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Cheap flights from Denver to Ontario from C$ 154

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YYZ
26 Nov — 3 Dec1
1 adult

Cheap flight deals from Denver to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 November 2024.

Find flight deals from Denver to Ontario

Cheapest flights from Denver to Ontario
Explore the most affordable flight options available from Denver to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Wed 18/127:05 p.m.DEN - YYZ
2 stops16h 50mMultiple Airlines
Tue 7/17:25 p.m.YYZ - DEN
1 stop16h 04mMultiple Airlines
Deal found 20/11C$ 410
Tue 10/127:00 a.m.DEN - YUL
2 stops23h 58mMultiple Airlines
Tue 17/125:35 p.m.YUL - DEN
1 stop12h 19mMultiple Airlines
Deal found 20/11C$ 416
Sat 23/117:20 p.m.DEN - YOW
1 stop13h 11mMultiple Airlines
Mon 25/115:45 a.m.YOW - DEN
1 stop6h 50mMultiple Airlines
Deal found 19/11C$ 475
Mon 2/125:40 p.m.DEN - YOW
1 stop5h 57mAir Canada
Sun 8/125:30 a.m.YOW - DEN
1 stop6h 58mAir Canada
Deal found 20/11C$ 485
Sat 23/118:25 p.m.DEN - YOW
1 stop12h 06mUnited Airlines
Mon 25/119:45 a.m.YOW - DEN
2 stops12h 00mUnited Airlines
Deal found 19/11C$ 503
Fri 29/117:44 p.m.DEN - YTZ
1 stop17h 53mMultiple Airlines
Wed 11/1210:20 a.m.YTZ - DEN
1 stop24h 45mMultiple Airlines
Deal found 20/11C$ 556
Tue 31/126:50 a.m.DEN - YUL
1 stop14h 00mAmerican Airlines
Wed 8/17:14 a.m.YUL - DEN
2 stops12h 33mAmerican Airlines
Deal found 20/11C$ 704
Tue 10/125:30 p.m.DEN - YUL
1 stop15h 01mDelta
Tue 17/126:05 a.m.YUL - DEN
1 stop16h 29mDelta
Deal found 20/11C$ 742
Thu 12/127:00 a.m.DEN - YYZ
1 stop8h 35mAmerican Airlines
Wed 18/121:14 p.m.YYZ - DEN
1 stop11h 22mAmerican Airlines
Deal found 20/11C$ 748
Thu 12/122:23 p.m.DEN - YUL
1 stop7h 18mWestJet
Sun 15/126:00 a.m.YUL - DEN
1 stop6h 24mWestJet
Deal found 21/11C$ 790
Fri 29/117:00 p.m.DEN - YYZ
1 stop15h 12mAir Canada
Wed 11/124:10 p.m.YYZ - DEN
Nonstop3h 56mAir Canada
Deal found 20/11C$ 811
Wed 11/1212:50 a.m.DEN - YYZ
1 stop6h 19mDelta
Wed 18/127:55 a.m.YYZ - DEN
1 stop10h 35mDelta
Deal found 20/11C$ 878

Find flights from Denver to Ontario within your budget

Customize your flight search to find flights from Denver to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 645,034 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 13/1

7:50 p.m.-6:46 a.m.

1 stop8h 56m

Toronto Pearson Intl

Thu 16/1

1:50 p.m.-1:24 a.m.

2 stops13h 34m

C$ 386

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 10/12

7:00 a.m.-8:58 a.m.

2 stops23h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 17/12

5:35 p.m.-3:54 a.m.

1 stop12h 19m

C$ 416

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Mon 2/12

5:40 p.m.-1:37 a.m.

1 stop5h 57m

Ottawa

Sun 8/12

5:30 a.m.-10:28 a.m.

1 stop6h 58m

C$ 485

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sat 4/1

9:50 a.m.-8:17 p.m.

1 stop8h 27m

Toronto Island

Sat 11/1

2:15 p.m.-9:29 a.m.

2 stops21h 14m

C$ 576

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 14/2

7:00 a.m.-2:55 p.m.

1 stop29h 55m

Toronto Pearson Intl

Sun 16/2

4:10 p.m.-11:49 p.m.

1 stop9h 39m

C$ 580

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Sun 1/12

10:42 p.m.-5:00 p.m.

1 stop16h 18m

Ottawa

Sun 8/12

7:00 p.m.-7:51 a.m.

2 stops38h 51m

C$ 619

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Wed 14/5

12:15 p.m.-12:43 a.m.

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

6:20 p.m.-11:27 a.m.

2 stops43h 07m

C$ 640

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Sat 11/1

6:37 a.m.-3:25 p.m.

