What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Colorado?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Montreal Pierre Elliott Trudeau Intl to Colorado

How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado?

As of March 2026, there are 2 operators available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado.

How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Colorado?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$159 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado in 2026

Q: How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to Colorado on average per day?

1 flights are operational daily from Montreal Pierre Elliott Trudeau Intl Airport to Colorado as of March 2026. The most popular departure time for this route is 5:00PM, with 100% of flights per day taking off in the afternoon.

Q: How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to Colorado on average per week?

12 flights are operational weekly from Montreal Pierre Elliott Trudeau Intl Airport to Colorado as of March 2026. The most popular departure day for this route is Wed, with 25% of flights per week taking off on this day.

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:55 pm - 8:20 pm

YUL

COS

9h 25m

2 stops

7:59 am - 11:26 pm

COS

YUL

13h 27m

2 stops

$393Delta

Tue, Apr 14 - Sat, Apr 18

12:42 pm - 8:20 pm

YUL

COS

9h 38m

1 stop

7:59 am - 11:26 pm

COS

YUL

13h 27m

2 stops

$394Delta

Tue, Apr 14 - Sat, Apr 18

12:55 pm - 8:20 pm

YUL

COS

9h 25m

2 stops

7:59 am - 11:26 pm

COS

YUL

13h 27m

2 stops

$396Delta

Tue, Apr 14 - Sat, Apr 18

9:30 am - 8:20 pm

YUL

COS

12h 50m

2 stops

7:59 am - 11:26 pm

COS

YUL

13h 27m

2 stops

$397Delta

Tue, Apr 14 - Sat, Apr 18

8:00 am - 11:52 am

YUL

DEN

29h 52m

2 stops

9:25 am - 12:30 am

DEN

YUL

13h 05m

1 stop

$412Multiple Airlines

Sun, Apr 19 - Thu, Apr 23

4:35 pm - 10:59 pm

YUL

DEN

32h 24m

1 stop

4:36 pm - 5:15 pm

DEN

YUL

22h 39m

2 stops

$430Multiple Airlines

Tue, Apr 21 - Sat, May 2

12:30 pm - 11:59 pm

YUL

DEN

13h 29m

1 stop

7:00 am - 10:58 pm

DEN

YUL

13h 58m

1 stop

$439American Airlines

Wed, Apr 22 - Wed, Apr 29

6:10 am - 10:57 am

YUL

COS

6h 47m

1 stop

7:00 am - 4:52 pm

COS

YUL

7h 52m

1 stop

$446United Airlines

Tue, Apr 14 - Sat, Apr 18

6:10 am - 10:57 am

YUL

COS

6h 47m

1 stop

6:00 am - 4:52 pm

COS

YUL

8h 52m

1 stop

$448United Airlines

Tue, Apr 14 - Sat, Apr 18

1:03 pm - 11:59 pm

YUL

DEN

12h 56m

2 stops

6:30 pm - 2:44 pm

DEN

YUL

18h 14m

1 stop

$449American Airlines

Tue, May 5 - Wed, May 6

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Colorado flight tickets

United Airlines

Apr 14

YUL6:10 amMontreal Pierre Elliott Trudeau Intl

6h 47m

1 stop

COS10:57 amColorado Springs

Apr 18

COS7:00 amColorado Springs

7h 52m

1 stop

YUL4:52 pmMontreal Pierre Elliott Trudeau Intl

$446

United Airlines

Apr 14

YUL6:10 amMontreal Pierre Elliott Trudeau Intl

6h 47m

1 stop

COS10:57 amColorado Springs

Apr 18

COS6:00 amColorado Springs

8h 52m

1 stop

YUL4:52 pmMontreal Pierre Elliott Trudeau Intl

$448

United Airlines

May 6

YUL2:20 pmMontreal Pierre Elliott Trudeau Intl

11h 39m

2 stops

COS11:59 pmColorado Springs

May 10

COS6:00 amColorado Springs

13h 26m

2 stops

YUL9:26 pmMontreal Pierre Elliott Trudeau Intl

$452

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Colorado flight tickets

Delta

Apr 14

