Find Cheap Flights from San Jose to Ontario (SJC - 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from San Jose to Ontario

(Round-trip)
Depart: Thu Sep 14 2017 Return: Sat Sep 16 2017 Trip spans 3 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:49a
5h 49m
1 stop
ONT
12:00a
SJC
5:51a
5h 51m
1 stop
Depart: Sat Nov 4 2017 Return: Mon Nov 6 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SJC
12:00a
ONT
9:08p
21h 08m
1 stop
ONT
12:00a
SJC
10:55p
22h 55m
1 stop
Depart: Thu Aug 3 2017 Return: Fri Aug 4 2017 Trip spans 2 days
United
United
SJC
12:00a
ONT
12:34p
12h 34m
1 stop
ONT
12:00a
SJC
3:18p
15h 18m
1 stop
Depart: Wed Oct 4 2017 Return: Sat Oct 7 2017 Trip spans 4 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:49a
5h 49m
1 stop
ONT
12:00a
SJC
5:31a
5h 31m
1 stop
Depart: Tue Oct 31 2017 Return: Wed Nov 1 2017 Trip spans 2 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:49a
5h 49m
1 stop
ONT
12:00a
SJC
5:31a
5h 31m
1 stop
Depart: Mon Aug 28 2017 Return: Tue Aug 29 2017 Trip spans 2 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:49a
5h 49m
1 stop
ONT
12:00a
SJC
5:51a
5h 51m
1 stop
Depart: Wed Sep 20 2017 Return: Fri Sep 22 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SJC
12:00a
ONT
1:25p
13h 25m
1 stop
ONT
12:00a
SJC
11:58a
11h 58m
1 stop
Depart: Thu Oct 5 2017 Return: Sat Oct 7 2017 Trip spans 3 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:49a
5h 49m
1 stop
ONT
12:00a
SJC
5:51a
5h 51m
1 stop
Depart: Fri Nov 3 2017 Return: Mon Nov 6 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SJC
12:00a
ONT
8:44p
20h 44m
1 stop
ONT
12:00a
SJC
3:30p
15h 30m
1 stop
Depart: Wed Nov 1 2017 Return: Fri Nov 3 2017 Trip spans 3 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:49a
5h 49m
1 stop
ONT
12:00a
SJC
5:31a
5h 31m
1 stop
Depart: Mon Aug 7 2017 Return: Tue Aug 8 2017 Trip spans 2 days
United
United
SJC
12:00a
ONT
12:34p
12h 34m
1 stop
ONT
12:00a
SJC
3:25p
15h 25m
1 stop
Depart: Wed Sep 6 2017 Return: Fri Sep 8 2017 Trip spans 3 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:49a
5h 49m
1 stop
ONT
12:00a
SJC
5:51a
5h 51m
1 stop
Depart: Tue Aug 29 2017 Return: Wed Aug 30 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SJC
12:00a
ONT
5:42a
5h 42m
1 stop
ONT
12:00a
SJC
6:17a
6h 17m
1 stop
Depart: Thu Aug 3 2017 Return: Wed Aug 9 2017 Trip spans 7 days
United
United
SJC
12:00a
ONT
12:34p
12h 34m
1 stop
ONT
12:00a
SJC
3:18p
15h 18m
1 stop
Depart: Thu Oct 26 2017 Return: Sat Oct 28 2017 Trip spans 3 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:49a
5h 49m
1 stop
ONT
12:00a
SJC
5:31a
5h 31m
1 stop
Depart: Fri Aug 4 2017 Return: Mon Aug 7 2017 Trip spans 4 days
United
United
SJC
12:00a
ONT
12:30p
12h 30m
1 stop
ONT
12:00a
SJC
11:28p
23h 28m
1 stop
Depart: Tue Sep 5 2017 Return: Thu Sep 7 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
SJC
12:00a
ONT
5:41a
5h 41m
1 stop
ONT
12:00a
SJC
5:46a
5h 46m
1 stop
Depart: Wed Oct 4 2017 Return: Fri Oct 6 2017 Trip spans 3 days
American Airlines
American Airlines
SJC
12:00a
ONT
5:42a
5h 42m
1 stop
ONT
12:00a
SJC
1:53p
13h 53m
1 stop
Depart: Tue Aug 22 2017 Return: Fri Aug 25 2017 Trip spans 4 days
United
United
SJC
12:00a
ONT
11:34p
23h 34m
2 stops
ONT
12:00a
SJC
3:15p
15h 15m
1 stop
Depart: Sat Sep 16 2017 Return: Sun Sep 17 2017 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SJC
12:00a
ONT
7:01a
7h 01m
1 stop
ONT
12:00a
SJC
11:37p
23h 37m
1 stop
Select an airline:  Southwest
Direct flights SJC to ONT on Southwest
Flight # Depart SJC Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
1408 6:30 am 7:50 am Aug 16 - Sep 1
1449 6:30 am 7:40 am Jul 24 - Aug 14
6083 8:35 am 9:45 am Aug 19 - Sep 23
4894 8:55 am 10:05 am Jul 23 - Aug 13
2289 9:20 am 10:30 am Jul 22 - Aug 12
4202 10:15 am 11:25 am Aug 20 - Aug 27
6306 11:15 am 12:25 pm Aug 15 - Sep 29
3552 12:25 pm 1:35 pm Jul 23 - Aug 13
466 1:15 pm 2:25 pm Jul 24 - Aug 14
4607 2:10 pm 3:20 pm Aug 20 - Aug 27
4312 3:15 pm 4:25 pm Aug 19 - Aug 26
4183 4:15 pm 5:25 pm Aug 20 - Aug 27
6309 4:20 pm 5:30 pm Aug 15 - Sep 29
3302 4:55 pm 6:05 pm Jul 24 - Aug 14
3333 5:55 pm 7:05 pm Jul 22 - Aug 12
3233 6:10 pm 7:20 pm Jul 23 - Aug 13
5575 8:15 pm 9:25 pm Aug 15 - Sep 29
4059 9:00 pm 10:10 pm Aug 20 - Aug 27
5246 9:20 pm 10:30 pm Jul 23 - Aug 14
* 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.

We compile tonnes of data for you
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

San Jose
$242
Destination

Ontario
$242