$123 Cheap Flights from Denver (DEN) to Montreal (YUL)

View $123 flight on Mon, Sep 1, 2025Opens in a new window

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

  • 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 available prices by choosing your travel dates.

Cheap Flights from Denver to Montreal (DEN-YUL)

Prices were available within the past 7 days and start at $123 for one-way flights and $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Wed, Aug 6 - Sun, Aug 10
DEN
Denver
YUL
Montreal
$325 Roundtrip, found 3 days ago
$325
Roundtrip
found 3 days ago
Select WestJet flight, departing Wed, Aug 6 from Denver to Montreal, returning Sun, Aug 10, priced at $325 found 3 days ago
WestJet
Sun, Jun 22 - Thu, Jul 10
DEN
Denver
YUL
Montreal
$347 Roundtrip, found 3 days ago
$347
Roundtrip
found 3 days ago
Select WestJet flight, departing Sun, Jun 22 from Denver to Montreal, returning Thu, Jul 10, priced at $347 found 3 days ago
WestJet
Tue, May 20 - Wed, May 28
DEN
Denver
YUL
Montreal
$347 Roundtrip, found 2 days ago
$347
Roundtrip
found 2 days ago
Select WestJet flight, departing Tue, May 20 from Denver to Montreal, returning Wed, May 28, priced at $347 found 2 days ago
United
Fri, Aug 22 - Fri, Aug 29
DEN
Denver
YUL
Montreal
$350 Roundtrip, found 4 days ago
$350
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 22 from Denver to Montreal, returning Fri, Aug 29, priced at $350 found 4 days ago
WestJet
Thu, Jul 17 - Sat, Aug 2
DEN
Denver
YUL
Montreal
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select WestJet flight, departing Thu, Jul 17 from Denver to Montreal, returning Sat, Aug 2, priced at $352 found 1 day ago
WestJet
Tue, May 20 - Fri, Jun 6
DEN
Denver
YUL
Montreal
$358 Roundtrip, found 2 days ago
$358
Roundtrip
found 2 days ago
Select WestJet flight, departing Tue, May 20 from Denver to Montreal, returning Fri, Jun 6, priced at $358 found 2 days ago
WestJet
Tue, Jul 1 - Tue, Jul 8
DEN
Denver
YUL
Montreal
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select WestJet flight, departing Tue, Jul 1 from Denver to Montreal, returning Tue, Jul 8, priced at $359 found 2 days ago
Air Canada
Sat, Jun 14 - Wed, Jun 18
DEN
Denver
YUL
Montreal
$371 Roundtrip, found 4 days ago
$371
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sat, Jun 14 from Denver to Montreal, returning Wed, Jun 18, priced at $371 found 4 days ago
American Airlines
Sat, Jun 14 - Wed, Jun 18
DEN
Denver
YUL
Montreal
$376 Roundtrip, found 4 days ago
$376
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Jun 14 from Denver to Montreal, returning Wed, Jun 18, priced at $376 found 4 days ago
Delta
Fri, Aug 22 - Fri, Aug 29
DEN
Denver
YUL
Montreal
$392 Roundtrip, found 4 days ago
$392
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Aug 22 from Denver to Montreal, returning Fri, Aug 29, priced at $392 found 4 days ago
Flights from Denver (DEN) to Montreal (YUL)
Origin airport
Denver Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$325
Distance
1607 mi

Denver to Montreal Flights

The cheapest times to fly from Denver to Montreal

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 Denver to Montreal are during the month of August. You can find some of the cheapest flights from Denver to Montreal with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Denver to Montreal

Sunday is one of the best days to book for cheap flights from Denver to Montreal: 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 Denver to Montreal

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 Denver to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $123 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 Denver to Montreal 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 Denver to Montreal 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 Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Cheap round-trip flights from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL) start from $364. 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 United and Air Canada flight leaving DEN on May 9 2025 and touching down at YUL. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to YUL?
The cheapest flights from DEN to YUL 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 Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you’re departing from Denver Intl. Airport (DEN), you can hop on a direct flight to Pierre Elliott Trudeau Intl. Airport (YUL) with Air Canada.
What is the cheapest airline that flies from DEN to YUL?
With fares starting at $173 for a one-way flight from DEN to YUL, Air Canada is currently the cheapest airline for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on July 19 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL)?
On average, just 1 nonstop flight departs daily from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL). Seeking more options? Use our filter tool to discover flights with layovers and add an extra destination to your journey.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The 11 AM departures from DEN to YUL see the highest demand. Prices can be higher for these popular slots. If you’re hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from DEN to YUL?
Depart on a Monday if you’re looking for the best selection of flights from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL).
What is the earliest flight from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The first flight of the day out of Denver Intl. Airport (DEN) is at around 11:25AM UTC-7. Catch this flight and you’ll touch down at Pierre Elliott Trudeau Intl. Airport (YUL) at approximately 5:08PM UTC-5. The total travel time is 3h 43m.
How long does it take to fly from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Flights from DEN to YUL have an average travel time of 3 hours and 41 minutes. The total distance between the two airports is 1,600 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**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 Montreal from Denver Intl. Airport (DEN)?
Check out your flight options from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL). This is the only Montreal airport you can arrive at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Holding off until just before your trip to book your flight from DEN to YUL generally means paying more. While you may find some last-minute discounts, they’re not always guaranteed. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a DEN to YUL flight and hotel package?
You’ll typically save money by booking a DEN to YUL flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one place. After choosing your ideal accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you reserved your DEN to YUL flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.