Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport from C$ 127

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
17 Jun — 24 Jun1
1 adult

Cheap flight deals from Colorado to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Colorado to Pierre Elliott Trudeau Intl flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 377

One-way from

C$ 127

Popular in

November

Cheapest in

August

Average price

C$ 818

Good round-trip deal

C$ 731 or less

Good one-way deal

C$ 463 or less
WestJet
  • WestJet
  • 15/7-22/7
  • 2 total stops
  • 30h 25m total
  • Colorado to Montreal
WestJet
  • WestJet
  • 13/8
  • 1 total stop
  • 10h 28m total
  • Colorado to Montreal
Highest demand for flights based on searches. 5% potential increase in price (C$ 66 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Colorado to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from Colorado to Montreal Pierre Elliott Trudeau Intl.

Find flight deals from Colorado to Pierre Elliott Trudeau Intl

Cheapest flights from Colorado to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Colorado to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Tue 15/712:15 p.m.DEN - YUL
1 stop10h 28mWestJet
Tue 22/75:30 p.m.YUL - DEN
1 stop19h 57mWestJet
Deal found 12/6C$ 377
Tue 15/712:15 p.m.DEN - YUL
1 stop10h 28mMultiple Airlines
Tue 22/73:10 p.m.YUL - DEN
2 stops14h 50mMultiple Airlines
Deal found 10/6C$ 424
Thu 26/65:40 p.m.DEN - YUL
Nonstop3h 46mAir Canada
Wed 2/73:30 p.m.YUL - DEN
1 stop6h 30mAir Canada
Deal found 11/6C$ 473
Thu 26/66:03 a.m.DEN - YUL
1 stop8h 07mUnited Airlines
Wed 2/73:41 p.m.YUL - DEN
1 stop9h 48mUnited Airlines
Deal found 11/6C$ 511
Mon 22/95:37 p.m.DEN - YUL
1 stop16h 08mAmerican Airlines
Tue 30/95:15 p.m.YUL - DEN
1 stop17h 21mAmerican Airlines
Deal found 12/6C$ 561
Tue 22/712:55 a.m.DEN - YUL
1 stop9h 02mDelta
Wed 30/76:20 a.m.YUL - DEN
1 stop5h 36mDelta
Deal found 10/6C$ 565
Thu 17/72:22 p.m.COS - YUL
1 stop7h 33mDelta
Tue 22/712:46 p.m.YUL - COS
1 stop10h 37mDelta
Deal found 12/6C$ 565
Thu 21/812:02 p.m.COS - YUL
1 stop7h 27mUnited Airlines
Mon 25/84:55 p.m.YUL - COS
2 stops8h 55mUnited Airlines
Deal found 11/6C$ 578
Thu 26/65:40 p.m.DEN - YUL
Nonstop3h 46mLufthansa
Wed 2/78:05 a.m.YUL - DEN
Nonstop4h 16mLufthansa
Deal found 11/6C$ 640
Fri 18/75:00 a.m.COS - YUL
2 stops9h 45mAmerican Airlines
Tue 22/72:35 p.m.YUL - COS
2 stops11h 17mAmerican Airlines
Deal found 12/6C$ 678
Sat 19/77:30 a.m.COS - YUL
2 stops8h 21mAir Canada
Wed 23/74:05 p.m.YUL - COS
1 stop6h 50mAir Canada
Deal found 12/6C$ 692
Fri 4/75:09 p.m.COS - YUL
3 stops37h 53mMultiple Airlines
Mon 7/76:05 p.m.YUL - COS
3 stops29h 39mMultiple Airlines
Deal found 9/6C$ 4,706

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado 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 629,999 searches. Data last updated 12 June 2025.
Use the filters below to find and compare flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Colorado

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 15/7

12:15 p.m.-12:43 a.m.

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Tue 22/7

5:30 p.m.-11:27 a.m.

