Find Cheap Flights from Ontario to San Diego (ONT - SAN)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Ontario to San Diego

(Round-trip)
Depart: Tue May 30 2017 Return: Fri Jun 2 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
12:45p
SAN
12:57a
12h 12m
2 stops
SAN
1:50a
ONT
8:30a
6h 40m
2 stops
Depart: Fri Jun 16 2017 Return: Sun Jun 18 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
3:35p
SAN
7:47a
16h 12m
1 stop
SAN
5:55a
ONT
7:55p
14h 00m
1 stop
Depart: Thu Jul 20 2017 Return: Sun Jul 23 2017 Trip spans 4 days
United
United
ONT
4:00a
SAN
11:39a
7h 39m
1 stop
SAN
2:18a
ONT
5:09p
14h 51m
1 stop
Depart: Tue Jul 4 2017 Return: Sat Jul 8 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
3:35p
SAN
2:17p
22h 42m
1 stop
SAN
12:45p
ONT
5:45p
5h 00m
1 stop
Depart: Wed Jun 28 2017 Return: Fri Jun 30 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
10:20p
SAN
3:57p
17h 37m
1 stop
SAN
10:30p
ONT
11:15a
12h 45m
1 stop
Depart: Fri Aug 4 2017 Return: Sun Aug 6 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
5:55a
SAN
4:49a
22h 54m
1 stop
SAN
4:40p
ONT
5:02a
12h 22m
1 stop
Depart: Thu Aug 3 2017 Return: Sat Aug 5 2017 Trip spans 3 days
Major Airline
Major Airline
ONT
10:20p
SAN
5:09a
6h 49m
2 stops
SAN
10:18p
ONT
2:18p
16h 00m
2 stops
Depart: Thu Jun 29 2017 Return: Sat Jul 1 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
8:45a
SAN
2:17p
5h 32m
1 stop
SAN
5:55a
ONT
5:02a
23h 07m
1 stop
Depart: Fri Apr 28 2017 Return: Sat May 6 2017 Trip spans 9 days
American Airlines
American Airlines
ONT
8:45a
SAN
7:19p
10h 34m
2 stops
SAN
5:55a
ONT
11:14a
5h 19m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

Ontario
$410
Destination

San Diego
$410