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 82 per week as of April 2026. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.

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

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

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

As of April 2026, there are 11 flights per day flying from Denver to Region of Ontario. The most common time of day flights depart is 1:00p.m., with 63% of flights taking off in the afternoon.

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

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

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

As of April 2026, there is 1 operator available to choose from for flights from Denver Intl Airport to Ontario.

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 required travel and health documents for your Ontario 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 Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 131 Cheap Flights from Denver to Ontario in 2026

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:29 p.m. - 1:05 a.m.

DEN

YYZ

24h 36m

2 stops

4:45 p.m. - 10:37 p.m.

YYZ

DEN

7h 52m

1 stop

C$ 383Multiple Airlines

Wed, 6 May - Mon, 11 May

2:40 p.m. - 9:55 p.m.

DEN

YYZ

29h 15m

1 stop

4:45 p.m. - 10:37 p.m.

YYZ

DEN

7h 52m

1 stop

C$ 398Multiple Airlines

Tue, 5 May - Mon, 11 May

6:10 a.m. - 5:45 a.m.

DEN

YYZ

21h 35m

2 stops

4:45 p.m. - 10:37 p.m.

YYZ

DEN

7h 52m

1 stop

C$ 403Multiple Airlines

Thu, 7 May - Mon, 11 May

10:29 p.m. - 6:55 a.m.

DEN

YYZ

30h 26m

2 stops

9:45 a.m. - 9:27 p.m.

YYZ

DEN

13h 42m

1 stop

C$ 407Multiple Airlines

Tue, 2 Jun - Mon, 8 Jun

10:29 p.m. - 8:00 p.m.

DEN

YYZ

19h 31m

1 stop

9:00 a.m. - 3:58 a.m.

YYZ

DEN

20h 58m

2 stops

C$ 412Multiple Airlines

Wed, 3 Jun - Tue, 9 Jun

4:07 p.m. - 5:45 a.m.

DEN

YYZ

35h 38m

2 stops

9:45 a.m. - 9:27 p.m.

YYZ

DEN

13h 42m

1 stop

C$ 416Multiple Airlines

Mon, 1 Jun - Mon, 8 Jun

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

DEN

YUL

9h 30m

1 stop

8:00 p.m. - 11:20 a.m.

YUL

DEN

17h 20m

1 stop

C$ 606WestJet

Sun, 26 Apr - Tue, 28 Apr

12:15 p.m. - 5:35 a.m.

DEN

YOW

15h 20m

1 stop

4:15 p.m. - 11:20 a.m.

YOW

DEN

21h 05m

1 stop

C$ 656WestJet

Fri, 15 May - Tue, 2 Jun

12:15 p.m. - 5:35 a.m.

DEN

YOW

15h 20m

1 stop

4:15 p.m. - 11:20 a.m.

YOW

DEN

21h 05m

1 stop

C$ 657WestJet

Fri, 15 May - Tue, 2 Jun

9:40 a.m. - 9:40 p.m.

DEN

YXU

10h 00m

2 stops

3:30 p.m. - 8:22 p.m.

YXU

DEN

6h 52m

1 stop

C$ 949Air Canada

Fri, 31 Jul - Sun, 9 Aug

Air Canada flights from Denver to Region of Ontario

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

Air Canada

20 Apr

DEN11:10 a.m.Denver Intl

7h 20m

1 stop

YYZ8:30 p.m.Toronto Pearson Intl

27 Apr

YYZ8:30 a.m.Toronto Pearson Intl

3h 48m

DEN10:18 a.m.Denver Intl

C$ 624

Air Canada

20 Apr

DEN1:25 p.m.Denver Intl

3h 10m

YYZ6:35 p.m.Toronto Pearson Intl

27 Apr

YYZ8:30 a.m.Toronto Pearson Intl

3h 48m

DEN10:18 a.m.Denver Intl

C$ 630

Air Canada

20 Apr

DEN11:10 a.m.Denver Intl

7h 20m

1 stop

YYZ8:30 p.m.Toronto Pearson Intl

27 Apr

YYZ2:00 p.m.Toronto Pearson Intl

7h 55m

1 stop

DEN7:55 p.m.Denver Intl

C$ 631

American Airlines flights from Denver to Region of Ontario

Our best American Airlines deals on Denver to Region of Ontario flight tickets

American Airlines

20 Apr

DEN7:36 a.m.Denver Intl

13h 53m

1 stop

YYZ11:29 p.m.Toronto Pearson Intl

28 May

YYZ3:10 p.m.Toronto Pearson Intl

10h 49m

1 stop

DEN11:59 p.m.Denver Intl

C$ 679

American Airlines

9 May

DEN5:44 p.m.Denver Intl

16h 00m

1 stop

YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl

3 Jun

YUL12:30 p.m.Montreal Pierre Elliott Trudeau Intl

13h 29m

1 stop

DEN11:59 p.m.Denver Intl

C$ 697

American Airlines

20 Apr

DEN6:19 a.m.Denver Intl

15h 10m

1 stop

YYZ11:29 p.m.Toronto Pearson Intl

28 May

YYZ3:10 p.m.Toronto Pearson Intl

10h 49m

1 stop

DEN11:59 p.m.Denver Intl

C$ 708

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 6/5

10:29 p.m.-1:05 a.m.

