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Pierre Elliott Trudeau Intl

$166+ Cheap flights from Denver (DEN) to Pierre Elliott Trudeau Intl (YUL)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Montreal Pierre Elliott Trudeau Intl are usually found in January or May, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Find flight deals from Denver to Pierre Elliott Trudeau Intl

Cheapest flights from Denver to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Denver to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:00 pmDEN - YUL
2 stops17h 23mMultiple Airlines
Tue 12/95:10 pmYUL - DEN
1 stop27h 59mMultiple Airlines
Deal found 10/15$380
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
Mon 12/86:45 amYUL - DEN
2 stops13h 23mMultiple Airlines
Deal found 10/15$396
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:07 pmDEN - YUL
2 stops21h 03mMultiple Airlines
Sun 11/24:35 pmYUL - DEN
1 stop17h 40mMultiple Airlines
Deal found 10/15$454
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:08 pmDEN - YUL
2 stops28h 12mMultiple Airlines
Sun 11/164:35 pmYUL - DEN
1 stop17h 40mMultiple Airlines
Deal found 10/15$459
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/264:26 pmDEN - YUL
1 stop21h 59mMultiple Airlines
Mon 12/17:30 pmYUL - DEN
2 stops34h 28mMultiple Airlines
Deal found 10/14$461
This Air Canada deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:15 amDEN - YUL
Nonstop3h 43mAir Canada
Tue 11/115:25 pmYUL - DEN
Nonstop4h 30mAir Canada
Deal found 10/15$465
This Air Canada deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:15 amDEN - YUL
Nonstop3h 43mAir Canada
Wed 11/199:00 amYUL - DEN
1 stop10h 44mAir Canada
Deal found 10/14$470
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:04 amDEN - YUL
2 stops11h 39mMultiple Airlines
Sun 11/164:35 pmYUL - DEN
1 stop17h 40mMultiple Airlines
Deal found 10/13$477
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/269:10 amDEN - YUL
1 stop13h 20mMultiple Airlines
Sun 11/24:35 pmYUL - DEN
2 stops23h 41mMultiple Airlines
Deal found 10/15$482

Cheap flight deals from Denver to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Pierre Elliott Trudeau Intl (YUL). 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(American Airlines)

One-way from

$166
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$598

Good round-trip deal

$577 or less

Good one-way deal

$504 or less
Provider with most accurate pricing for Denver Intl-Montreal Pierre Elliott Trudeau Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Montreal Pierre Elliott Trudeau Intl flights.
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From Denver Intl to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Denver Intl to Montreal Pierre Elliott Trudeau Intl
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Denver Intl to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Denver Intl to Montreal Pierre Elliott Trudeau Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Pierre Elliott Trudeau Intl 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 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Denver to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Denver