YUL12:42 pmMontreal Pierre Elliott Trudeau Intl

9h 38m

1 stop

COS8:20 pmColorado Springs

Apr 18

COS7:59 amColorado Springs

13h 27m

2 stops

YUL11:26 pmMontreal Pierre Elliott Trudeau Intl

$393

Delta

Apr 14

YUL12:42 pmMontreal Pierre Elliott Trudeau Intl

9h 38m

1 stop

COS8:20 pmColorado Springs

Apr 18

COS7:59 amColorado Springs

13h 27m

2 stops

YUL11:26 pmMontreal Pierre Elliott Trudeau Intl

$394

Delta

Apr 14

YUL12:42 pmMontreal Pierre Elliott Trudeau Intl

9h 38m

1 stop

COS8:20 pmColorado Springs

Apr 18

COS7:59 amColorado Springs

13h 27m

2 stops

YUL11:26 pmMontreal Pierre Elliott Trudeau Intl

$396

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

12:55 pm-8:20 pm

2 stops9h 25m

Colorado Springs

Sat 4/18

7:59 am-11:26 pm

2 stops13h 27m

$393

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

12:42 pm-8:20 pm

1 stop9h 38m

Colorado Springs

Sat 4/18

7:59 am-11:26 pm

2 stops13h 27m

$394

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

12:55 pm-8:20 pm

2 stops9h 25m

Colorado Springs

Sat 4/18

7:59 am-11:26 pm

2 stops13h 27m

$396

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

9:30 am-8:20 pm

2 stops12h 50m

Colorado Springs

Sat 4/18

7:59 am-11:26 pm

2 stops13h 27m

$397

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Sun 4/19

8:00 am-11:52 am

2 stops29h 52m

Denver Intl

Thu 4/23

9:25 am-12:30 am

1 stop13h 05m

$412

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 4/21

4:35 pm-10:59 pm

1 stop32h 24m

Denver Intl

Sat 5/2

4:36 pm-5:15 pm

2 stops22h 39m

$430

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 4/22

12:30 pm-11:59 pm

1 stop13h 29m

Denver Intl

Wed 4/29

7:00 am-10:58 pm

1 stop13h 58m

$439

Quickest round-trip

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

6:10 am-10:57 am

1 stop6h 47m

Colorado Springs

Sat 4/18

7:00 am-4:52 pm

1 stop7h 52m

$446

MontrealColorado Springs

YUL - COS

YULCOS

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

6:10 am-10:57 am

1 stop6h 47m

Colorado Springs

Sat 4/18

6:00 am-4:52 pm

1 stop8h 52m

$448

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

1:03 pm-11:59 pm

2 stops12h 56m

Denver Intl

Wed 5/6

6:30 pm-2:44 pm

1 stop18h 14m

$449

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Colorado?

The month of August is, on average, the cheapest month to fly to Colorado from Montreal Pierre Elliott Trudeau Intl Airport, with most prices found around $411. The month of May is another great option to travel to Colorado, with average flight prices from Montreal Pierre Elliott Trudeau Intl Airport averaging around $430.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Montreal Pierre Elliott Trudeau Intl Airport to Colorado is on a Wednesday when prices can be found for as low as $466. On the other hand, Saturday is the most expensive day to depart from Montreal Pierre Elliott Trudeau Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $703.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the morning when flights can be purchased for as low as $484. In the afternoon is when there is more demand to fly to Colorado, so prices are often more expensive at around $622 per ticket.

What is the cheapest Montreal Pierre Elliott Trudeau Intl to Colorado flight route?

Fly from Montreal Pierre Elliott Trudeau Intl to Denver Intl for the best Montreal Pierre Elliott Trudeau Intl - Colorado flight prices

How far in advance should I book a flight to Colorado?

