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Flights from Denver to Ontario

Flight deals from Denver to Ontario

Looking for cheap tickets from Denver to Ontario, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.
Toronto.187 € per passenger.Departing Thu, 25 Sep, returning Wed, 1 Oct.Return flight with WestJet.Outbound indirect flight with WestJet, departs from Denver International on Thu, 25 Sep, arriving in John C. Munro Hamilton.Inbound indirect flight with WestJet, departs from John C. Munro Hamilton on Wed, 1 Oct, arriving in Denver International.Price includes taxes and charges.From 187 €, select.
London.240 € per passenger.Departing Sat, 18 Oct, returning Sat, 25 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Denver International on Sat, 18 Oct, arriving in London.Inbound indirect flight with Air Canada, departs from London on Sat, 25 Oct, arriving in Denver International.Price includes taxes and charges.From 240 €, select.
Ottawa.262 € per passenger.Departing Tue, 7 Oct, returning Thu, 16 Oct.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 7 Oct, arriving in Ottawa International.Inbound indirect flight with WestJet, departs from Ottawa International on Thu, 16 Oct, arriving in Denver International.Price includes taxes and charges.From 262 €, select.
Toronto.309 € per passenger.Departing Thu, 25 Sep, returning Wed, 1 Oct.Return flight with Air Canada.Outbound direct flight with Air Canada departs from Denver International on Thu, 25 Sep, arriving in Toronto Pearson International.Inbound direct flight with Air Canada departs from Toronto Pearson International on Wed, 1 Oct, arriving in Denver International.Price includes taxes and charges.From 309 €, select.
Windsor.591 € per passenger.Departing Sat, 1 Nov, returning Sat, 29 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Denver International on Sat, 1 Nov, arriving in Windsor.Inbound indirect flight with Air Canada, departs from Windsor on Sat, 29 Nov, arriving in Denver International.Price includes taxes and charges.From 591 €, select.

Flying from Denver to Ontario

Arm yourself with these facts on the fly.
Cheapest flight found187 €, Toronto
Cheapest month to flySeptember
Average flight time3 hrs, 12 mins
Cheapest airport to fly fromDenver International
Most popular airlineUnited

Frequently asked questions

We looked at all of the upcoming return flights from Denver to Ontario we could find over the next 12 months. It looks like 187 € is the best price. This is good, compared to the average Ontario ticket price of 318 €.
The cheapest month to fly from Denver to John C. Munro Hamilton Airport is usually September. The cheapest month to fly from Denver to Windsor Airport is usually November. The cheapest month to fly from Denver to Toronto Pearson International Airport is usually September. And the cheapest month to fly from Denver to London Airport is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Ontario on Thursday, 25 September 2025.
Denver International Airport offers direct flights to Ontario.
If you're flying from Denver, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is John C. Munro Hamilton.
The average flight time between Denver and Ontario is 3 hours and 12 minutes.