1 stop19h 57m

C$ 377

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 15/7

12:15 p.m.-12:43 a.m.

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Tue 22/7

3:10 p.m.-4:00 a.m.

2 stops14h 50m

C$ 424

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 26/6

5:40 p.m.-11:26 p.m.

Nonstop3h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 2/7

3:30 p.m.-8:00 p.m.

1 stop6h 30m

C$ 473

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 26/6

6:03 a.m.-4:10 p.m.

1 stop8h 07m

Montreal Pierre Elliott Trudeau Intl

Wed 2/7

3:41 p.m.-11:29 p.m.

1 stop9h 48m

C$ 511

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 22/9

5:37 p.m.-4:30 p.m.

1 stop20h 53m

Montreal Pierre Elliott Trudeau Intl

Tue 30/9

5:15 p.m.-8:36 a.m.

1 stop17h 21m

C$ 561

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 22/7

12:55 a.m.-11:57 a.m.

1 stop9h 02m

Montreal Pierre Elliott Trudeau Intl

Wed 30/7

6:20 a.m.-9:56 a.m.

1 stop5h 36m

C$ 565

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Thu 17/7

2:22 p.m.-11:55 p.m.

1 stop7h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 22/7

12:46 p.m.-9:23 p.m.

1 stop10h 37m

C$ 565

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Thu 21/8

12:02 p.m.-9:29 p.m.

1 stop7h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 25/8

4:55 p.m.-11:50 p.m.

2 stops8h 55m

C$ 578

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 26/6

5:40 p.m.-11:26 p.m.

Nonstop3h 46m

Montreal Pierre Elliott Trudeau Intl

Wed 2/7

8:05 a.m.-10:21 a.m.

Nonstop4h 16m

C$ 640

Colorado SpringsMontreal

COS - YUL

COSYUL

Colorado Springs

Fri 18/7

5:00 a.m.-4:45 p.m.

2 stops9h 45m

Montreal Pierre Elliott Trudeau Intl

Tue 22/7

2:35 p.m.-11:52 p.m.

2 stops11h 17m

C$ 678

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 20 results
1
2

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

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

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

Currently, October is the cheapest month in which you can book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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 CO to YUL?

Find hourly flight availability from Colorado 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 12 June 2025.

When flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Colorado to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Colorado to Pierre Elliott Trudeau Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 June 2025.

The most flights from USCO to YUL are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

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 12 June 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Colorado to Montreal by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Colorado 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 are the cheapest airlines to fly from Colorado to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 127. Users have also found prices from C$ 215 and C$ 242 on Air Canada and American Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport are Jazz (100%), Air Canada (86%) and Brussels Airlines (85%).

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

    The cheapest flight price from Colorado to Montreal Pierre Elliott Trudeau Intl Airport is C$ 284. On average you can expect to pay C$ 642. The most popular route, (Denver Intl - Montreal Pierre Elliott Trudeau Intl), can usually be booked for C$ 401.

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

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

  • How can I find direct flights from Colorado 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 Colorado to Pierre Elliott Trudeau Intl.

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

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

    Currently, October is the cheapest month in which you can book a flight from Colorado to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 316). 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 Colorado?

Book flights to Colorado if you plan to visit one of these locations
Laval
Longueuil
Cornwall
Dorval
Brossard
Montebello
Drummondville
Trois-Rivières
Sherbrooke
Saint-Jean-sur-Richelieu
Boucherville
Saint-Sauveur
Bromont

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 Colorado to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Colorado to Pierre Elliott Trudeau Intl

Discover the top airline that operate flights from Colorado 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 339AverageC$ 904FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Colorado to Pierre Elliott Trudeau Intl?

Cheapflights helps you search for flights from Colorado to Pierre Elliott Trudeau Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Colorado to Pierre Elliott Trudeau Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to Pierre Elliott Trudeau Intl from Colorado? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Pierre Elliott Trudeau Intl from Colorado today and book when prices fit your budget.

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.