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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Denver from C$ 239

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DEN
24 May — 31 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Denver Intl are usually found in August or January, booked 83 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Pierre Elliott Trudeau Intl to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Denver
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2026.

Tue 2/67:20 p.m.
YUL
-
DEN
2 stops18h 00m
WestJet
Tue 23/612:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 22/4C$ 420
Thu 7/57:20 p.m.
YUL
-
DEN
2 stops18h 00m
WestJet
Wed 13/512:15 p.m.
DEN
-
YUL
2 stops28h 05m
WestJet
Deal found 22/4C$ 438
Sat 29/87:15 a.m.
YUL
-
DEN
1 stop30h 05m
WestJet
Sat 5/912:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 23/4C$ 445
Fri 17/78:00 p.m.
YUL
-
DEN
1 stop17h 20m
WestJet
Thu 23/712:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 23/4C$ 447
Fri 17/75:30 p.m.
YUL
-
DEN
1 stop19h 50m
WestJet
Mon 20/712:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 23/4C$ 451
Sun 24/58:00 p.m.
YUL
-
DEN
1 stop17h 20m
WestJet
Tue 9/612:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 21/4C$ 461
Sun 24/58:00 p.m.
YUL
-
DEN
1 stop17h 20m
WestJet
Fri 5/612:15 p.m.
DEN
-
YUL
1 stop26h 15m
WestJet
Deal found 21/4C$ 480
Tue 14/78:00 p.m.
YUL
-
DEN
1 stop17h 20m
WestJet
Fri 24/712:15 p.m.
DEN
-
YUL
1 stop9h 30m
WestJet
Deal found 23/4C$ 487

Find flight deals from Pierre Elliott Trudeau Intl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 April 2026.

Round-trip from

C$ 420

One-way from

C$ 239

Popular in

December

Cheapest in

August

Average price

C$ 673

Good round-trip deal

C$ 744 or less

Good one-way deal

C$ 387 or less
WestJet
  • WestJet
  • 2/6-23/6
  • 3 total stops
  • 27h 30m total
  • Montreal to Denver
Search Deals
WestJet
  • WestJet
  • 21/5
  • 1 total stop
  • 17h 20m total
  • Montreal to Denver
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 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 Denver Intl.
Search Deals
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Denver 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 24 April 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 9/10

7:20 p.m.-11:20 a.m.

2 stops42h 00m

Denver Intl

Mon 12/10

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

1 stop9h 30m

C$ 508

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

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

1 stop14h 00m

Denver Intl

Fri 5/6

12:25 p.m.-11:57 p.m.

1 stop9h 32m

C$ 653

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

7:44 p.m.-10:00 a.m.

1 stop16h 16m

Denver Intl

Sat 6/6

12:25 p.m.-11:57 p.m.

1 stop9h 32m

C$ 653

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

3:25 p.m.-9:35 p.m.

1 stop8h 10m

Denver Intl

Sat 9/5

6:00 a.m.-5:30 p.m.

1 stop9h 30m

C$ 657

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

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

1 stop7h 55m

Denver Intl

Mon 8/6

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

1 stop8h 10m

C$ 657

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

5:06 p.m.-10:58 p.m.

1 stop7h 52m

Denver Intl

Sun 7/6

6:00 a.m.-5:45 p.m.

1 stop9h 45m

C$ 657

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

11:23 a.m.-4:39 p.m.

1 stop7h 16m

Denver Intl

Mon 11/5

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

1 stop8h 10m

C$ 657

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

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

1 stop7h 51m

Denver Intl

Fri 15/5

3:15 p.m.-11:57 p.m.

1 stop6h 42m

C$ 657
Quickest round-trip

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 6/5

5:00 p.m.-10:19 p.m.

1 stop7h 19m

Denver Intl

Sat 9/5

1:25 p.m.-9:26 p.m.

1 stop6h 01m

C$ 657
Cheapest one-way

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

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

1 stop14h 00m

C$ 352

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Denver 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 Denver

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

The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Denver is 81 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Denver (average of C$ 575). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Denver in December is currently the most expensive (average of C$ 747). 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 DEN?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 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 Denver as you normally would.

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

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated 24 April 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Denver, such as United Airlines,WestJet, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,643 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

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
9,643 reviews
United Airlines
7.4
Good
9,643 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

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
3,325 reviews
United Airlines
7.4
Good
9,643 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

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
10,961 reviews
United Airlines
7.4
Good
9,643 reviews
Check prices

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

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 Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Montreal Pierre Elliott Trudeau Intl?

    Denver Intl (DEN) is the airport you will fly into if you book a flight from Montreal Pierre Elliott Trudeau Intl to Denver. You should not have trouble finding flights to Denver Intl from Montreal Pierre Elliott Trudeau Intl; the airport handles an average of 3 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Denver airport from Montreal Pierre Elliott Trudeau Intl. It is only a 29.7 km journey from Denver Intl (DEN) to Denver’s city centre.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Denver?

    There are many flights that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Denver in 8h 10m. Fly via WestJet, Delta, or United Airlines to get the fastest option. Montreal Pierre Elliott Trudeau Intl Airport and Denver are separated by a distance of 2585 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Denver round-trip?

    United Airlines, at C$ 368, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Denver.Alternate airlines to your destination round-trip include WestJet and Air Canada. Users have found that United Airlines is 43% cheaper than the other options available to this destination.

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

    The top 3 most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to Denver are Brussels Airlines (63%), Air Canada (62%) and United Airlines (62%).

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

    On average you can expect to pay C$ 700 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Denver. The cheapest flight overall is C$ 300 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl) is currently priced at C$ 521.

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

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

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

    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 Denver.

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Denver 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 Denver?

    Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Denver (average of C$ 575). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Denver in December is currently the most expensive (average of C$ 747). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Golden
Thornton
Black Hawk

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Alternative routes for Pierre Elliott Trudeau Intl to Denver

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Colorado Springs flights
Pierre Elliott Trudeau Intl to Grand Junction flights

Top 3 airlines flying from Pierre Elliott Trudeau Intl to Denver

Discover the top 3 airlines that operate flights from Pierre Elliott Trudeau Intl to Denver. 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 368AverageC$ 753FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 403AverageC$ 1,148FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 417AverageC$ 624FlexibilityNo 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 Denver?

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

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

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

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