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Cheap flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport from C$ 138

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 406

One-way from

C$ 138

Popular in

November

Cheapest in

May

Average price

C$ 814
WestJet
  • WestJet
  • 8/10-11/10
  • 3 total stops
  • 34h 21m total
  • Colorado to Montreal
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22/10
  • 22/10
  • 2 total stops
  • 14h 41m total
  • Colorado to Montreal
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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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 17 September 2025.

Wed 8/108:00 a.m.DEN - YUL
2 stops14h 27mMultiple Airlines
Sun 12/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Deal found 15/9C$ 406
Sat 11/108:00 a.m.DEN - YUL
2 stops14h 41mMultiple Airlines
Sun 12/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Deal found 15/9C$ 480
Mon 6/1012:15 p.m.DEN - YUL
1 stop23h 55mMultiple Airlines
Wed 8/107:00 a.m.YUL - DEN
2 stops22h 59mMultiple Airlines
Deal found 15/9C$ 486
Sun 12/1012:15 p.m.DEN - YUL
1 stop23h 55mMultiple Airlines
Wed 15/106:45 a.m.YUL - DEN
2 stops27h 30mMultiple Airlines
Deal found 15/9C$ 494
Tue 25/118:45 a.m.DEN - YUL
1 stop10h 15mAir Canada
Thu 27/117:30 a.m.YUL - DEN
1 stop12h 14mAir Canada
Deal found 16/9C$ 495
Mon 6/107:10 p.m.DEN - YUL
1 stop11h 06mUnited Airlines
Tue 7/1011:23 a.m.YUL - DEN
1 stop7h 10mUnited Airlines
Deal found 15/9C$ 506
Mon 13/1012:15 p.m.DEN - YUL
1 stop23h 55mMultiple Airlines
Fri 24/106:45 a.m.YUL - DEN
2 stops23h 14mMultiple Airlines
Deal found 17/9C$ 509
Sun 12/1012:15 p.m.DEN - YUL
1 stop23h 55mMultiple Airlines
Tue 14/107:00 a.m.YUL - DEN
2 stops18h 10mMultiple Airlines
Deal found 15/9C$ 510
Tue 14/1010:55 p.m.DEN - YUL
2 stops47h 32mMultiple Airlines
Tue 21/106:35 p.m.YUL - DEN
1 stop22h 49mMultiple Airlines
Deal found 16/9C$ 514
Fri 31/109:05 a.m.DEN - YUL
1 stop13h 25mMultiple Airlines
Tue 4/115:10 p.m.YUL - DEN
1 stop27h 16mMultiple Airlines
Deal found 15/9C$ 516
Wed 8/108:00 a.m.DEN - YUL
2 stops14h 27mMultiple Airlines
Thu 16/106:45 a.m.YUL - DEN
1 stop18h 31mMultiple Airlines
Deal found 15/9C$ 517
Thu 16/106:00 a.m.DEN - YUL
2 stops40h 41mMultiple Airlines
Thu 23/106:45 a.m.YUL - DEN
1 stop18h 31mMultiple Airlines
Deal found 16/9C$ 519

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 17 September 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

Fri 3/10

12:15 p.m.-12:27 a.m.

2 stops34h 12m

Montreal Pierre Elliott Trudeau Intl

Sat 11/10

5:30 p.m.-11:24 a.m.

1 stop19h 54m

C$ 469

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 2/10

7:07 p.m.-10:40 a.m.

1 stop13h 33m

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

5:00 a.m.-10:04 a.m.

1 stop7h 04m

C$ 548

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 1/10

5:45 a.m.-4:05 p.m.

1 stop8h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

12:36 p.m.-8:15 p.m.

1 stop9h 39m

C$ 553

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 17/10

11:59 p.m.-3:00 p.m.

1 stop13h 01m

Montreal Pierre Elliott Trudeau Intl

Fri 24/10

4:55 p.m.-10:00 p.m.

1 stop7h 05m

C$ 553

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 5/10

11:40 a.m.-11:18 p.m.

1 stop9h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

7:00 a.m.-1:52 p.m.

1 stop8h 52m

C$ 553

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 1/10

7:46 a.m.-4:10 p.m.

1 stop6h 24m

Montreal Pierre Elliott Trudeau Intl

Sat 4/10

3:41 p.m.-9:18 p.m.

1 stop7h 37m

C$ 553

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 11/12

11:15 a.m.-4:58 p.m.

Nonstop3h 43m

Montreal Pierre Elliott Trudeau Intl

Tue 16/12

7:30 a.m.-5:44 p.m.

1 stop12h 14m

C$ 567

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 11/3

8:45 a.m.-9:00 p.m.

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

5:25 p.m.-7:55 p.m.

Nonstop4h 30m

C$ 567

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 21/10

7:46 a.m.-4:10 p.m.

1 stop6h 24m

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

9:15 a.m.-12:17 a.m.

1 stop17h 02m

C$ 574

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 7/11

8:45 a.m.-9:00 p.m.

1 stop10h 15m

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

11:10 a.m.-4:40 p.m.

1 stop7h 30m

C$ 583

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 24 results
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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 17 September 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 17 September 2025.

The most flights from USCO to YUL are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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.

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

    WestJet, Delta, and United Airlines can get you from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in just under 8h 20m. Your travel time can differ by up to 25h 52m. Colorado and Montreal Pierre Elliott Trudeau Intl Airport are separated by a distance of 2585 km. This flight may include one or multiple stops.

  • 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 Brussels Airlines (72%), Air Canada (69%) and United Airlines (69%).

  • 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 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
Dorval
Sherbrooke
Cornwall
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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

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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.

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