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$ 206 CHEAP FLIGHTS from Ontario to San Diego

SAN

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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

Sun, 2 Nov - Thu, 6 Nov

9:00 a.m. - 11:38 a.m.YYZ-SAN

5h 38mdirect

12:25 p.m. - 8:16 p.m.SAN-YYZ

4h 51mdirect

C$ 381Air Canada

Find Deal

Wed, 1 Oct - Wed, 8 Oct

10:05 a.m. - 12:33 p.m.YYZ-SAN

29h 28m1 stop

8:00 a.m. - 7:58 p.m.SAN-YYZ

8h 58m1 stop

C$ 382

Find Deal

Wed, 1 Oct - Thu, 2 Oct

10:00 a.m. - 11:34 p.m.YYZ-SAN

16h 34m3 stops

6:15 a.m. - 5:51 a.m.SAN-YYZ

20h 36m3 stops

C$ 385

Find Deal

Sat, 4 Oct - Sat, 11 Oct

12:00 p.m. - 7:35 p.m.YYZ-SAN

10h 35m1 stop

8:10 a.m. - 9:39 p.m.SAN-YYZ

10h 29m1 stop

C$ 395Air Canada

Find Deal

Tue, 11 Nov - Mon, 24 Nov

10:15 p.m. - 11:45 a.m.YYZ-SAN

16h 30m2 stops

12:35 p.m. - 5:58 a.m.SAN-YYZ

14h 23m2 stops

C$ 409WestJet

Find Deal

Sat, 4 Oct - Wed, 8 Oct

11:49 a.m. - 5:44 p.m.YYZ-SAN

8h 55m1 stop

6:20 a.m. - 5:19 p.m.SAN-YYZ

7h 59m1 stop

C$ 416American Airlines

Find Deal

Thu, 30 Oct - Mon, 3 Nov

7:29 a.m. - 6:06 p.m.YUL-SAN

13h 37m1 stop

10:23 p.m. - 1:46 p.m.SAN-YUL

12h 23m1 stop

C$ 420American Airlines

Find Deal

Thu, 16 Oct - Tue, 21 Oct

1:20 p.m. - 11:14 p.m.YYZ-SAN

12h 54m1 stop

10:10 p.m. - 11:21 a.m.SAN-YYZ

10h 11m1 stop

C$ 420Delta

Find Deal

Sun, 1 Mar - Wed, 4 Mar

6:30 p.m. - 11:47 a.m.YYZ-SAN

20h 17m1 stop

12:35 p.m. - 12:26 a.m.SAN-YYZ

8h 51m1 stop

C$ 443WestJet

Find Deal

Tue, 23 Sep - Wed, 1 Oct

12:47 p.m. - 7:27 p.m.YUL-SAN

9h 40m1 stop

6:15 a.m. - 5:50 p.m.SAN-YUL

8h 35m1 stop

C$ 443Delta

Find Deal

Cheapest round-trip

C$ 381

Overall average: C$ 542

Air Canada

Sun 2/11Thu 6/11

YYZ - SAN • Direct

Cheapest one-way flights

C$ 206

Typical prices: C$ 321-937

Multiple Airlines

Wed 8/10

YUL - SAN • 3 stops

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We hope you love your trip to San Diego!

Useful Info

Low season	June
High season	December
Cheapest flight	C$ 206

Best time to beat the crowds (14% less expensive on average)

Most popular time to fly (24% more expensive on average)

Flight from Montreal 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.

Coronado

Chula Vista

Borrego Springs

El Cajon

La Mesa

National City

Lemon Grove

Imperial Beach

Alpine

San Ysidro

Poway

Santee

Julian

Everything you need to know for your flight to San Diego

Airports

Cabin class

Complete your trip

Flights to other cities

Origins

Other airports

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

San Diego (SAN)

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SAN

C$ 206 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.

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

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

Flights to other popular destinations

Flights from domestic origins to San Diego

Choose which airport to fly into in San Diego