1 stop6h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 26/1

2:20 p.m.-8:24 p.m.

1 stop8h 04m

C$ 647

DenverOttawa

DEN - YOW

DENYOW

Denver Intl

Wed 18/12

8:00 a.m.-11:54 p.m.

1 stop13h 54m

Ottawa

Wed 25/12

5:30 a.m.-10:28 a.m.

1 stop6h 58m

C$ 724

DenverMontreal

DEN - YUL

DENYUL

Denver Intl

Tue 10/12

5:30 p.m.-10:31 a.m.

1 stop15h 01m

Montreal Pierre Elliott Trudeau Intl

Tue 17/12

6:05 a.m.-8:34 p.m.

1 stop16h 29m

C$ 742

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/11

Showing 1-10 of 40 results
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Best time to book a flight from Denver to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Denver to Ontario

Get recent, data-driven insights about flights from Denver to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Denver to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from Denver to Region of Ontario (average of C$ 178). Flying from Denver to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to ON?

Find hourly flight availability from Denver to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.

When flying from Denver to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Denver to Region of Ontario

Explore weekly flight availability from Denver to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 November 2024.

The most flights from DEN to CAON are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 21 November 2024.
Read through reviews of airlines operating flights from Denver to Ontario, such as Alaska Airlines, American Airlines and Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,458 reviews
Check prices

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,458 reviews
Alaska Airlines
8.0
Very good
9,458 reviews
Check prices

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,758 reviews
Alaska Airlines
8.0
Very good
9,458 reviews
Check prices

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines
7.4
Good
9,172 reviews
Alaska Airlines
8.0
Very good
9,458 reviews
Check prices

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

WestJet
7.3
Good
2,810 reviews
Alaska Airlines
8.0
Very good
9,458 reviews
Check prices

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,458 reviews
Check prices

Food

7.2

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Denver to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Ontario?

    Located just 29.7 km from the city centre, Denver Intl (DEN) is the airport most travellers will use when flying to Ontario from Denver.

  • What are the cheapest airlines to fly from Denver to Region of Ontario one-way?

    C$ 208 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from C$ 215 and C$ 282, respectively.

  • What are the most popular routes from Denver to Region of Ontario?

    The most popular route from Denver to Region of Ontario is Denver Intl - Toronto Pearson Intl. You may also consider Denver Intl - Montreal Pierre Elliott Trudeau Intl or Denver Intl - Toronto Island.

  • What are the most reliable airlines from Denver to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from Denver to Region of Ontario consider choosing Air Canada (83%), United Airlines (83%) or Austrian Airlines (81%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Denver to Region of Ontario?

    Looking for the cheapest flight from Denver to Region of Ontario? While on average our users pay C$ 489, our data indicates the cheapest price to be C$ 210. The most popular route (Denver Intl - Toronto Pearson Intl), is priced around C$ 386.

  • Can I find deals for flights from Denver to Ontario that include hotel bookings?

    Yes. In addition to deals on Denver to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Ontario.

  • Can I find deals for business class flights from Denver to Ontario?

    Yes. Cheapflights offers flight deals from Denver to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from Denver to Region of Ontario (average of C$ 178). Flying from Denver to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Denver to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Vancouver Intl flights
Denver to Calgary flights
Denver to Pearson Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Denver to Abbotsford flights
Denver to Edmonton flights
Denver to Kelowna flights
Denver to Toronto Island flights
Denver to Victoria flights
Denver to Ottawa flights
Denver to Québec City flights
Denver to Winnipeg flights
Colorado Springs to Pearson Intl flights
Colorado Springs to Vancouver Intl flights
Colorado Springs to Calgary flights
Colorado Springs to Victoria flights
Denver to Halifax flights
Colorado Springs to Pierre Elliott Trudeau Intl flights
Vail to Vancouver Intl flights
Denver to Saskatoon flights
Denver to St. John's flights
Denver to Whitehorse flights
Denver to Yellowknife flights
Denver to Charlottetown flights
Montrose to Edmonton flights
Grand Junction to Edmonton flights
Denver to Terrace flights
Denver to Cranbrook flights
Denver to Hamilton flights
Colorado Springs to St. John's flights
Colorado Springs to Ottawa flights
Aspen to Vancouver Intl flights

Top 2 airlines flying from Denver to Ontario

Discover the top 2 airlines that operate flights from Denver to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 645,034 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 255AverageC$ 710FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 738AverageC$ 1,064FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Ontario?

When you search for this flight from Denver to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Denver to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Denver to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Denver to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Denver to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Denver to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Denver to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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