How long is the flight from Region of Ontario to Colorado?

If you’re flying from a popular airport in Region of Ontario, such as Ottawa or Toronto, and flying into Colorado, then you can expect flight times to average 8h 08m and 8h 55m, respectively.

How many flights depart from Region of Ontario to Colorado on average per week?

98 flights are operational weekly from Region of Ontario to Colorado as of May 2026. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.

Which airlines fly to Colorado?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Colorado from Region of Ontario according to our data. Air Canada is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Colorado?

WestJet, Delta, and United Airlines are the most popular carriers operating from Ontario to Colorado

How many flights depart from Region of Ontario to Colorado on average per day?

As of May 2026, 14 flights take off from Region of Ontario and land in Colorado each day. The most common flight departure time for this route is 6:00p.m., with 44% of daily flights taking off at noon.

When did momondo last update prices for flights from Ontario to Colorado?

Prices for flights from Ontario to Colorado are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario to Colorado?

There are 3 operators available for flights from Ontario to Colorado as of May 2026.

How old do you have to be to fly from Ontario to Colorado?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Colorado.

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

The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 245 Cheap Flights from Ontario to Colorado in 2026

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Find the cheapest flights from Ontario to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 p.m. - 11:20 a.m.

YUL

DEN

19h 35m

2 stops

12:15 p.m. - 12:25 a.m.

DEN

YUL

34h 10m

2 stops

C$ 451WestJet

Wed, 17 Jun - Wed, 24 Jun

6:45 a.m. - 11:20 a.m.

YUL

DEN

30h 35m

2 stops

12:15 p.m. - 11:45 p.m.

DEN

YUL

9h 30m

1 stop

C$ 461WestJet

Wed, 26 Aug - Wed, 2 Sep

5:30 p.m. - 11:20 a.m.

YUL

DEN

19h 50m

1 stop

12:15 p.m. - 11:45 p.m.

DEN

YUL

9h 30m

1 stop

C$ 465WestJet

Wed, 15 Jul - Wed, 5 Aug

12:29 p.m. - 10:22 p.m.

YYZ

COS

11h 53m

2 stops

6:00 a.m. - 5:19 p.m.

COS

YYZ

9h 19m

1 stop

C$ 540Delta

Fri, 5 Jun - Tue, 9 Jun

1:30 p.m. - 9:15 p.m.

YYZ

COS

9h 45m

1 stop

8:00 a.m. - 4:45 p.m.

COS

YYZ

6h 45m

1 stop

C$ 571Delta

Tue, 15 Sep - Wed, 23 Sep

6:46 a.m. - 2:44 p.m.

YYZ

COS

9h 58m

1 stop

8:00 a.m. - 10:54 p.m.

COS

YYZ

12h 54m

1 stop

C$ 584American Airlines

Sat, 22 Aug - Sat, 29 Aug

6:25 a.m. - 10:59 a.m.

YOW

COS

6h 34m

1 stop

12:45 p.m. - 9:35 p.m.

COS

YOW

6h 50m

1 stop

C$ 630United Airlines

Tue, 1 Sep - Wed, 2 Sep

2:48 p.m. - 11:49 p.m.

YOW

COS

11h 01m

2 stops

12:45 p.m. - 9:35 p.m.

COS

YOW

6h 50m

1 stop

C$ 631United Airlines

Tue, 1 Sep - Wed, 2 Sep

12:15 p.m. - 8:33 p.m.

YTZ

COS

10h 18m

2 stops

6:31 p.m. - 10:06 a.m.

COS

YTZ

13h 35m

2 stops

C$ 633Air Canada

Wed, 21 Oct - Fri, 23 Oct

12:15 p.m. - 11:59 p.m.

YTZ

COS

13h 44m

2 stops

6:31 p.m. - 10:06 a.m.

