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 Sep 19 2017 Return: Sat Sep 23 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
ONT
7:25a
SAN
6:22p
10h 57m
1 stop
SAN
2:30a
ONT
3:45p
13h 15m
1 stop
Depart: Sun Jul 9 2017 Return: Thu Jul 20 2017 Trip spans 12 days
American Airlines
American Airlines
ONT
3:35p
SAN
8:03p
4h 28m
1 stop
SAN
2:20a
ONT
7:42a
5h 22m
1 stop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ONT
7:25a
SAN
6:22p
10h 57m
1 stop
SAN
2:30a
ONT
3:45p
13h 15m
1 stop
Depart: Mon Sep 18 2017 Return: Sat Sep 23 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
ONT
4:25p
SAN
10:27a
18h 02m
1 stop
SAN
2:30a
ONT
3:45p
13h 15m
1 stop
Depart: Fri Sep 15 2017 Return: Sat Sep 23 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
ONT
4:25p
SAN
5:02a
12h 37m
1 stop
SAN
2:30a
ONT
3:45p
13h 15m
1 stop
Depart: Wed Sep 20 2017 Return: Sat Sep 23 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
2:05a
SAN
2:33p
12h 28m
1 stop
SAN
2:30a
ONT
3:45p
13h 15m
1 stop
Depart: Thu Sep 21 2017 Return: Sat Sep 23 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
2:05a
SAN
7:58p
17h 53m
1 stop
SAN
2:30a
ONT
3:45p
13h 15m
1 stop
Depart: Sun Sep 17 2017 Return: Sat Sep 23 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
ONT
4:25p
SAN
5:05a
12h 40m
1 stop
SAN
2:30a
ONT
3:45p
13h 15m
1 stop
Depart: Tue Jun 27 2017 Return: Wed Jul 5 2017 Trip spans 9 days
American Airlines
American Airlines
ONT
12:30p
SAN
5:32p
29h 02m
1 stop
SAN
8:45a
ONT
11:47a
3h 02m
1 stop
Depart: Sat Jun 24 2017 Return: Sun Jun 25 2017 Trip spans 2 days
$2004
Select
Alaska Airlines
Alaska Airlines
ONT
1:15p
SAN
7:57p
6h 42m
1 stop
SAN
9:39a
ONT
3:15p
5h 36m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Ontario
$312
Destination

San Diego
$312