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>

C$ 192 CHEAP FLIGHTS from Ontario to San Diego

SAN

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Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to San Diego

KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to San Diego.

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

Choose your dates

9:30 a.m. - 11:53 a.m.YYZ-SAN

5h 23mdirect

12:55 p.m. - 8:48 p.m.SAN-YYZ

4h 53mdirect

C$ 327Air Canada

Find Deal

vie., 9 may. - lun., 12 may.

7:00 a.m. - 11:57 a.m.YYZ-SAN

7h 57m1 stop

6:51 p.m. - 6:20 a.m.SAN-YYZ

8h 29m1 stop

C$ 332

Find Deal

mié., 11 jun. - mié., 18 jun.

6:00 a.m. - 1:20 p.m.YKF-SAN

10h 20m1 stop

11:15 a.m. - 12:46 a.m.SAN-YKF

10h 31m1 stop

C$ 335WestJet

Find Deal

jue., 10 jul. - dom., 20 jul.

6:30 a.m. - 1:20 p.m.YYZ-SAN

9h 50m1 stop

2:05 p.m. - 5:51 a.m.SAN-YYZ

12h 46m2 stops

C$ 339WestJet

Find Deal

vie., 6 jun. - sáb., 7 jun.

9:30 a.m. - 11:53 a.m.YYZ-SAN

5h 23mdirect

9:10 p.m. - 9:19 a.m.SAN-YYZ

9h 09m1 stop

C$ 363United Airlines

Find Deal

sáb., 31 may. - dom., 1 jun.

4:45 p.m. - 7:45 p.m.YUL-SAN

6h 00mdirect

6:28 p.m. - 9:23 a.m.SAN-YUL

11h 55m2 stops

C$ 375United Airlines

Find Deal

jue., 12 jun. - sáb., 14 jun.

1:25 p.m. - 6:02 p.m.YYZ-SAN

7h 37m1 stop

6:15 a.m. - 4:40 p.m.SAN-YYZ

7h 25m1 stop

C$ 377Delta

Find Deal

jue., 8 may. - sáb., 10 may.

6:30 a.m. - 12:56 p.m.YYZ-SAN

9h 26m1 stop

10:00 p.m. - 8:58 a.m.SAN-YYZ

7h 58m1 stop

C$ 378Delta

Find Deal

dom., 11 may. - dom., 25 may.

10:45 a.m. - 12:55 p.m.YYZ-SAN

5h 10mdirect

1:55 p.m. - 9:45 p.m.SAN-YYZ

4h 50mdirect

C$ 384Porter Airlines

Find Deal

vie., 4 jul. - dom., 6 jul.

10:45 a.m. - 12:55 p.m.YYZ-SAN

5h 10mdirect

1:55 p.m. - 9:45 p.m.SAN-YYZ

4h 50mdirect

C$ 393Porter Airlines

Find Deal

mié., 7 may. - lun., 12 may.

Low season	September
High season	August
Cheapest flight	C$ 192

Best time to beat the crowds (7% less expensive on average)

Most popular time to fly (5% more expensive on average)

Flight from Toronto Region of Waterloo Intl 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.

See more FAQs

Coronado

Chula Vista

El Cajon

Borrego Springs

Lemon Grove

La Mesa

National City

Alpine

San Ysidro

Imperial Beach

Poway

Santee

Julian

Everything you need to know for your flight to San Diego

SAN

C$ 192 Find Cheap Flights from Ontario to San Diego

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Diego departing on 14/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

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

Cheap Flight Deals 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

Low season

High season

Cheapest flight

FAQs for booking flights from Ontario to San Diego

How does KAYAK find such low prices 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?

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

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

Travelling 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

Cabin classes available on flights to San Diego. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to San Diego

Flights from all regions of Ontario to San Diego. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in San Diego

Find deals for your return flight