HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Montreal

$138+ Cheap flights from Colorado to Montreal (YMQ)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YMQ
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colorado to Montreal with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Colorado to Montreal

Cheapest flights from Colorado to Montreal
Explore the most affordable flight options available from Colorado to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/244:25 pmDEN - YUL
1 stop22h 00mMultiple Airlines
jue. 1/111:25 amYUL - DEN
2 stops23h 31mMultiple Airlines
Deal found 12/15$655
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:05 amDEN - YUL
2 stops40h 25mMultiple Airlines
dom. 1/44:35 pmYUL - DEN
1 stop32h 29mMultiple Airlines
Deal found 12/15$669
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2411:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
mar. 12/306:45 amYUL - DEN
2 stops11h 01mMultiple Airlines
Deal found 12/14$740
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2910:54 amDEN - YUL
1 stop11h 05mDelta
dom. 1/46:15 pmYUL - DEN
1 stop7h 52mDelta
Deal found 12/15$748
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2211:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
mar. 12/306:45 amYUL - DEN
2 stops11h 01mMultiple Airlines
Deal found 12/14$750
This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2511:59 pmDEN - YUL
1 stop22h 31mMultiple Airlines
mar. 12/306:45 amYUL - DEN
2 stops11h 01mMultiple Airlines
Deal found 12/14$763
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/226:05 amDEN - YUL
2 stops16h 25mMultiple Airlines
jue. 12/252:40 pmYUL - DEN
1 stop7h 28mMultiple Airlines
Deal found 12/15$768
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2111:59 pmDEN - YUL
2 stops22h 31mMultiple Airlines
jue. 12/255:10 pmYUL - DEN
1 stop27h 59mMultiple Airlines
Deal found 12/15$792
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/258:05 amDEN - YUL
1 stop11h 11mUnited Airlines
lun. 12/295:25 pmYUL - DEN
Nonstop4h 30mUnited Airlines
Deal found 12/14$798
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/289:24 amDEN - YUL
1 stop13h 06mMultiple Airlines
dom. 1/44:35 pmYUL - DEN
1 stop32h 29mMultiple Airlines
Deal found 12/15$800
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/226:05 amDEN - YUL
2 stops16h 25mMultiple Airlines
sáb. 12/276:45 pmYUL - DEN
1 stop17h 45mMultiple Airlines
Deal found 12/15$813

Find flight deals from Colorado to Montreal

Keep the following information in mind while searching for Colorado to Montreal flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$389
(FlightHub)

One-way from

$138
(Kiwi.com)

Popular in

February

Cheapest in

May

Average price

$610

Good round-trip deal

$540 or less

Good one-way deal

$394 or less
Provider with most accurate pricing for Denver Intl-Montreal (YMQ) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Montreal (YMQ) flights.
Search Deals
From Colorado to Montreal (YMQ)
Search Deals
One-way flight from Colorado to Montreal (YMQ)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Montreal (YMQ).
Search Deals
Price to beat on a one-way flight from Colorado to Montreal (YMQ).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Montreal 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 2,558,603 searches. Data last updated diciembre 16, 2025.
Use the filters below to find and compare flights from Colorado to Montreal that are best for you.

