Cheap Flights from Montreal (YUL) to Denver (DEN)

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Find the cheapest month to fly from Montreal (YUL) to Denver (DEN)

September is typically the cheapest month to fly

From $239 - $477 per traveler.

Graph displaying average flight prices per month

Flights from Montreal (YUL) to Denver (DEN)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Denver Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$284
Distance
1607 mi
Average flight time
2 hours 15 mins

Montreal to Denver Flights

The cheapest times to fly from Montreal to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to Denver are during the month of . You can find some of the cheapest flights from Montreal to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to Denver

Sunday is one of the best days to book for cheap flights from Montreal to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Montreal to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN) cost?
Cheap return fares from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN) start from $385. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Canada flight leaving YUL on July 24 2025 and touching down at DEN. The price was last updated on July 3 2025 and has not changed since.
What is the cheapest month to fly from YUL to DEN?
The cheapest flights from YUL to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN)?
When departing from Pierre Elliott Trudeau Intl. Airport (YUL), you can get on a direct flight to Denver Intl. Airport (DEN) with Air Canada.
What is the cheapest airline that flies from YUL to DEN?
Currently, the cheapest airline operating one-way flights from YUL to DEN is Air Canada. You can book a seat on this route from $211. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YUL on September 3 2025. Prices were last updated on July 3 2025 and have not changed since.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN)?
On average, only 1 nonstop flight departs daily from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN). Want additional options? Use Expedia's filter tool to discover flights with layovers and explore a new city along the way.
What are the most popular departure times for flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN)?
Flights between YUL and DEN are their busiest at 8 AM. For a more relaxed atmosphere and potentially cheaper prices, choose a time outside the usual busy windows.
What day of the week has the most flights from YUL to DEN?
If you depart on a Friday, you'll get the greatest range of choices for flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN).
What is the earliest flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN)?
Take the earliest flight at around 8:05AM UTC-5, leaving from Pierre Elliott Trudeau Intl. Airport (YUL). You'll be traveling for around 4h 30m, arriving at Denver Intl. Airport (DEN) at approximately 10:35AM UTC-7.
How long does it take to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN)?
It takes roughly 4 hours and 29 minutes to cover the 1,600 mi from YUL to DEN.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN)?
To land at Denver Intl. Airport (DEN) on time, pick a flight that leaves Pierre Elliott Trudeau Intl. Airport (YUL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Denver from Pierre Elliott Trudeau Intl. Airport (YUL)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from Pierre Elliott Trudeau Intl. Airport (YUL). Compare the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN) last-minute?
Last-minute bookings from YUL to DEN are generally more expensive. For the cheapest rates, start looking for flights well ahead of time. That said, if you can play around with your travel dates, you may land a cheap ticket just before your departure.
Is it cheaper to book a YUL to DEN flight and hotel package?
Compared with arranging hotels and flights separately, booking a YUL to DEN flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Denver Intl. Airport (DEN)?
If you booked your YUL to DEN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.