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

As of June 2026, 14 flights take off from Denver and land in Region of Ontario each day. The most common flight departure time for this route is 11:00AM, with 55% of daily flights taking off at noon.

What airlines fly to Region of Ontario?

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Region of Ontario from Denver according to our data. Air Canada is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 4 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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

The number of flights available between Denver and Region of Ontario is 102 per week as of June 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

Prices for flights from Denver Intl Airport to Ontario are refreshed on a daily basis.

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

There are 4 operators available for flights from Denver Intl Airport to Ontario as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to Ontario.

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

The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$166 Cheap Flights from Denver to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:56 pm - 2:25 pm

DEN

YTZ

18h 29m

1 stop

1:40 pm - 12:29 am

YTZ

DEN

12h 49m

1 stop

$332Multiple Airlines

Wed, Sep 16 - Sat, Sep 19

6:25 am - 2:25 pm

DEN

YTZ

6h 00m

1 stop

1:40 pm - 12:29 am

YTZ

DEN

12h 49m

1 stop

$356Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

8:52 pm - 8:50 pm

DEN

YYZ

21h 58m

1 stop

12:55 pm - 9:41 pm

YYZ

DEN

10h 46m

1 stop

$363Multiple Airlines

Wed, Jul 22 - Tue, Jul 28

12:15 pm - 11:45 pm

DEN

YUL

9h 30m

1 stop

7:15 am - 11:20 am

YUL

DEN

30h 05m

1 stop

$410WestJet

Mon, Aug 24 - Thu, Aug 27

12:15 pm - 7:50 pm

DEN

YKF

29h 35m

1 stop

8:40 pm - 11:20 am

YKF

DEN

16h 40m

1 stop

$434WestJet

Tue, Jul 7 - Tue, Jul 14

12:15 pm - 11:45 pm

DEN

YUL

9h 30m

1 stop

8:00 pm - 11:20 am

YUL

DEN

17h 20m

1 stop

$436WestJet

Thu, Aug 27 - Thu, Sep 3

11:30 am - 8:32 pm

DEN

YXU

7h 02m

1 stop

3:30 pm - 8:22 pm

YXU

DEN

6h 52m

1 stop

$695Air Canada

Fri, Jul 31 - Sun, Aug 9

11:30 am - 8:32 pm

DEN

YXU

7h 02m

1 stop

5:40 am - 10:35 am

YXU

DEN

6h 55m

1 stop

$696Air Canada

Fri, Jul 31 - Sun, Aug 9

11:30 am - 8:32 pm

DEN

YXU

7h 02m

1 stop

5:40 am - 10:35 am

YXU

DEN

6h 55m

1 stop

$811Air Canada

Fri, Jul 31 - Sun, Aug 9

9:40 am - 9:40 pm

DEN

YXU

10h 00m

2 stops

5:40 am - 10:35 am

YXU

DEN

6h 55m

1 stop

$825Air Canada

Tue, Sep 1 - Sat, Sep 5

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WestJet flights from Denver to Region of Ontario