You are more likely to see cheaper flights to Colorado from Montreal Pierre Elliott Trudeau Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $497 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Montreal Pierre Elliott Trudeau Intl Airport for as low as $382 on momondo.

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to Colorado flights?

There are 4 cabin classes available to choose from on Montreal Pierre Elliott Trudeau Intl to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to Colorado flights?

You could potentially save up to 23% on your flight if you consider stops on a Montreal Pierre Elliott Trudeau Intl Airport to Colorado flight.

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Best Price Found	$294
Fastest flight time	4h 18m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is $294. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Colorado found on momondo in the last 72 hours is $494.

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Colorado takes 4h 18m

Direct flights go from Montreal Pierre Elliott Trudeau Intl Airport to Colorado every day.

There are 87 airports in Colorado. From Montreal Pierre Elliott Trudeau Intl Airport there are direct flights to Denver Intl (DEN).

Search flight deals

When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado are refreshed on a daily basis.
How many operators does momondo search for flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado?
As of March 2026, there are 2 operators available to choose from for flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Colorado?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Montreal Pierre Elliott Trudeau Intl Airport to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Colorado is Airbus A220-300 (59.15% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (15.32%), Airbus A321neo (3.83%), and Airbus A321-100/200 (3.40%).

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $374	Free Cancellation	Rating 7.1 10,844 reviews		Search Air Canada flights
United Airlines	PriceFrom $430	Free Cancellation	Rating 7.4 9,491 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Colorado?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to Colorado. momondo saves you time and could save you money on your trip.

Can I find flights from Montreal to Colorado with flexible booking policies on momondo?

All flight searches from Montreal to Colorado on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Montreal to Colorado?

Once all potential Montreal to Colorado flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Montreal to Colorado right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montreal to Colorado flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 4/26

Sun 5/3

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Colorado

Popular cities

Other flights from Montreal Pierre Elliott Trudeau Intl Airport

Other flights to Colorado

Airlines

Complete your trip

Feeling lucky

Popular cities in Colorado

Flights to New Yorkfrom $66

Flights to Los Angelesfrom $60

Flights to Orlandofrom $49

Flights to Miamifrom $45

Flights to Chicagofrom $68

Flights to San Franciscofrom $77

Flights to Las Vegasfrom $41

Flights to Washington, D.C.from $59

Flights to Bostonfrom $65

Flights to Atlantafrom $53

Flights to Dallasfrom $62

Flights to Seattlefrom $104

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado from $159

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Our best United Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to Colorado flight tickets

Delta flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Our best Delta deals on Montreal Pierre Elliott Trudeau Intl Airport to Colorado flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Colorado that are best for you.

See travel insights to Colorado from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

What is the cheapest month to fly to Colorado?

What is the cheapest day to depart on your flight to Colorado?

What is the cheapest time of day to depart on your flight to Colorado?

What is the cheapest Montreal Pierre Elliott Trudeau Intl to Colorado flight route?

How far in advance should I book a flight to Colorado?

What cabin class options are available on Montreal Pierre Elliott Trudeau Intl to Colorado flights?

Can stopping save me money on Montreal Pierre Elliott Trudeau Intl Airport to Colorado flights?

What is the cheapest airline that flies from Montreal Pierre Elliott Trudeau Intl to Colorado?

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to Colorado on average per day?

How many flights depart from Montreal Pierre Elliott Trudeau Intl Airport to Colorado on average per week?

Cheap Montreal Pierre Elliott Trudeau Intl Airport to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Best Price Found

Fastest flight time

Direct flights

Airports in Colorado

Best airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Colorado

Compare and see reviews for airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Colorado with momondo

Why use momondo?

An easier way to manage your Colorado trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Colorado

Popular cities in Colorado

Popular flights according to clicks in the last 7 days on momondo

Montreal Pierre Elliott Trudeau Intl Airport flight routes

According to popular flight searches on momondo this year

Colorado flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Colorado

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Colorado

Explore popular destinations other users love

According to popular flight searches on momondo this year