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 12/4

9:00 pm-4:23 pm

2 stops17h 23m

Montreal Pierre Elliott Trudeau Intl

Tue 12/9

5:10 pm-7:09 pm

1 stop27h 59m

$380

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 12/5

11:59 pm-12:30 am

1 stop22h 31m

Montreal Pierre Elliott Trudeau Intl

Mon 12/8

6:45 am-6:08 pm

2 stops13h 23m

$396

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 1/10

6:00 am-6:40 pm

1 stop10h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 1/18

6:00 am-3:52 pm

1 stop11h 52m

$461

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 11/13

5:20 am-11:42 pm

2 stops16h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

7:35 pm-9:59 am

1 stop16h 24m

$489

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 11/14

5:40 pm-8:36 am

1 stop12h 56m

Montreal Pierre Elliott Trudeau Intl

Tue 11/18

7:10 am-10:28 pm

2 stops17h 18m

$489

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 11/27

11:15 am-4:58 pm

Nonstop3h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

5:25 pm-7:55 pm

Nonstop4h 30m

$527

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 10/28

8:41 pm-11:40 am

1 stop12h 59m

Montreal Pierre Elliott Trudeau Intl

Thu 10/30

5:10 pm-2:16 pm

2 stops23h 06m

$532

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 11/13

11:23 am-8:36 am

1 stop19h 13m

Montreal Pierre Elliott Trudeau Intl

Tue 11/18

9:26 am-8:43 pm

1 stop13h 17m

$541

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 11/15

4:22 pm-11:42 pm

1 stop5h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 11/18

9:26 am-8:43 pm

1 stop13h 17m

$558

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 10/28

12:59 am-4:55 pm

3 stops37h 56m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 15 results
1
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Compare providers for flights from Denver to Pierre Elliott Trudeau Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Pierre Elliott Trudeau Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Pierre Elliott Trudeau Intl. Price data was last updated on October 10, 2025.

The best time to book flights from Denver to Montreal Pierre Elliott Trudeau Intl Airport 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 Denver to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Denver to Montreal Pierre Elliott Trudeau Intl Airport (average of $109). Flying from Denver to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of $345). 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 DEN to YUL?

Find hourly flight availability from Denver to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

It’s typically best to fly out from Denver to Montreal Pierre Elliott Trudeau Intl Airport at noon. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

The best insider tips for Denver to Montreal Pierre Elliott Trudeau Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Montreal Pierre Elliott Trudeau Intl Airport trip
Airports
DEN

Reserve a time for security at DEN online to avoid long lines. It's available for general screening, not TSA PreCheck or CLEAR.

Read more about DENby Emily Zemler
YUL

Use the ArriveCAN app to fill out your arrival declaration card on the plane, avoiding lines at passport control kiosks.

Read more about YULby John Walton
Our travel experts
John Walton

John Walton

Expert on YUL

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated October 16, 2025.
Read through reviews of airlines operating flights from Denver to Montreal Pierre Elliott Trudeau Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,043 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
WestJet
7.2
Good
3,127 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,306 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

    Most people fly from Denver Intl (DEN) if they book a flight from Denver to Montreal Pierre Elliott Trudeau Intl. On average, Denver Intl has 3 outbound flights to Montreal Pierre Elliott Trudeau Intl per day from 5 airlines. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

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

    A quick flight from Denver to Montreal Pierre Elliott Trudeau Intl Airport can take about 10h 40m. United Airlines provides one of the quickest options available for as low as $461. The distance from Denver to Montreal Pierre Elliott Trudeau Intl Airport is about 1606 mi. This flight may include one or multiple stops.

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

    Flying on WestJet is currently your cheapest option to Montreal Pierre Elliott Trudeau Intl Airport, with prices starting at $109. Additional round-trip tickets that might be worth considering are offered by Delta and Air Canada, with the lowest prices starting at $211 and $223, respectively. You may be able to fly from Denver to Montreal Pierre Elliott Trudeau Intl Airport for 80% less than the average price by searching for these airlines.

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

    Consider Brussels Airlines (77%), Air Canada (66%) or United Airlines (66%) when booking your flight. These represent the most reliable airlines when flying from Denver to Montreal Pierre Elliott Trudeau Intl Airport.

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

    Looking at all options, your cheapest flight can be booked for $303. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $345 on average, our data indicates $1,200 when flying from Denver to Montreal Pierre Elliott Trudeau Intl Airport.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Denver to Montreal Pierre Elliott Trudeau Intl Airport (average of $109). Flying from Denver to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of $345). 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

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Sherbrooke
Dorval

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Alternative routes for Denver to Pierre Elliott Trudeau Intl

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

Top 5 airlines flying from Denver to Pierre Elliott Trudeau Intl

Discover the top 5 airlines that operate flights from Denver to Pierre Elliott Trudeau Intl. 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 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$109Average$425FlexibilityNo cancel feeOn-time60%
DeltaCheapest$211Average$525FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$223Average$543FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$279Average$659FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$452Average$595FlexibilityNo cancel feeOn-time71%

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