
Fri 3/78:00 p.m.
YUL
-
DEN
1 stop17h 20m
WestJet
Tue 7/712:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 21/5C$ 539
Fri 17/75:45 p.m.
YUL
-
DEN
2 stops19h 35m
WestJet
Tue 21/712:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 20/5C$ 551
Tue 7/75:30 p.m.
YUL
-
DEN
1 stop19h 50m
WestJet
Thu 9/712:15 p.m.
DEN
-
YUL
1 stop16h 50m
WestJet
Deal found 20/5C$ 554
Thu 12/117:00 a.m.
YUL
-
COS
1 stop7h 58m
Delta
Sun 15/116:00 a.m.
COS
-
YUL
2 stops15h 10m
Delta
Deal found 25/5C$ 649
Fri 16/1012:45 p.m.
YUL
-
COS
1 stop10h 36m
Delta
Tue 20/106:00 a.m.
COS
-
YUL
2 stops10h 50m
Delta
Deal found 22/5C$ 712
Fri 16/104:30 p.m.
YUL
-
COS
1 stop7h 33m
United Airlines
Tue 20/106:31 p.m.
COS
-
YUL
2 stops14h 52m
United Airlines
Deal found 24/5C$ 734

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 25 May 2026.

Round-trip from

C$ 504

One-way from

C$ 312

Popular in

December

Cheapest in

November

Average price

C$ 644

Good round-trip deal

C$ 856 or less

Good one-way deal

C$ 434 or less
WestJet
  • WestJet
  • 3/10-8/10
  • 2 total stops
  • 29h 20m total
  • Montreal to Colorado
Search Deals
WestJet
  • WestJet
  • 28/6
  • 1 total stop
  • 30h 05m total
  • Montreal to Colorado
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 25 May 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
Quickest round-trip

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

6:00 a.m.-9:43 a.m.

1 stop5h 43m

Denver Intl

Tue 16/6

7:10 a.m.-6:54 p.m.

1 stop9h 44m

C$ 696

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 6/8

5:10 p.m.-10:48 p.m.

1 stop7h 38m

Denver Intl

Tue 11/8

9:29 a.m.-11:59 p.m.

2 stops12h 30m

C$ 698

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

7:00 a.m.-6:14 p.m.

2 stops13h 14m

Denver Intl

Wed 15/7

3:10 p.m.-11:52 p.m.

1 stop6h 42m

C$ 698

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

6:35 p.m.-12:30 a.m.

1 stop7h 55m

Denver Intl

Sat 20/6

6:00 a.m.-4:10 p.m.

1 stop8h 10m

C$ 702

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

12:40 p.m.-8:01 p.m.

1 stop9h 21m

Denver Intl

Thu 11/6

3:15 p.m.-11:55 p.m.

1 stop6h 40m

C$ 703

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

12:45 p.m.-9:21 p.m.

1 stop10h 36m

Colorado Springs

Tue 20/10

1:40 p.m.-11:51 p.m.

1 stop8h 11m

C$ 712

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

4:30 p.m.-10:03 p.m.

1 stop7h 33m

Colorado Springs

Tue 20/10

6:31 p.m.-11:23 a.m.

2 stops14h 52m

C$ 734

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

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

2 stops9h 53m

Colorado Springs

Tue 20/10

1:15 p.m.-12:36 a.m.

2 stops9h 21m

C$ 756

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

6:47 p.m.-12:23 a.m.

1 stop7h 36m

Denver Intl

Fri 24/7

5:45 a.m.-5:42 p.m.

1 stop9h 57m

C$ 763

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 14/8

5:10 p.m.-10:48 p.m.

1 stop7h 38m

Denver Intl

Mon 17/8

12:45 a.m.-11:39 a.m.

1 stop8h 54m

C$ 763

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/5

Showing 1-10 of 26 resultsSorted by cheapest first
1
2
3

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, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Colorado (average of C$ 206). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Colorado in April is currently the most expensive (average of C$ 551). 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 25 May 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 25 May 2026.

The most flights from YUL to USCO 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 Montreal Pierre Elliott Trudeau Intl Airport to Colorado?

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

To ensure you get the cheapest price possible for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Colorado, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 25 May 2026.
Read reviews from past customers who have flown United Airlines,WestJet, andAir Canada 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
9,749 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

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
9,749 reviews
United Airlines
7.4
Good
9,749 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

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
3,345 reviews
United Airlines
7.4
Good
9,749 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

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
11,083 reviews
United Airlines
7.4
Good
9,749 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

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 7h 55m. Fly via 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: Air Canada (77%), United Airlines (77%), Brussels Airlines( 64%).

  • 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$ 411. On average you can expect to pay C$ 833. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl), can usually be booked for C$ 667.

  • 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, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Colorado (average of C$ 206). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Colorado in April is currently the most expensive (average of C$ 551). 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 3 airlines flying from Pierre Elliott Trudeau Intl to Colorado

Discover the top 3 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 25 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 372AverageC$ 820FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 417AverageC$ 537FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 420AverageC$ 668FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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?

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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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