Cheap Flights from San Diego to Ontario from HK$1,516 Return

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$1,516 per passenger.Departing Wed, 9 Apr, returning Mon, 14 Apr.Return flight with Spirit Airlines and WestJet.Outbound indirect flight with Spirit Airlines, departs from San Diego International on Wed, 9 Apr, arriving in Toronto Pearson International.Inbound indirect flight with WestJet, departs from Toronto Pearson International on Mon, 14 Apr, arriving in San Diego International.Price includes taxes and charges.From HK$1,516, select.

Ottawa.HK$2,401 per passenger.Departing Wed, 28 May, returning Sun, 15 Jun.Return flight with Porter Airlines (Canada) Ltd.Outbound indirect flight with Porter Airlines (Canada) Ltd, departs from San Diego International on Wed, 28 May, arriving in Ottawa International.Inbound indirect flight with Porter Airlines (Canada) Ltd, departs from Ottawa International on Sun, 15 Jun, arriving in San Diego International.Price includes taxes and charges.From HK$2,401, select.

Windsor.HK$3,066 per passenger.Departing Tue, 20 May, returning Sat, 24 May.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from San Diego International on Tue, 20 May, arriving in Windsor.Inbound indirect flight with Air Canada, departs from Windsor on Sat, 24 May, arriving in San Diego International.Price includes taxes and charges.From HK$3,066, select.

London.HK$3,458 per passenger.Departing Wed, 25 Jun, returning Mon, 30 Jun.Return flight with WestJet.Outbound indirect flight with WestJet, departs from San Diego International on Wed, 25 Jun, arriving in London.Inbound indirect flight with WestJet, departs from London on Mon, 30 Jun, arriving in San Diego International.Price includes taxes and charges.From HK$3,458, select.

Sault Ste Marie.HK$7,103 per passenger.Departing Sat, 5 Apr, returning Wed, 9 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from San Diego International on Sat, 5 Apr, arriving in Sault Ste Marie.Inbound indirect flight with Air Canada, departs from Sault Ste Marie on Wed, 9 Apr, arriving in San Diego International.Price includes taxes and charges.From HK$7,103, select.

Flying from San Diego to Ontario

Arm yourself with these facts on the fly.

Cheapest flight found	HK$1,516, Toronto
Cheapest month to fly	April
Average flight time	4 hrs, 52 mins
Cheapest airport to fly from	San Diego International
Most popular airline	Air Canada

How to find cheap flights from San Diego 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 to Ontario. Other savvy travellers recently found return flights from HK$1,516 and one-way tickets from HK$505 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from San Diego International into Toronto

At the moment, the lowest priced flight tickets to Ontario are from San Diego International Airport to Toronto Pearson International Airport.

Fly in April

We crunched the flight calendar and found the cheapest time to fly from San Diego to Ontario is currently April.

Fly on a Friday

From our data, we can see that Friday seems to be the cheapest time to fly from San Diego to Ontario.

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 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 to 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 San Diego to Ontario flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average San Diego to Ontario flight price?

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$1,516 is the best price. This is good, compared to the average Ontario ticket price of HK$3,252.

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

The cheapest month to fly from San Diego to London Airport is usually June. The cheapest month to fly from San Diego to Windsor Airport is usually May. The cheapest month to fly from San Diego to Toronto Pearson International Airport is usually April. And the cheapest month to fly from San Diego to Sault Ste Marie Airport is usually April.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Diego to Ontario on Wednesday, 9 April 2025.

Are there any direct flights from San Diego to Ontario?

San Diego International Airport offers direct flights to Ontario.

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

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.