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

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 San Diego to Ontario

(Round-trip)
Depart: Tue Jun 6 2017 Return: Wed Jun 7 2017 Trip spans 2 days
Major Airline
Major Airline
SAN
6:05a
ONT
2:16p
8h 11m
2 stops
ONT
9:15a
SAN
3:57p
6h 42m
2 stops
Depart: Mon May 22 2017 Return: Tue May 23 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SAN
4:15p
ONT
7:23a
15h 08m
1 stop
ONT
4:45p
SAN
4:57a
12h 12m
1 stop
Depart: Thu Jun 1 2017 Return: Sun Jun 4 2017 Trip spans 4 days
American Airlines
American Airlines
SAN
12:45p
ONT
5:02a
16h 17m
1 stop
ONT
5:30p
SAN
2:17p
20h 47m
1 stop
Depart: Mon May 8 2017 Return: Tue May 23 2017 Trip spans 16 days
United
United
SAN
9:37a
ONT
2:40p
5h 03m
1 stop
ONT
3:10p
SAN
7:59p
4h 49m
1 stop
Depart: Thu Jun 15 2017 Return: Sat Jun 17 2017 Trip spans 3 days
American Airlines
American Airlines
SAN
3:25p
ONT
5:02a
13h 37m
1 stop
ONT
3:35p
SAN
4:49a
13h 14m
1 stop
Depart: Wed May 17 2017 Return: Fri May 19 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SAN
4:00a
ONT
12:30p
8h 30m
1 stop
ONT
4:45p
SAN
11:29a
18h 44m
1 stop
Depart: Mon Jun 12 2017 Return: Wed Jun 21 2017 Trip spans 10 days
American Airlines
American Airlines
SAN
8:45a
ONT
2:26p
5h 41m
1 stop
ONT
8:45a
SAN
2:17p
5h 32m
1 stop
Depart: Mon Jul 10 2017 Return: Sat Jul 29 2017 Trip spans 20 days
American Airlines
American Airlines
SAN
12:45p
ONT
5:45p
5h 00m
1 stop
ONT
12:30p
SAN
5:32p
5h 02m
1 stop
Depart: Mon Jul 31 2017 Return: Sat Aug 5 2017 Trip spans 6 days
American Airlines
American Airlines
SAN
12:45p
ONT
5:45p
5h 00m
1 stop
ONT
5:55a
SAN
11:12a
5h 17m
1 stop
Depart: Tue May 9 2017 Return: Tue May 23 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
SAN
7:30a
ONT
6:15p
10h 45m
1 stop
ONT
4:45p
SAN
4:57a
12h 12m
1 stop
Depart: Wed May 10 2017 Return: Tue May 23 2017 Trip spans 14 days
Alaska Airlines
Alaska Airlines
SAN
4:00a
ONT
12:30p
8h 30m
1 stop
ONT
4:45p
SAN
4:57a
12h 12m
1 stop
Depart: Fri May 5 2017 Return: Mon May 8 2017 Trip spans 4 days
American Airlines
American Airlines
SAN
5:55a
ONT
11:14a
29h 19m
1 stop
ONT
12:30p
SAN
5:31p
5h 01m
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

San Diego
$375
Destination

Ontario
$375