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>

$160 CHEAP FLIGHTS from Ontario to San Diego

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

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Flight Deals

Cheap Flights from Ontario to San Diego

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

Tue, Sep 8 - Mon, Sep 21

12:30 pm - 8:36 pm

YTZ

SAN

11h 06m

1 stop

7:00 am - 7:50 pm

SAN

YTZ

9h 50m

1 stop

$291Air Canada

Mon, Sep 21 - Mon, Sep 28

5:45 pm - 8:36 pm

YUL

SAN

5h 51mnonstop

7:00 am - 3:27 pm

SAN

YUL

5h 27mnonstop

$301Air Canada

Sun, Sep 27 - Sat, Oct 3

5:45 pm - 8:36 pm

YUL

SAN

5h 51mnonstop

7:00 am - 3:27 pm

SAN

YUL

5h 27mnonstop

$304Air Canada

Mon, Sep 21 - Mon, Sep 28

7:15 am - 2:10 pm

YUL

SAN

9h 55m

1 stop

3:30 pm - 7:05 am

SAN

YUL

12h 35m

1 stop

$315WestJet

Wed, May 20 - Tue, May 26

6:10 am - 2:10 pm

YYZ

SAN

11h 00m

2 stops

3:30 pm - 5:45 am

SAN

YYZ

11h 15m

1 stop

$315WestJet

Wed, May 20 - Wed, May 27

6:15 am - 6:39 pm

YYZ

SAN

15h 24m

2 stops

10:07 pm - 11:54 pm

SAN

YYZ

22h 47m

1 stop

$321Multiple Airlines

Sat, Sep 26 - Sat, Oct 3

7:55 am - 8:34 pm

YUL

SAN

15h 39m

1 stop

11:00 pm - 11:15 am

SAN

YUL

9h 15m

1 stop

$328American Airlines

Fri, Sep 4 - Sat, Sep 5

9:45 am - 7:55 pm

YUL

SAN

13h 10m

2 stops

4:08 pm - 10:40 am

SAN

YUL

15h 32m

1 stop

$330United Airlines

Fri, Jun 12 - Tue, Jun 16

7:00 am - 2:10 pm

YYZ

SAN

10h 10m

1 stop

9:53 pm - 1:05 am

SAN

YYZ

24h 12m

2 stops

$333Multiple Airlines

Wed, Sep 9 - Mon, Sep 21

12:15 pm - 6:30 pm

YTZ

SAN

9h 15m

1 stop

6:40 am - 4:41 pm

SAN

YTZ

7h 01m

1 stop

$366United Airlines

Useful Info

Low season	October
High season	June
Cheapest flight	$160

Best time to beat the crowds but there is an average 24% increase in price.

Most popular time to fly and prices are also 12% lower on average.

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

National City

Borrego Springs

Poway

Alpine

Lemon Grove

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)

$160 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

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