2 stops24h 36m

Toronto Pearson Intl

Mon 11/5

4:45 p.m.-10:37 p.m.

1 stop7h 52m

C$ 383

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 5/5

2:40 p.m.-9:55 p.m.

1 stop29h 15m

Toronto Pearson Intl

Mon 11/5

4:45 p.m.-10:37 p.m.

1 stop7h 52m

C$ 398

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 7/5

6:10 a.m.-5:45 a.m.

2 stops21h 35m

Toronto Pearson Intl

Mon 11/5

4:45 p.m.-10:37 p.m.

1 stop7h 52m

C$ 403

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 2/6

10:29 p.m.-6:55 a.m.

2 stops30h 26m

Toronto Pearson Intl

Mon 8/6

9:45 a.m.-9:27 p.m.

1 stop13h 42m

C$ 407

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 3/6

10:29 p.m.-8:00 p.m.

1 stop19h 31m

Toronto Pearson Intl

Tue 9/6

9:00 a.m.-3:58 a.m.

2 stops20h 58m

C$ 412

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 1/6

4:07 p.m.-5:45 a.m.

2 stops35h 38m

Toronto Pearson Intl

Mon 8/6

9:45 a.m.-9:27 p.m.

1 stop13h 42m

C$ 416

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sun 26/4

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

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

8:00 p.m.-11:20 a.m.

1 stop17h 20m

C$ 606

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 15/5

12:15 p.m.-5:35 a.m.

1 stop15h 20m

Ottawa

Tue 2/6

4:15 p.m.-11:20 a.m.

1 stop21h 05m

C$ 656

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Fri 15/5

12:15 p.m.-5:35 a.m.

1 stop15h 20m

Ottawa

Tue 2/6

4:15 p.m.-11:20 a.m.

1 stop21h 05m

C$ 657

Quickest round-trip

DenverLondon

DEN - YXU

DENYXU

Denver Intl

Fri 31/7

9:40 a.m.-9:40 p.m.

2 stops10h 00m

London

Sun 9/8

3:30 p.m.-8:22 p.m.

1 stop6h 52m

C$ 949

Flights are sorted by cheapest round-trip flights first.

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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?

In general, September is the cheapest month to fly from Denver to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 634. If you are unable to visit Region of Ontario during the month of September, then departing from Denver during the month October is also very affordable. Most momondo users find prices during this month for around C$ 678.

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

The cheapest day to depart from Denver to Region of Ontario is on a Thursday. Travellers who choose to depart for Region of Ontario on a Thursday will often find tickets for as low as C$ 497. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 846.

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

Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from Denver to Region of Ontario during this time can be as low as C$ 551. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 878 on average. Flights to Region of Ontario from Denver at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 to Region of 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 C$ 758 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 C$ 562 on momondo.

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

There are 3 cabin classes available to choose from on Denver Intl to 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 66% 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	C$ 486
Fastest flight time	3h 10m
Direct flights	Every day
Airports in Region of Ontario	123 airports

The best one-way flight to Region of Ontario from Denver in the past 72 hours is C$ 486. The best round-trip flight deal from Denver to Region of Ontario found on momondo in the last 72 hours is C$ 318.

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 123 airports in Region of Ontario. From Denver there are direct flights to 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 were last updated today.
How many operators does momondo search for flights from Denver Intl Airport to Ontario?
As of April 2026, there is 1 operator available to choose from for flights from Denver Intl Airport to Ontario.
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 required travel and health documents for your Ontario 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 Ontario. 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 Denver to Region of Ontario?
Based on momondo bookings for flights between Denver and Region of Ontario, the leading plane model is Airbus A319, making up 43.82% of the total bookings. Other popular models include Airbus A220-300 with 26.65%, Boeing 787 Dreamliner with 7.80%, and Boeing 777 with 4.92%.

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 C$ 287	Free Cancellation	Rating 7.1 10,915 reviews		Search Air Canada flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to Ontario from Denver. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Denver to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.

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Popular Cities in Ontario

Flights to Torontofrom C$ 181

Flights to Vancouverfrom C$ 87

Flights to Montrealfrom C$ 252

Flights to Calgaryfrom C$ 138

Flights to Ottawafrom C$ 245

Flights to Winnipegfrom C$ 177

Flights to Halifaxfrom C$ 190

Flights to Kelownafrom C$ 145

Flights to Saskatoonfrom C$ 192

Flights to Reginafrom C$ 228

Flights to St. John'sfrom C$ 188

Flights to Québec Cityfrom C$ 268

Cheap flights from Denver to Ontario from C$ 131

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 19/5. 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 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 to Region of Ontario?

What cabin class options are available on Denver Intl to 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?

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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