COS

YTZ

13h 35m

2 stops

C$ 634Air Canada

Wed, 21 Oct - Fri, 23 Oct

WestJet flights from Region of Ontario to Colorado

Our best WestJet deals on Region of Ontario to Colorado flight tickets

WestJet

24 Jun

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

19h 35m

2 stops

DEN11:20 a.m.Denver Intl

30 Jun

DEN12:15 p.m.Denver Intl

9h 30m

1 stop

YUL11:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 485

WestJet

16 Jun

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

19h 35m

2 stops

DEN11:20 a.m.Denver Intl

23 Jun

DEN12:15 p.m.Denver Intl

26h 30m

2 stops

YUL4:45 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 487

WestJet

15 Jun

YUL5:45 p.m.Montreal Pierre Elliott Trudeau Intl

19h 35m

2 stops

DEN11:20 a.m.Denver Intl

24 Jun

DEN12:15 p.m.Denver Intl

34h 10m

2 stops

YUL12:25 a.m.Montreal Pierre Elliott Trudeau Intl

C$ 488

Air Canada flights from Region of Ontario to Colorado

Our best Air Canada deals on Region of Ontario to Colorado flight tickets

Air Canada

21 Oct

YTZ12:15 p.m.Toronto Island

10h 18m

2 stops

COS8:33 p.m.Colorado Springs

23 Oct

COS6:31 p.m.Colorado Springs

13h 35m

2 stops

YTZ10:06 a.m.Toronto Island

C$ 633

Air Canada

15 Jul

YYZ6:40 p.m.Toronto Pearson Intl

3h 42m

DEN8:22 p.m.Denver Intl

18 Jul

DEN6:10 p.m.Denver Intl

3h 12m

YYZ11:22 p.m.Toronto Pearson Intl

C$ 634

Air Canada

17 May

YYZ8:45 a.m.Toronto Pearson Intl

3h 48m

DEN10:33 a.m.Denver Intl

17 May

DEN6:10 p.m.Denver Intl

3h 13m

YYZ11:23 p.m.Toronto Pearson Intl

C$ 644

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

5:45 p.m.-11:20 a.m.

2 stops19h 35m

Denver Intl

Wed 24/6

12:15 p.m.-12:25 a.m.

2 stops34h 10m

C$ 451

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 26/8

6:45 a.m.-11:20 a.m.

2 stops30h 35m

Denver Intl

Wed 2/9

12:15 p.m.-11:45 p.m.

1 stop9h 30m

C$ 461

MontrealDenver

YUL - DEN

YULDEN

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

5:30 p.m.-11:20 a.m.

1 stop19h 50m

Denver Intl

Wed 5/8

12:15 p.m.-11:45 p.m.

1 stop9h 30m

C$ 465

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Fri 5/6

12:29 p.m.-10:22 p.m.

2 stops11h 53m

Colorado Springs

Tue 9/6

6:00 a.m.-5:19 p.m.

1 stop9h 19m

C$ 540

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Tue 15/9

1:30 p.m.-9:15 p.m.

1 stop9h 45m

Colorado Springs

Wed 23/9

8:00 a.m.-4:45 p.m.

1 stop6h 45m

C$ 571

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Sat 22/8

6:46 a.m.-2:44 p.m.

1 stop9h 58m

Colorado Springs

Sat 29/8

8:00 a.m.-10:54 p.m.

1 stop12h 54m

C$ 584

Quickest round-trip

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 1/9

6:25 a.m.-10:59 a.m.

1 stop6h 34m

Colorado Springs

Wed 2/9

12:45 p.m.-9:35 p.m.

1 stop6h 50m

C$ 630

OttawaColorado Springs

YOW - COS

YOWCOS

Ottawa

Tue 1/9

2:48 p.m.-11:49 p.m.

2 stops11h 01m

Colorado Springs

Wed 2/9

12:45 p.m.-9:35 p.m.

1 stop6h 50m

C$ 631

TorontoColorado Springs

YTZ - COS

YTZCOS

Toronto Island

Wed 21/10

12:15 p.m.-8:33 p.m.

2 stops10h 18m

Colorado Springs

Fri 23/10

6:31 p.m.-10:06 a.m.

2 stops13h 35m

C$ 633

TorontoColorado Springs

YTZ - COS

YTZCOS

Toronto Island

Wed 21/10

12:15 p.m.-11:59 p.m.

