Flights from Chicago O'Hare International Airport to Ontario

Flight deals from Chicago O'Hare International Airport to Ontario

Looking for cheap tickets from Chicago O'Hare International Airport to Ontario, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Toronto.CHF 141 per passenger.Departing Tue, 3 Feb, returning Tue, 10 Feb.Return flight with Spirit Airlines and WestJet.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Tue, 3 Feb, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departs from Toronto Pearson International on Tue, 10 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From CHF 141, select.

Ottawa.CHF 211 per passenger.Departing Wed, 4 Feb, returning Wed, 11 Feb.Return flight with Spirit Airlines and Porter Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Wed, 4 Feb, arriving in Ottawa International.Inbound indirect flight with Porter Airlines, departs from Ottawa International on Wed, 11 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From CHF 211, select.

Thunder Bay.CHF 313 per passenger.Departing Tue, 3 Feb, returning Tue, 10 Feb.Return flight with Spirit Airlines and Porter Airlines.Outbound indirect flight with Spirit Airlines, departs from Chicago O'Hare International on Tue, 3 Feb, arriving in Thunder Bay.Inbound indirect flight with Porter Airlines, departs from Thunder Bay on Tue, 10 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From CHF 313, select.

London.CHF 363 per passenger.Departing Tue, 3 Feb, returning Tue, 10 Feb.Return flight with Frontier Airlines and WestJet.Outbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Tue, 3 Feb, arriving in London.Inbound indirect flight with WestJet, departs from London on Tue, 10 Feb, arriving in Chicago O'Hare International.Price includes taxes and charges.From CHF 363, select.

Windsor.CHF 381 per passenger.Departing Thu, 15 Jan, returning Thu, 22 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Chicago O'Hare International on Thu, 15 Jan, arriving in Windsor.Inbound indirect flight with Air Canada, departs from Windsor on Thu, 22 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From CHF 381, select.

Timmins.CHF 690 per passenger.Departing Thu, 1 Jan, returning Sun, 4 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Chicago O'Hare International on Thu, 1 Jan, arriving in Timmins.Inbound indirect flight with Air Canada, departs from Timmins on Sun, 4 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From CHF 690, select.

Sault Ste Marie.CHF 696 per passenger.Departing Fri, 26 Dec, returning Thu, 1 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Chicago O'Hare International on Fri, 26 Dec, arriving in Sault Ste Marie.Inbound indirect flight with Air Canada, departs from Sault Ste Marie on Thu, 1 Jan, arriving in Chicago O'Hare International.Price includes taxes and charges.From CHF 696, select.

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Flying from Chicago O'Hare International Airport to Ontario

Arm yourself with these facts on the fly.

Cheapest flight found	CHF 141
Cheapest month to fly	February
Average flight time	1 hr, 53 mins
Average flights per week	1,115
Most popular airline	United

How to find cheap flights from Chicago O'Hare International Airport to Ontario

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Chicago O'Hare International Airport to Ontario. Other savvy travellers recently found return flights from CHF 141 and one-way tickets from CHF 36. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in February

The cheapest time to fly from Chicago O'Hare International Airport to Ontario is currently February.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Chicago O'Hare International Airport to anywhere you choose in Ontario.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Chicago O'Hare International Airport to your chosen airport in Ontario go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Ontario Airport to Ontario flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Chicago O'Hare International Airport to Ontario?

Yes - direct flights currently operate from Chicago O'Hare International Airport to Toronto Pearson International Airport and Ottawa International Airport in Ontario.

Which other Chicago airports offer direct flights to Ontario?

Chicago Midway Airport offers direct flights to Ontario.

What is the average price of a flight from Chicago O'Hare International Airport to Ontario?

We looked at all of the upcoming return flights from Chicago O'Hare International Airport to Ontario we could find over the next 12 months. It looks like CHF 141 is the best price. This is good, compared to the average Ontario ticket price of CHF 399.

What is the cheapest month to fly from Chicago O'Hare International Airport to Ontario?

The cheapest month to fly from Chicago O'Hare International Airport to Ottawa International Airport is currently February.
The cheapest month to fly from Chicago O'Hare International Airport to Sault Ste Marie Airport is currently December.
The cheapest month to fly from Chicago O'Hare International Airport to Timmins Airport is currently January.
And the cheapest month to fly from Chicago O'Hare International Airport to London Airport is usually February.

Which upcoming date is cheapest to fly from Chicago O'Hare International Airport to Ontario on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago O'Hare International Airport to Ontario on Tuesday, 3 February 2026.

If I'm flying from Chicago O'Hare International Airport, where in Ontario is cheapest to fly into?

If you're flying from Chicago O'Hare International, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Pearson International.