How does KAYAK find such low prices on flights from Ontario to San Diego?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to San Diego. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to San Diego?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Ontario is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Ontario to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Ontario with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to San Diego?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$149 CHEAP FLIGHTS from Ontario to San Diego

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Flight Deals

Cheap Flights from Ontario to San Diego

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to San Diego that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to San Diego

Fri, Dec 12 - Thu, Dec 18

9:35 am - 4:20 pmYYZ-SAN

9h 45m1 stop

1:06 pm - 6:20 amSAN-YYZ

14h 14m1 stop

$307Multiple Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

9:35 am - 8:18 pmYYZ-SAN

13h 43m1 stop

2:02 pm - 8:38 amSAN-YYZ

15h 36m2 stops

$310Multiple Airlines

Find Deal

Tue, Dec 2 - Mon, Dec 8

6:00 am - 2:18 pmYYZ-SAN

11h 18m1 stop

6:15 am - 9:29 pmSAN-YYZ

12h 14m1 stop

$322American Airlines

Find Deal

Fri, Dec 5 - Sat, Dec 13

6:00 am - 2:16 pmYYZ-SAN

11h 16m1 stop

6:15 am - 9:29 pmSAN-YYZ

12h 14m1 stop

$332American Airlines

Find Deal

Sat, Feb 21 - Mon, Mar 2

7:00 pm - 11:47 amYKF-SAN

19h 47m1 stop

12:35 pm - 5:29 amSAN-YKF

13h 54m1 stop

$336WestJet

Find Deal

Thu, Jan 22 - Wed, Jan 28

6:10 pm - 11:45 amYHM-SAN

20h 35m1 stop

12:35 pm - 5:17 pmSAN-YHM

25h 42m1 stop

$356WestJet

Find Deal

Wed, Jan 14 - Sat, May 2

2:40 pm - 8:53 pmYUL-SAN

9h 13m1 stop

8:50 am - 11:34 pmSAN-YUL

11h 44m1 stop

$380Delta

Find Deal

Tue, Feb 24 - Mon, Mar 9

3:00 pm - 8:35 pmYUL-SAN

8h 35m1 stop

9:40 pm - 11:44 amSAN-YUL

11h 04m1 stop

$381Delta

Find Deal

Thu, Feb 5 - Thu, Feb 5

7:00 am - 4:36 pmYUL-SAN

12h 36m2 stops

6:55 pm - 3:16 pmSAN-YUL

17h 21m2 stops

$390United Airlines

Find Deal

Thu, Jan 22 - Sat, Feb 14

9:15 am - 6:34 pmYUL-SAN

12h 19m2 stops

6:30 am - 7:48 pmSAN-YUL

10h 18m2 stops

$395United Airlines

Find Deal

Cheapest round-trip

$307

Overall average: $433

Multiple Airlines

Fri 12/12Thu 12/18

YYZ - SAN • 1 stop

Cheapest non-stop

$378

Typical prices: $218-$354

Air Canada

Mon 2/9Thu 2/12

YYZ - SAN • Non-stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to San Diego!

Useful Info

Low season	September
High season	December
Cheapest flight	$149

Best time to beat the crowds but there is an average 10% increase in price.

Most popular time to fly with an average 2% increase in price.

Flight from Toronto Pearson Airport to San Diego

How does KAYAK find such low prices on flights from Ontario to San Diego?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to San Diego.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to San Diego?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to San Diego?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to San Diego?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Julian

Lemon Grove

National City

Borrego Springs

Poway

Alpine

Santee

Everything you need to know for your flight to San Diego

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in San Diego

San Diego (SAN)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

$149 Find Cheap Flights from Ontario to San Diego

KAYAK searches hundreds of travel sites at once for deals on flights to San Diego

Cheap Flights from Ontario to San Diego

Recent round-trip flight deals from Ontario to San Diego

Recent one-way flight deals from Ontario to San Diego

Recent last minute flight deals from Ontario to San Diego

Recent direct flight deals from Ontario to San Diego

Everything you should know

Good to know

FAQs for booking flights from Ontario to San Diego

How does KAYAK find such low prices on flights from Ontario to San Diego?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to San Diego.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to San Diego?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Diego from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to San Diego?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Diego with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to San Diego?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Diego from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Diego?

Everything you need to know for your flight to San Diego

Information on the airport you'll fly into in San Diego

Cabin class types available on flights to Ontario

Complete your trip to San Diego with a hotel stay or car rental

Find direct flights for San Diego

Flights to other popular destinations

Flights from domestic origins to San Diego

Choose which airport to fly into in San Diego

Find deals for your return flight