Fly from

Colorado

Fly to

Montreal

Route

Depart

Return

Price

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

dom. 5/10

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

dom. 5/17

6:45 am-11:25 am

1 stop30h 40m

$423

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

lun. 5/4

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

sáb. 5/16

5:30 pm-11:25 am

1 stop19h 55m

$434

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

vie. 5/8

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

sáb. 5/16

5:30 pm-11:25 am

1 stop19h 55m

$434

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

dom. 5/10

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

sáb. 5/16

5:30 pm-11:25 am

1 stop19h 55m

$434

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

mié. 1/7

5:45 pm-8:44 am

1 stop12h 59m

Montreal Pierre Elliott Trudeau Intl

mar. 1/13

9:34 am-8:44 pm

1 stop13h 10m

$482

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

mié. 5/6

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

mar. 5/12

6:45 am-11:51 pm

2 stops19h 06m

$490

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

lun. 5/4

12:15 pm-12:42 am

1 stop10h 27m

Montreal Pierre Elliott Trudeau Intl

jue. 5/14

6:45 am-7:03 pm

2 stops14h 18m

$490

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

mié. 1/7

7:10 am-8:44 am

1 stop23h 34m

Montreal Pierre Elliott Trudeau Intl

lun. 1/12

2:45 pm-10:57 am

2 stops22h 12m

$492

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

mié. 1/7

5:45 pm-8:44 am

1 stop12h 59m

Montreal Pierre Elliott Trudeau Intl

sáb. 1/10

2:25 pm-10:25 am

1 stop22h 00m

$502

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

mar. 1/6

7:10 am-8:44 am

1 stop23h 34m

Montreal Pierre Elliott Trudeau Intl

vie. 1/9

7:30 pm-11:47 am

1 stop18h 17m

$502

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 25 results
1
2
3

Best time to book a flight from Colorado to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal 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

What is the cheapest month to book a flight from Colorado to Montreal?

Currently, August is the cheapest month in which you can book a flight from Colorado to Montreal (average of $109). Flying from Colorado to Montreal in December is currently the most expensive (average of $353). 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 YMQ?

Find hourly flight availability from Colorado to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Colorado to Montreal at noon. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Colorado to Montreal

Explore weekly flight availability from Colorado to Montreal. 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 diciembre 16, 2025.

The most flights from USCO to YMQ 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 Montreal. 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?

    A quick flight from Colorado to Montreal can take about 10h 27m. WestJet provides one of the quickest options available for as low as $423. There are 1606 mi between Colorado and Montreal. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Colorado to Montreal one-way?

    One-way options have recently been found by users for as low as $168 on Air Canada. Other airlines that offer cheap prices include American Airlines from $213 and United Airlines from $213 one-way.

  • What are the most reliable airlines from Colorado to Montreal?

    Consider Air Canada (76%), Brussels Airlines (73%) or United Airlines (73%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Montreal.

  • What are the cheapest flights from Colorado to Montreal?

    Looking at all options, your cheapest flight can be booked for $268. While the most popular route (Denver Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $370 on average, our data indicates $1,296 when flying from Colorado to Montreal.

  • Can I find deals for flights from Colorado to Montreal that include hotel bookings?

    Yes. In addition to deals on Colorado to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Montreal.

  • Can I find deals for business class flights from Colorado to Montreal?

    Yes. Cheapflights offers flight deals from Colorado to Montreal 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?

    Currently, August is the cheapest month in which you can book a flight from Colorado to Montreal (average of $109). Flying from Colorado to Montreal in December is currently the most expensive (average of $353). 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

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 Montreal

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Boston to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Newark to Québec City flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Québec City flights
San Francisco to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
LaGuardia to Québec City flights
Orlando to Pierre Elliott Trudeau Intl flights
Midway to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Nashville to Pierre Elliott Trudeau Intl flights
Newark to Ottawa flights
Seattle to Pierre Elliott Trudeau Intl flights
Raleigh to Pierre Elliott Trudeau Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Québec City flights
Charlotte to Pierre Elliott Trudeau Intl flights
Dulles Intl to Ottawa flights
Boston to Québec City flights
Dulles Intl to Québec City flights
Fort Lauderdale to Québec City flights
Philadelphia to Québec City flights
Reagan-National to Ottawa flights
Tampa to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Ottawa flights
John F Kennedy Intl to Ottawa flights
Orlando to Québec City flights
San Diego to Pierre Elliott Trudeau Intl flights
Las Vegas to Pierre Elliott Trudeau Intl flights
Orlando to Ottawa flights
Seattle to Québec City flights
Reagan-National to Québec City flights
LaGuardia to Ottawa flights
Sky Harbor Intl to Pierre Elliott Trudeau Intl flights
Love Field to Pierre Elliott Trudeau Intl flights
Miami to Québec City flights

Top 5 airlines flying from Colorado to Montreal

Discover the top 5 airlines that operate flights from Colorado to Montreal. 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 2,558,603 searches. Data last updated diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$109Average$315FlexibilityNo cancel feeOn-time60%
DeltaCheapest$211Average$535FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$223Average$546FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$277Average$596FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$485Average$615FlexibilityNo cancel feeOn-time71%

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.