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Flights from San Diego to Ontario

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Flight deals from San Diego to Ontario

Looking for cheap tickets from San Diego to Ontario, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.
Toronto.HK$1,955 per passenger.Departing Wed, 14 May, returning Tue, 20 May.Return flight with Frontier Airlines and Porter Airlines (Canada) Ltd.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Wed, 14 May, arriving in Toronto Pearson International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Toronto Pearson International on Tue, 20 May, arriving in San Diego International.Price includes taxes and charges.From HK$1,955, select.
Ottawa.HK$2,613 per passenger.Departing Wed, 11 Jun, returning Wed, 18 Jun.Return flight with Frontier Airlines and Porter Airlines (Canada) Ltd.Outbound indirect flight with Frontier Airlines, departs from San Diego International on Wed, 11 Jun, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Wed, 18 Jun, arriving in San Diego International.Price includes taxes and charges.From HK$2,613, select.
London.HK$3,463 per passenger.Departing Sun, 24 Aug, returning Sun, 21 Sep.Return flight with WestJet.Outbound indirect flight with WestJet, departs from San Diego International on Sun, 24 Aug, arriving in London.Inbound indirect flight with WestJet, departs from London on Sun, 21 Sep, arriving in San Diego International.Price includes taxes and charges.From HK$3,463, select.
Thunder Bay.HK$4,310 per passenger.Departing Thu, 18 Dec, returning Sun, 18 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from San Diego International on Thu, 18 Dec, arriving in Thunder Bay.Inbound indirect flight with Air Canada, departs from Thunder Bay on Sun, 18 Jan, arriving in San Diego International.Price includes taxes and charges.From HK$4,310, select.
Windsor.HK$4,778 per passenger.Departing Thu, 5 Jun, returning Sat, 14 Jun.Return flight with WestJet and Porter Airlines (Canada) Ltd.Outbound indirect flight with WestJet, departs from San Diego International on Thu, 5 Jun, arriving in Windsor.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Windsor on Sat, 14 Jun, arriving in San Diego International.Price includes taxes and charges.From HK$4,778, select.
Sudbury.HK$7,144 per passenger.Departing Fri, 13 Jun, returning Fri, 20 Jun.Return flight with Hawaiian Airlines and Porter Airlines (Canada) Ltd.Outbound indirect flight with Hawaiian Airlines, departs from San Diego International on Fri, 13 Jun, arriving in Sudbury.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Sudbury on Fri, 20 Jun, arriving in San Diego International.Price includes taxes and charges.From HK$7,144, select.

Flying from San Diego to Ontario

Arm yourself with these facts on the fly.
Cheapest flight foundHK$1,955, Toronto
Cheapest month to flyMay
Average flight time4 hrs, 53 mins
Cheapest airport to fly fromSan Diego International
Most popular airlineAir Canada

Frequently asked questions

We looked at all of the upcoming return flights from San Diego to Ontario we could find over the next 12 months. It looks like HK$1,955 is the best price. This is good, compared to the average Ontario ticket price of HK$3,480.
The cheapest month to fly from San Diego to Sudbury Airport is usually June. The cheapest month to fly from San Diego to Windsor Airport is usually June. The cheapest month to fly from San Diego to London Airport is usually August. And the cheapest month to fly from San Diego to Ottawa International Airport is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Ontario on Wednesday, 14 May 2025.
San Diego International Airport offers direct flights to Ontario.
If you're flying from San Diego, the cheapest city in Ontario to fly into is Toronto. The cheapest airport serving Toronto at the moment is Toronto Pearson International.
The average flight time between San Diego and Ontario is 4 hours and 53 minutes.

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