Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Denver 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
12 Apr — 19 Apr1
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 May, booked 83 days in advance, depart on a Wednesday or Friday 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 13 March 2026.

Fri 10/412:30 p.m.
YUL
-
DEN
1 stop13h 29m
American Airlines
Mon 13/45:30 a.m.
DEN
-
YUL
1 stop7h 14m
American Airlines
Deal found 11/3C$ 401
Fri 1/53:45 p.m.
YUL
-
DEN
1 stop10h 00m
American Airlines
Thu 7/55:30 a.m.
DEN
-
YUL
1 stop7h 14m
American Airlines
Deal found 12/3C$ 408
Tue 31/33:45 p.m.
YUL
-
DEN
1 stop8h 52m
American Airlines
Wed 15/46:30 p.m.
DEN
-
YUL
1 stop18h 14m
American Airlines
Deal found 11/3C$ 419
Thu 9/47:29 a.m.
YUL
-
DEN
1 stop15h 02m
American Airlines
Sun 12/45:30 a.m.
DEN
-
YUL
1 stop7h 14m
American Airlines
Deal found 11/3C$ 420
Wed 8/412:30 p.m.
YUL
-
DEN
2 stops13h 15m
American Airlines
Mon 13/46:30 p.m.
DEN
-
YUL
2 stops15h 14m
American Airlines
Deal found 13/3C$ 469
Mon 6/47:30 a.m.
YUL
-
DEN
1 stop16h 06m
American Airlines
Mon 13/45:44 p.m.
DEN
-
YUL
1 stop16h 00m
American Airlines
Deal found 13/3C$ 472
Fri 20/37:30 a.m.
YUL
-
DEN
1 stop7h 49m
American Airlines
Tue 24/37:05 a.m.
DEN
-
YUL
1 stop13h 51m
American Airlines
Deal found 13/3C$ 482
Sat 2/51:03 p.m.
YUL
-
DEN
2 stops12h 56m
American Airlines
Thu 7/55:30 a.m.
DEN
-
YUL
1 stop7h 14m
American Airlines
Deal found 12/3C$ 491
Fri 21/85:29 p.m.
YUL
-
DEN
1 stop17h 22m
American Airlines
Sat 29/85:31 p.m.
DEN
-
YUL
1 stop16h 04m
American Airlines
Deal found 13/3C$ 506

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 13 March 2026.

Round-trip from

C$ 401

One-way from

C$ 235

Popular in

March

Cheapest in

August

Average price

C$ 1,096

Good round-trip deal

C$ 660 or less

Good one-way deal

C$ 501 or less
American Airlines
  • American Airlines
  • 10/4-13/4
  • 2 total stops
  • 20h 43m total
  • Montreal to Denver
Search Deals
American Airlines
  • American Airlines
  • 8/4
  • 1 total stop
  • 15h 12m total
  • Montreal to Denver
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 13 March 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

Wed 22/4

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

1 stop13h 35m

Denver Intl

Sun 26/4

5:45 a.m.-5:40 p.m.

1 stop9h 55m

C$ 618

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

6:00 a.m.-1:57 p.m.

1 stop9h 57m

Denver Intl

Tue 21/4

7:12 a.m.-6:51 p.m.

1 stop9h 39m

C$ 651

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

7:00 a.m.-5:07 p.m.

1 stop12h 07m

Denver Intl

Tue 14/4

7:12 a.m.-8:40 a.m.

1 stop23h 28m

C$ 655

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

6:00 a.m.-12:07 p.m.

1 stop8h 07m

Denver Intl

Thu 16/4

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

1 stop8h 10m

C$ 672

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

2:20 p.m.-10:15 p.m.

1 stop9h 55m

Denver Intl

Tue 21/4

6:00 a.m.-7:45 p.m.

1 stop11h 45m

C$ 681
Quickest round-trip

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 26/5

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

1 stop7h 55m

Denver Intl

Mon 1/6

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

1 stop8h 10m

C$ 681

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

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

1 stop7h 51m

Denver Intl

Sun 26/4

5:45 a.m.-5:40 p.m.

1 stop9h 55m

C$ 683

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

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

1 stop7h 51m

Denver Intl

Thu 23/4

12:55 a.m.-11:36 a.m.

1 stop8h 41m

C$ 683

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

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

1 stop7h 51m

Denver Intl

Mon 27/4

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

2 stops15h 56m

C$ 687
Cheapest one-way

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

4:25 p.m.-1:40 p.m.

2 stops47h 15m

C$ 278

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

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?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Denver. Price data was last updated on 6 March 2026.

The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Denver is 82 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, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Denver (average of C$ 297). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Denver in March is currently the most expensive (average of C$ 540). 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 13 March 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.

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 13 March 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Denver, such as United Airlines,WestJet, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,418 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

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
9,418 reviews
United Airlines
7.4
Good
9,418 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

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
3,292 reviews
United Airlines
7.4
Good
9,418 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

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
11,449 reviews
United Airlines
7.4
Good
9,418 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

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
10,800 reviews
United Airlines
7.4
Good
9,418 reviews
Check prices

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Boarding

7.7

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 2 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 4 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 13h 35m. Fly via Delta to get the fastest option. Montreal Pierre Elliott Trudeau Intl Airport and Denver are separated by a distance of 2585 km.

  • 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 45% 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$ 727 for a flight from Montreal Pierre Elliott Trudeau Intl Airport to Denver. The cheapest flight overall is C$ 328 while the most popular route, (Montreal Pierre Elliott Trudeau Intl - Denver Intl) is currently priced at C$ 547.

  • 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, April is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Denver (average of C$ 297). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Denver in March is currently the most expensive (average of C$ 540). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 4 airlines flying from Pierre Elliott Trudeau Intl to Denver

Discover the top 4 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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 368AverageC$ 753FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 397AverageC$ 1,096FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 416AverageC$ 613FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 553AverageC$ 693FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Pierre Elliott Trudeau Intl to Denver?

Cheapflights makes it easy to find Pierre Elliott Trudeau Intl to Denver flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Pierre Elliott Trudeau Intl to Denver.

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

Yes! Cheapflights helps users easily find flights from Pierre Elliott Trudeau Intl to Denver with no change fees.

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

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.