Cheap flights from Colorado to Montreal Pierre Elliott Trudeau Intl Airport from C$ 144

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YUL
14 Oct — 21 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 14 September 2025.

Round-trip from

C$ 406

One-way from

C$ 144

Popular in

November

Cheapest in

May

Average price

C$ 819
WestJet
  • WestJet
  • 8/10-11/10
  • 3 total stops
  • 34h 21m total
  • Colorado to Montreal
18/10
  • 18/10
  • 2 total stops
  • 10h 27m total
  • Colorado to Montreal
Highest demand for flights based on searches. 5% potential increase in price (C$ 60 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 14 September 2025.

Wed 8/108:00 a.m.DEN - YUL
2 stops14h 27mMultiple Airlines
Sat 11/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Deal found 14/9C$ 406
Sun 5/108:59 p.m.DEN - YUL
2 stops25h 28mMultiple Airlines
Sat 11/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Deal found 14/9C$ 426
Sun 19/1011:15 a.m.DEN - YUL
Nonstop3h 45mAir Canada
Sat 25/105:25 p.m.YUL - DEN
Nonstop4h 13mAir Canada
Deal found 13/9C$ 460
Sat 18/1012:00 p.m.DEN - YUL
2 stops10h 27mMultiple Airlines
Sat 25/106:45 a.m.YUL - DEN
1 stop27h 30mMultiple Airlines
Deal found 13/9C$ 461
Mon 6/1012:36 a.m.DEN - YUL
2 stops16h 44mMultiple Airlines
Sat 11/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Deal found 14/9C$ 469
Sun 19/1011:15 a.m.DEN - YUL
Nonstop3h 45mAir Canada
Mon 27/105:25 p.m.YUL - DEN
Nonstop4h 30mAir Canada
Deal found 14/9C$ 475
Mon 29/912:15 p.m.DEN - YUL
2 stops34h 12mWestJet
Sun 5/106:45 a.m.YUL - DEN
2 stops30h 39mWestJet
Deal found 14/9C$ 479
Mon 6/1012:15 p.m.DEN - YUL
1 stop23h 55mMultiple Airlines
Sat 11/105:30 p.m.YUL - DEN
1 stop19h 54mMultiple Airlines
Deal found 14/9C$ 490
Mon 6/1012:15 p.m.DEN - YUL
1 stop23h 55mMultiple Airlines
Wed 15/106:45 a.m.YUL - DEN
2 stops18h 31mMultiple Airlines
Deal found 14/9C$ 491
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 14/9C$ 505
Thu 30/101:16 p.m.COS - YUL
1 stop8h 32mDelta
Thu 6/117:00 a.m.YUL - COS
1 stop7h 11mDelta
Deal found 14/9C$ 598
Thu 30/106:00 a.m.COS - YUL
2 stops7h 57mUnited Airlines
Thu 6/115:25 p.m.YUL - COS
1 stop6h 34mUnited Airlines
Deal found 14/9C$ 610

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 14 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

Sat 18/10

12:00 p.m.-12:27 a.m.

2 stops10h 27m

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

6:45 a.m.-8:15 a.m.

1 stop27h 30m

C$ 461

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 18/10

11:15 a.m.-5:00 p.m.

Nonstop3h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 22/10

7:30 a.m.-5:18 p.m.

1 stop11h 48m

C$ 529

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 5/10

7:48 a.m.-5:26 p.m.

1 stop7h 38m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

3:41 p.m.-11:15 p.m.

1 stop9h 34m

C$ 551

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 6/10

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

1 stop13h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

3:41 p.m.-11:15 p.m.

1 stop9h 34m

C$ 551

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 4/10

8:01 a.m.-7:45 p.m.

1 stop9h 44m

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

3:41 p.m.-11:15 p.m.

1 stop9h 34m

C$ 551

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 6/10

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

1 stop13h 01m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

9:45 a.m.-2:42 p.m.

1 stop6h 57m

C$ 551

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 25/10

8:40 a.m.-8:50 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

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

1 stop12h 14m

C$ 556

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 29/9

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

2 stops34h 12m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

6:45 a.m.-11:24 a.m.

2 stops30h 39m

C$ 558

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 19/10

6:00 a.m.-10:06 p.m.

1 stop14h 06m

Montreal Pierre Elliott Trudeau Intl

Thu 30/10

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

1 stop12h 14m

C$ 563

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Fri 14/11

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

Nonstop3h 43m

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

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

Nonstop4h 30m

C$ 563

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 30 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$ 317). 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 14 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 14 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?

    Air Canada, United Airlines, and Delta can get you from Colorado to Montreal Pierre Elliott Trudeau Intl Airport in just under 3h 45m. Your travel time can differ by up to 4h 47m. 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 (66%), Air Canada (64%) and United Airlines (64%).

  • 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$ 317). 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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Alternative routes for Colorado to Pierre Elliott Trudeau Intl

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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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