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

WestJet

Aug 24

DEN12:15 pmDenver Intl

9h 30m

1 stop

YUL11:45 pmMontreal Pierre Elliott Trudeau Intl

Aug 27

YUL7:15 amMontreal Pierre Elliott Trudeau Intl

30h 05m

1 stop

DEN11:20 amDenver Intl

$410

WestJet

Jul 7

DEN12:15 pmDenver Intl

29h 35m

1 stop

YKF7:50 pmToronto Region of Waterloo Intl

Jul 14

YKF8:40 pmToronto Region of Waterloo Intl

16h 40m

1 stop

DEN11:20 amDenver Intl

$434

WestJet

Jul 14

DEN12:15 pmDenver Intl

9h 55m

1 stop

YYZ12:10 amToronto Pearson Intl

Jul 20

YYZ10:25 pmToronto Pearson Intl

14h 55m

1 stop

DEN11:20 amDenver Intl

$435

Air Canada flights from Denver to Region of Ontario

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

Air Canada

Jun 25

DEN6:05 pmDenver Intl

3h 12m

YYZ11:17 pmToronto Pearson Intl

Jul 2

YYZ8:55 amToronto Pearson Intl

3h 40m

DEN10:35 amDenver Intl

$466

Air Canada

Jun 25

DEN6:05 pmDenver Intl

3h 12m

YYZ11:17 pmToronto Pearson Intl

Jul 1

YYZ12:30 amToronto Pearson Intl

12h 03m

1 stop

DEN10:33 amDenver Intl

$504

Air Canada

Jun 25

DEN6:05 pmDenver Intl

3h 12m

YYZ11:17 pmToronto Pearson Intl

Jun 30

YYZ8:55 amToronto Pearson Intl

3h 40m

DEN10:35 amDenver Intl

$540

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Wed 9/16

5:56 pm-2:25 pm

1 stop18h 29m

Toronto Island

Sat 9/19

1:40 pm-12:29 am

1 stop12h 49m

$332

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Tue 9/22

6:25 am-2:25 pm

1 stop6h 00m

Toronto Island

Tue 9/29

1:40 pm-12:29 am

1 stop12h 49m

$356

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 7/22

8:52 pm-8:50 pm

1 stop21h 58m

Toronto Pearson Intl

Tue 7/28

12:55 pm-9:41 pm

1 stop10h 46m

$363

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Mon 8/24

12:15 pm-11:45 pm

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 8/27

7:15 am-11:20 am

1 stop30h 05m

$410

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Tue 7/7

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Tue 7/14

8:40 pm-11:20 am

1 stop16h 40m

$434

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Thu 8/27

12:15 pm-11:45 pm

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 9/3

8:00 pm-11:20 am

1 stop17h 20m

$436

Quickest round-trip

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Fri 7/31

11:30 am-8:32 pm

1 stop7h 02m

London

Sun 8/9

3:30 pm-8:22 pm

1 stop6h 52m

$695

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Fri 7/31

11:30 am-8:32 pm

1 stop7h 02m

London

Sun 8/9

5:40 am-10:35 am

1 stop6h 55m

$696

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Fri 7/31

11:30 am-8:32 pm

1 stop7h 02m

London

Sun 8/9

5:40 am-10:35 am

1 stop6h 55m

$811

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Tue 9/1

9:40 am-9:40 pm

2 stops10h 00m

London

Sat 9/5

5:40 am-10:35 am

1 stop6h 55m

$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 Denver to Region of Ontario

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 Region of Ontario?

The month of July is, on average, the cheapest month to fly to Region of Ontario from Denver, with most prices found around $119. If you aren’t able to travel during the month of July, then book flights to Region of Ontario from Denver during January instead. Flights to Region of Ontario in January, while not as cheap as those in July, still average around $129.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Thursday is the cheapest day to fly to Region of Ontario from Denver. The lowest ticket price found for a Thursday departure recently was $675. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Denver to Region of Ontario on a Sunday will generally be more expensive and average around $809. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from Denver to Region of Ontario at noon for as low as $702. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $814.

What is the cheapest Denver Intl to Ontario flight route?

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

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

You are more likely to see cheaper flights to Region of Ontario from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around $563 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from Denver for as low as $451 on momondo.

What cabin class options are available on Denver to Region of Ontario flights?

There are 4 cabin classes available to choose from on Denver to Region of Ontario 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 Denver to Region of Ontario flights?

You could potentially save up to 5% on your flight if you consider stops on a Denver to Region of Ontario flight.

Cheap Denver to Region of Ontario flight deals and tips

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

Best Price Found	$295
Fastest flight time	3h 10m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from Denver in the past 72 hours is $295. The best round-trip flight deal from Denver to Region of Ontario found on momondo in the last 72 hours is $709.

The fastest flight from Denver to Region of Ontario takes 3h 10m

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

There are 125 airports in Region of Ontario. From Denver there are direct flights to Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from Denver to Ontario

When did momondo last update prices for flights from Denver Intl Airport to Ontario?
Prices for flights from Denver Intl Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from Denver Intl Airport to Ontario?
There are 4 operators available for flights from Denver Intl Airport to Ontario as of June 2026.
How old do you have to be to fly from Denver Intl Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Denver Intl Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Denver to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from Denver to Region of Ontario is Airbus A319, representing 30.45% of all bookings. The subsequent popular models are Airbus A220-300 at 28.82%, Airbus A320-100/200 at 9.74%, and Airbus A220 at 6.36%.

Best airlines flying from Denver to Region of Ontario

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $186	Free Cancellation	Rating 7.1 11,163 reviews	Search Air Canada flights
Delta	PriceFrom $218	Free Cancellation	Rating 7.9 8,401 reviews	Search Delta flights
WestJet	PriceFrom $223	Free Cancellation	Rating 7.2 3,356 reviews	Search WestJet flights
United Airlines	PriceFrom $224	Free Cancellation	Rating 7.4 9,807 reviews	Search United Airlines flights

Why use momondo?

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

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 Denver to Ontario for you.

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

Yes. All flights to Ontario from Denver on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

Yes momondo offers price alerts on flights to Ontario from Denver. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Region of Ontario trip

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Popular cities in Ontario

Flights to Torontofrom $156

Flights to Vancouverfrom $125

Flights to Montrealfrom $221

Flights to Calgaryfrom $216

Flights to Ottawafrom $258

Flights to Halifaxfrom $281

Flights to Winnipegfrom $324

Flights to Québec Cityfrom $337

Flights to Saskatoonfrom $328

Flights to Kelownafrom $245

Flights to St. John'sfrom $427

Flights to Reginafrom $394

Cheap flights from Denver to Ontario from $166

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Ontario departing on 7/22. 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 Denver to Region of Ontario

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

Air Canada flights from Denver to Region of Ontario

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

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

What is the cheapest month to fly to Region of Ontario?

What is the cheapest day to depart on your flight to Region of Ontario?

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

What is the cheapest Denver Intl to Ontario flight route?

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

What cabin class options are available on Denver to Region of Ontario flights?

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

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

What airlines fly to Region of Ontario?

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

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

Cheap Denver to Region of Ontario flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from Denver to Ontario

Best airlines flying from Denver to Region of Ontario

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

Why use momondo?

An easier way to manage your Region of Ontario 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 Ontario

Popular cities in Ontario

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

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According to popular flight searches on momondo this year

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