Flights from San Diego International Airport to Ontario

Flight deals from San Diego International Airport to Ontario

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

Toronto.R 1,297 per passenger.Departing Tue, 14 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Tue, 14 Apr, arriving in Toronto Pearson International.Price includes taxes and charges.From R 1,297, select.

Ottawa.R 2,512 per passenger.Departing Sat, 14 Mar.One-way flight with United.Outbound indirect flight with United, departs from San Diego International on Sat, 14 Mar, arriving in Ottawa International.Price includes taxes and charges.From R 2,512, select.

Windsor.R 3,983 per passenger.Departing Tue, 7 Apr.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from San Diego International on Tue, 7 Apr, arriving in Windsor.Price includes taxes and charges.From R 3,983, select.

London.R 7,337 per passenger.Departing Fri, 27 Feb.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from San Diego International on Fri, 27 Feb, arriving in London.Price includes taxes and charges.From R 7,337, select.

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Flying from San Diego International Airport to Ontario

Arm yourself with these facts on the fly.

Cheapest flight found	R 1,301
Cheapest month to fly	April
Average flight time	4 hrs, 56 mins
Average flights per week	25
Most popular airline	Air Canada

How to find cheap flights from San Diego 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 San Diego International Airport to Ontario. Other savvy travellers recently found return flights from R 3,603 and one-way tickets from R 1,301. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in April

The cheapest time to fly from San Diego International Airport to Ontario is currently April.

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 San Diego 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 San Diego 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 San Diego International Airport to Ontario?

Yes - direct flights currently operate from San Diego International Airport to Toronto Pearson International Airport in Ontario.

What is the average price of a flight from San Diego International Airport to Ontario?

We looked at all of the upcoming return flights from San Diego International Airport to Ontario we could find over the next 12 months. It looks like R 3,603 is the best price. This is good, compared to the average Ontario ticket price of R 8,438.

What is the cheapest month to fly from San Diego International Airport to Ontario?

The cheapest month to fly from San Diego International Airport to Toronto Pearson International Airport is currently April.
The cheapest month to fly from San Diego International Airport to London Airport is currently April.
The cheapest month to fly from San Diego International Airport to Ottawa International Airport is currently June.
And the cheapest month to fly from San Diego International Airport to Sudbury Airport is usually June.

Which upcoming date is cheapest to fly from San Diego International Airport to Ontario on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego International Airport to Ontario on Wednesday, 15 April 2026.

If I'm flying from San Diego International Airport, where in Ontario is cheapest to fly into?

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