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

As of May 2026, there are 14 flights per day flying from Region of Ontario to Denver. The most common time of day flights depart is 6:00p.m., with 41% of flights taking off at noon.

How long does it take to fly to Denver?

If you’re flying from a popular airport in Region of Ontario, such as Ottawa or Toronto, and flying into Denver, then you can expect flight times to average 7h 14m and 8h 55m, respectively.

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

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

What is the cheapest airline that flies from Ontario to Denver Intl?

WestJet, Delta, and Air Canada are the most popular carriers operating from Ontario to Denver Intl

Which airlines fly to Denver?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Denver from Region of Ontario according to our data. Air Canada is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Denver. Keep in mind that there are 3 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ontario to Denver Intl Airport?

Prices for flights from Ontario to Denver Intl Airport were last updated today.

How many operators does momondo search for flights from Ontario to Denver Intl Airport?

As of May 2026, there are 3 operators available to choose from for flights from Ontario to Denver Intl Airport.

How old do you have to be to fly from Ontario to Denver Intl Airport?

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 Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 234 Cheap Flights from Ontario to Denver in 2026

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Find the cheapest flights from Ontario to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:20 p.m. - 11:20 a.m.

YYZ

DEN

15h 00m

2 stops

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

DEN

YYZ

22h 30m

2 stops

C$ 487WestJet

Sun, 21 Jun - Fri, 3 Jul

10:25 p.m. - 11:20 a.m.

YYZ

DEN

14h 55m

1 stop

12:15 p.m. - 10:45 p.m.

DEN

YYZ

8h 30m

1 stop

C$ 488WestJet

Mon, 6 Jul - Wed, 15 Jul

10:20 p.m. - 11:20 a.m.

YYZ

DEN

15h 00m

2 stops

12:15 p.m. - 3:20 p.m.

DEN

YYZ

25h 05m

2 stops

C$ 492WestJet

Thu, 9 Jul - Sun, 12 Jul

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

YYZ

DEN

20h 00m

2 stops

12:15 p.m. - 5:10 p.m.

DEN

YYZ

26h 55m

1 stop

C$ 495WestJet

Wed, 19 Aug - Sat, 29 Aug

12:55 p.m. - 9:44 p.m.

YYZ

DEN

10h 49m

1 stop

12:15 p.m. - 10:45 p.m.

DEN

YYZ

8h 30m

1 stop

C$ 496Multiple Airlines

Tue, 7 Jul - Sat, 11 Jul

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$ 496WestJet

Wed, 17 Jun - Wed, 24 Jun

2:25 p.m. - 11:20 a.m.

YYZ

DEN

22h 55m

2 stops

12:15 p.m. - 9:10 p.m.

DEN

YYZ

30h 55m

2 stops

C$ 498WestJet

Wed, 15 Jul - Wed, 29 Jul

4:05 p.m. - 8:17 p.m.

YQG

DEN

6h 12m

1 stop

8:15 a.m. - 9:09 a.m.

DEN

YQG

22h 54m

2 stops

C$ 794Air Canada

Sat, 24 Oct - Tue, 27 Oct

10:05 a.m. - 6:46 p.m.

YQG

DEN

10h 41m

2 stops

8:15 a.m. - 9:09 a.m.

DEN

YQG

22h 54m

2 stops

C$ 799Air Canada

Sat, 24 Oct - Tue, 27 Oct

10:05 a.m. - 6:46 p.m.

YQG

DEN

10h 41m

2 stops

8:15 a.m. - 9:09 a.m.

DEN

YQG

22h 54m

2 stops

C$ 825Air Canada

Sat, 24 Oct - Tue, 27 Oct

Air Canada flights from Region of Ontario to Denver

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

Air Canada

5 Sep

YYZ6:40 p.m.Toronto Pearson Intl

3h 42m

DEN8:22 p.m.Denver Intl

7 Sep

DEN6:10 p.m.Denver Intl

3h 12m

YYZ11:22 p.m.Toronto Pearson Intl

C$ 562

Air Canada

5 Sep

YYZ2:00 p.m.Toronto Pearson Intl

7h 00m

1 stop

DEN7:00 p.m.Denver Intl

7 Sep

DEN6:10 p.m.Denver Intl

3h 12m

YYZ11:22 p.m.Toronto Pearson Intl

C$ 573

Air Canada

12 Jun

YYZ8:45 a.m.Toronto Pearson Intl

3h 48m

DEN10:33 a.m.Denver Intl

15 Jun

DEN6:10 p.m.Denver Intl

3h 13m

YYZ11:23 p.m.Toronto Pearson Intl

C$ 577

WestJet flights from Region of Ontario to Denver

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

WestJet

21 Jun

YYZ10:20 p.m.Toronto Pearson Intl

15h 00m

2 stops

DEN11:20 a.m.Denver Intl

3 Jul

DEN12:15 p.m.Denver Intl

22h 30m

2 stops

YYZ12:45 p.m.Toronto Pearson Intl

C$ 487

WestJet

6 Jul

YYZ10:25 p.m.Toronto Pearson Intl

14h 55m

1 stop

DEN11:20 a.m.Denver Intl

15 Jul

DEN12:15 p.m.Denver Intl

8h 30m

1 stop

YYZ10:45 p.m.Toronto Pearson Intl

C$ 488

WestJet

9 Jul

YYZ10:20 p.m.Toronto Pearson Intl

15h 00m

2 stops

DEN11:20 a.m.Denver Intl

12 Jul

DEN12:15 p.m.Denver Intl

25h 05m

2 stops

YYZ3:20 p.m.Toronto Pearson Intl

C$ 492

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 21/6

10:20 p.m.-11:20 a.m.

