Cheap flights from Ontario to Denver

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How to find the cheapest flight from
Ontario to Denver (DEN)

All the information you need to plan the best null to DEN flight in 2021: compare Ontario to Denver flight prices with the expected peak season, weather and rainfall in Denver.
What is the cheapest month to fly from Region of Ontario to Denver?

The best pricing can be found in the month of August. Prices to Denver from Region of Ontario average C$ 607. You can even find prices in August for less than C$ 607, as users have found deals to Denver from as low as C$ 362. The month of February appears to be one of the more expensive times to travel to Denver from Region of Ontario. Flying in the targeted month can save you up to 8%.

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

Travellers have found it’s best to book a flight 48 days in advance to save up to 26% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 48 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Region of Ontario to Denver 1-2 weeks in advance for as low as C$ 687, or C$ 816 for flights within the next 24 hours.

When is the cheapest time to fly from Region of Ontario to Denver (ON - DEN)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Denver as you normally would.

Cheap flights from Ontario to Denver in October, November 2021

The best prices found for Ontario to DEN flights for October, November
30 Nov - 3 Dec
C$ 358pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
30 Nov - 3 Dec
C$ 366pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
15 Nov - 22 Nov
C$ 400pp
YTZ
Toronto Island
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
YTZ
Toronto Island

Ontario to Denver 2021 flight deals

Cheap flights to Denver from Ontario found for this year
6 Dec - 10 Dec
C$ 358pp
YTZ
Toronto Island
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
YTZ
Toronto Island
30 Nov - 3 Dec
C$ 358pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
7 Dec - 14 Dec
C$ 359pp
YTZ
Toronto Island
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
YTZ
Toronto Island

Direct flights to Denver from Ontario

Save time with Ontario to Denver direct flight deals
9 Dec - 9 Dec
C$ 401pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
DEN
Denver Intl
DEN
Denver Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
2 Dec - 9 Dec
C$ 419pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
DEN
Denver Intl
DEN
Denver Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
7 Dec - 9 Dec
C$ 420pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
DEN
Denver Intl
DEN
Denver Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl

Last minute flights from Ontario to Denver

Late deals on round-trip flights to Denver from Ontario, departing today and this week
2 Nov - 5 Nov
C$ 509pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
30 Oct - 13 Nov
C$ 513pp
YTZ
Toronto Island
Multiple Airlines
   
2 STOPS
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
   
2 STOPS
YTZ
Toronto Island
2 Nov - 5 Nov
C$ 520pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
DEN
Denver Intl
DEN
Denver Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

One-way flights to Denver Intl from Ontario

The cheapest one-way flights from Ontario to Denver
9:15 a.m. - 11:06 a.m.
Brussels Airlines
Direct
3h 51m
YYZ - DEN
Brussels Airlines
C$ 242
1:35 a.m. - 6:11 a.m.
Delta
1 stop
6h 36m
YYZ - DEN
Delta
C$ 252
Delta
5:20 a.m. - 2:34 p.m.
Air Canada
2 stops
11h 14m
YTZ - DEN
Air Canada
C$ 259
Air Canada

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Denver</span> flights.

Flight FAQs

From Ontario to Denver

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

If you book a flight to Denver from Ontario, you will be flying to Denver Intl, which is the city’s only airport. Denver Intl (DEN) is located 29.7 km from the centre of Denver.

Which airlines flying from Ontario to Denver Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Ontario to Denver Intl that may be offering flexible cancellation policies are Air Canada, United Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Region of Ontario to Denver for under C$ 300 on Cheapflights?

Yes, there are multiple flights from Region of Ontario to Denver for under C$ 300. The cheapest flight booked recently is on Multiple Airlines for just C$ 275, but on average you can expect to pay C$ 337.

Are there direct flights from Region of Ontario to Denver for under C$ 500 on Cheapflights?

Cheapflights has 20 direct flights from Region of Ontario to Denver under C$ 500. A good price for a direct flight from Region of Ontario to Denver is less than C$ 469.

Are there last-minute flights available from Region of Ontario to Denver for under C$ 600?

There are currently 20+ open flights from Region of Ontario to Denver within the next 7 days for less than C$ 600.

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

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as C$ 237. Users have also found prices from C$ 242 and C$ 252 on Brussels Airlines and Delta, respectively.

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

Before booking your flight to Denver from Region of Ontario, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (100%), Air Canada (68%), United Airlines( 68%).

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

On average you can expect to pay C$ 860 for a flight from Region of Ontario to Denver. The cheapest flight overall is C$ 198 while the most popular route, (Toronto Pearson Intl - Denver Intl) is currently priced at C$ 413.

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

Most travellers choose Toronto Pearson Intl - Denver Intl, Toronto Island - Denver Intl or Toronto Kitchener-Waterloo - Denver Intl when deciding on the best route from Region of Ontario to Denver.

What are the most popular airlines that fly from Region of Ontario to Denver?

Consider Major Airline, American Airlines or Air Canada when booking your flight. These represent the most popular airlines when flying from Region of Ontario to Denver.

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COVID Restrictions

View COVID Travel Restrictions for Denver, CO

Do I need a COVID test to fly to Denver from Ontario?

Information is based on travel restrictions from Ontario to Denver Intl

Most visitors from Ontario need to provide a negative COVID-19 test result and/or quarantine to enter Denver Intl.

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Denver Intl.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Denver Intl.

Do I need a test to fly back to Ontario from Denver?

Returning to Ontario from Denver Intl

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Ontario.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Ontario.

Hide COVID Travel Restrictions for Denver, CO

Departure points for flights from Ontario to Denver

Select to see more specific information for flights to Denver from all departure points in Ontario.
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Destination information for Denver

Things to know before you go - useful duration and weather info for your trip from Ontario to Denver.
Today's exchange rate
C$ 1 = $0.81
Flight duration from Ontario to DEN
3h 29m
Average temperature for October in Denver
19.0 °C
Avg rainfall for October in Denver
24.0 mm

Airports servicing

Chatham-Kent (XCM)
Fort Frances (YAG)
Sault Ste Marie (YAM)
Attawapiskat (YAT)
Fort Albany (YFA)
Kingston (YGK)

Airports servicing Denver

Denver (DEN)

Top 5 airlines flying from Ontario to Denver Intl

The chart below displays the airlines Cheapflights users travelling from Ontario to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
WestJet 		C$ 121 C$ 402 No cancel fee 60%
Search WestJet flights
Delta 		C$ 165 C$ 531 No cancel fee N/A
Search Delta flights
American Airlines 		C$ 220 C$ 517 No cancel fee 71%
Search American Airlines flights
United Airlines 		C$ 268 C$ 632 No cancel fee 69%
Search United Airlines flights
Air Canada 		C$ 284 C$ 668 No cancel fee 67%
Search Air Canada flights

Popular flight searches

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