2 stops13h 44m

Colorado Springs

Fri 23/10

6:31 p.m.-10:06 a.m.

2 stops13h 35m

C$ 634

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 Region of Ontario 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 cheapest month to fly to Colorado from Region of Ontario is in August. Flight prices, which tend to average around C$ 178, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in August, then you should wait until November to fly from Region of Ontario, when ticket prices are also cheap, with an average price of C$ 224.

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

The cheapest day to depart on your flight to Colorado is on a Friday when prices can be found for as low as C$ 723. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,042.

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

According to our data, the cheapest time of day to fly to Colorado is in the morning. momondo users have found flights departing from Region of Ontario to Colorado in the morning for as low as C$ 775. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around C$ 1,130. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to Colorado flight route?

Fly from Toronto Pearson Intl to Denver Intl for the best Ontario - Colorado flight prices

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

You are more likely to see cheaper flights to Colorado from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around C$ 654 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Region of Ontario for as low as C$ 533 on momondo.

Can stopping save me money on Region of Ontario to Colorado flights?

You could potentially save up to 29% on your flight if you consider stops on a Region of Ontario to Colorado flight.

Cheap Region of Ontario to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Colorado

Best price found	C$ 371
Fastest flight time	3h 37m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Region of Ontario in the past 72 hours is C$ 371. The best round-trip flight deal from Region of Ontario to Colorado found on momondo in the last 72 hours is C$ 606.

The fastest flight from Region of Ontario to Colorado takes 3h 37m

Direct flights go from Region of Ontario to Colorado every day.

There are 87 airports in Colorado. From Region of Ontario there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Ontario to Colorado

When did momondo last update prices for flights from Ontario to Colorado?
Prices for flights from Ontario to Colorado are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario to Colorado?
There are 3 operators available for flights from Ontario to Colorado as of May 2026.
How old do you have to be to fly from Ontario to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents you'll need for your trip to Colorado may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Colorado. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Region of Ontario to Colorado?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to Colorado is Airbus A220-300 (28.69% of total bookings). The next most popular plane models are Embraer 195 E2 (23.05%), Airbus A319 (18.97%), and Airbus A320-100/200 (6.23%).

Best airlines flying from Region of Ontario to Colorado

Compare and see reviews for airlines that fly from Region of Ontario to Colorado with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 301	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 326	Free Cancellation	Rating 7.2 3,332 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 391	Free Cancellation	Rating 7.1 11,008 reviews	Search Air Canada flights
American Airlines	PriceFrom C$ 761	Free Cancellation	Rating 7.1 11,670 reviews	Search American Airlines flights

Why use momondo?

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

Finding the right flight to Colorado from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Colorado quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Colorado from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Ontario 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 Ontario to Colorado right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Colorado, momondo offers a useful price alert feature which will track prices for flights to Colorado from Ontario and alert you when they change.

An easier way to manage your Colorado trip

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Cheap flights from Ontario to Colorado from C$ 245

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Colorado departing on 24/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Region of Ontario to Colorado

Our best WestJet deals on Region of Ontario to Colorado flight tickets

Air Canada flights from Region of Ontario to Colorado

Our best Air Canada deals on Region of Ontario to Colorado flight tickets

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See travel insights to Colorado from

How to get the cheapest flight ticket from Region of Ontario 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 Ontario to Colorado flight route?

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

Can stopping save me money on Region of Ontario to Colorado flights?

What is the cheapest airline that flies from Ontario to Colorado?

Which airlines fly to Colorado?

How many flights depart from Region of Ontario to Colorado on average per day?

How many flights depart from Region of Ontario to Colorado on average per week?

How long is the flight from Region of Ontario to Colorado?

Cheap Region of Ontario to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Colorado

Best price found

Fastest flight time

Direct flights

Airports in Colorado

Frequently asked questions about flying from Ontario to Colorado

Best airlines flying from Region of Ontario to Colorado

Compare and see reviews for airlines that fly from Region of Ontario 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

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