2 stops15h 00m

Denver Intl

Fri 3/7

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

2 stops22h 30m

C$ 487

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Mon 6/7

10:25 p.m.-11:20 a.m.

1 stop14h 55m

Denver Intl

Wed 15/7

12:15 p.m.-10:45 p.m.

1 stop8h 30m

C$ 488

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 9/7

10:20 p.m.-11:20 a.m.

2 stops15h 00m

Denver Intl

Sun 12/7

12:15 p.m.-3:20 p.m.

2 stops25h 05m

C$ 492

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 19/8

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

2 stops20h 00m

Denver Intl

Sat 29/8

12:15 p.m.-5:10 p.m.

1 stop26h 55m

C$ 495

Quickest round-trip

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 7/7

12:55 p.m.-9:44 p.m.

1 stop10h 49m

Denver Intl

Sat 11/7

12:15 p.m.-10:45 p.m.

1 stop8h 30m

C$ 496

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$ 496

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 15/7

2:25 p.m.-11:20 a.m.

2 stops22h 55m

Denver Intl

Wed 29/7

12:15 p.m.-9:10 p.m.

2 stops30h 55m

C$ 498

WindsorDenver

YQG - DEN

YQGDEN

Windsor

Sat 24/10

4:05 p.m.-8:17 p.m.

1 stop6h 12m

Denver Intl

Tue 27/10

8:15 a.m.-9:09 a.m.

2 stops22h 54m

C$ 794

WindsorDenver

YQG - DEN

YQGDEN

Windsor

Sat 24/10

10:05 a.m.-6:46 p.m.

2 stops10h 41m

Denver Intl

Tue 27/10

8:15 a.m.-9:09 a.m.

2 stops22h 54m

C$ 799

WindsorDenver

YQG - DEN

YQGDEN

Windsor

Sat 24/10

10:05 a.m.-6:46 p.m.

2 stops10h 41m

Denver Intl

Tue 27/10

8:15 a.m.-9:09 a.m.

2 stops22h 54m

C$ 825

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 Denver

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 Denver?

In general, July is the cheapest month to fly from Region of Ontario to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 177. If you aren’t able to travel during the month of July, then book flights to Denver from Region of Ontario during August instead. Flights to Denver in August, while not as cheap as those in July, still average around C$ 179.

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

The cheapest day to depart from Region of Ontario to Denver is on a Friday. Travellers who choose to depart for Denver on a Friday will often find tickets for as low as C$ 734. On the other hand, Sunday 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$ 1,041.

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

Our most recent data shows that the best time of day to fly to Denver is in the morning. Flights from Region of Ontario to Denver during this time can be as low as C$ 773. Try not to purchase tickets at noon because they tend to be around C$ 1,129. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Ontario to Denver Intl flight route?

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

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

You are more likely to see cheaper flights to Denver from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around C$ 661 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Region of Ontario for as low as C$ 533 on momondo.

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

You could potentially save up to 34% on your flight if you consider stops on a Region of Ontario to Denver flight.

Cheap Region of Ontario to Denver flight deals and tips

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

Best price found	C$ 357
Fastest flight time	3h 38m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Region of Ontario in the past 72 hours is C$ 357. The best round-trip flight deal from Region of Ontario to Denver found on momondo in the last 72 hours is C$ 640.

The fastest flight from Region of Ontario to Denver takes 3h 38m

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

There is 1 airport in Denver. From Region of Ontario there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Ontario to Denver

When did momondo last update prices for flights from Ontario to Denver Intl Airport?
Prices for flights from Ontario to Denver Intl Airport were last updated today.
How many operators does momondo search for flights from Ontario to Denver Intl Airport?
As of May 2026, there are 3 operators available to choose from for flights from Ontario to Denver Intl Airport.
How old do you have to be to fly from Ontario to Denver Intl Airport?
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 Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Region of Ontario to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to Denver is Airbus A220-300 (29.68% of total bookings). The next most popular plane models are Embraer 195 E2 (20.27%), Airbus A319 (19.24%), and Airbus A320-100/200 (7.41%).

Best airlines flying from Region of Ontario to Denver

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 303	Free Cancellation	Rating 7.4 9,736 reviews	Search United Airlines flights
WestJet	PriceFrom C$ 364	Free Cancellation	Rating 7.2 3,339 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 384	Free Cancellation	Rating 7.1 11,060 reviews	Search Air Canada flights

Keystone

Wheat Ridge

Winter Park

Lakewood

Longmont

Silverthorne

Boulder

Englewood

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Denver for you.

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

momondo does allow users to show only those flights to Denver 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 Denver?

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

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

An easier way to manage your Denver trip

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Cheap flights from Ontario to Denver from C$ 234

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 Denver departing on 5/6. 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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Air Canada flights from Region of Ontario to Denver

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How to get the cheapest flight ticket from Region of Ontario to Denver

What is the cheapest month to fly to Denver?

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

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

What is the cheapest Ontario to Denver Intl flight route?

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

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

What is the cheapest airline that flies from Ontario to Denver Intl?

Which airlines fly to Denver?

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

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

How long does it take to fly to Denver?

Cheap Region of Ontario to Denver flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Denver

Frequently asked questions about flying from Ontario to Denver

Best airlines flying from Region of Ontario to Denver

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

Travelling to a place near Denver?

Why use momondo?

An easier way to manage your Denver 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.

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Fly your favourite airline to Denver

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

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List of cabin classes available on flights landing in Denver. Availability may vary depending on flight origin and airline.

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