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Find Deals on Flights from Ontario to San Francisco (ONT - SFO)

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

Book cheap flights from Ontario to San Francisco

(Round-trip)
Depart: Tue Aug 25 2015 Return: Thu Aug 27 2015 Trip spans 3 days
United
United
ONT
5:07p
SFO
6:29p
1h 22m
nonstop
SFO
4:27a
ONT
5:54a
1h 27m
nonstop
Depart: Wed Aug 26 2015 Return: Thu Aug 27 2015 Trip spans 2 days
United
United
ONT
5:07p
SFO
6:29p
1h 22m
nonstop
SFO
2:49a
ONT
4:16a
1h 27m
nonstop
Depart: Thu Aug 27 2015 Return: Sat Aug 29 2015 Trip spans 3 days
United
United
ONT
5:07p
SFO
6:29p
1h 22m
nonstop
SFO
2:49a
ONT
4:16a
1h 27m
nonstop
Depart: Mon Aug 31 2015 Return: Tue Sep 1 2015 Trip spans 2 days
United
United
ONT
5:07p
SFO
6:29p
1h 22m
nonstop
SFO
7:05p
ONT
8:29p
1h 24m
nonstop
Depart: Tue Sep 8 2015 Return: Wed Sep 23 2015 Trip spans 16 days
United
United
ONT
2:00p
SFO
3:25p
1h 25m
nonstop
SFO
4:27a
ONT
5:54a
1h 27m
nonstop
Depart: Wed Sep 9 2015 Return: Tue Sep 15 2015 Trip spans 7 days
United
United
ONT
5:07p
SFO
6:29p
1h 22m
nonstop
SFO
12:00p
ONT
1:27p
1h 27m
nonstop
Depart: Thu Sep 10 2015 Return: Wed Sep 23 2015 Trip spans 14 days
United
United
ONT
2:00p
SFO
3:25p
1h 25m
nonstop
SFO
7:05p
ONT
8:29p
1h 24m
nonstop
Depart: Sat Sep 12 2015 Return: Wed Sep 16 2015 Trip spans 5 days
United
United
ONT
1:05p
SFO
2:30p
1h 25m
nonstop
SFO
6:45a
ONT
8:12a
1h 27m
nonstop
Depart: Tue Sep 15 2015 Return: Thu Sep 17 2015 Trip spans 3 days
United
United
ONT
1:05p
SFO
2:30p
1h 25m
nonstop
SFO
4:27a
ONT
5:54a
1h 27m
nonstop
Depart: Sat Oct 3 2015 Return: Mon Oct 5 2015 Trip spans 3 days
United
United
ONT
3:00p
SFO
4:25p
1h 25m
nonstop
SFO
2:49a
ONT
4:16a
1h 27m
nonstop
Depart: Sat Oct 10 2015 Return: Mon Oct 12 2015 Trip spans 3 days
United
United
ONT
1:00p
SFO
2:25p
1h 25m
nonstop
SFO
7:05p
ONT
8:29p
1h 24m
nonstop
Depart: Sat Dec 5 2015 Return: Sat Dec 12 2015 Trip spans 8 days
United
United
ONT
10:10a
SFO
11:34a
1h 24m
nonstop
SFO
1:05a
ONT
2:32a
1h 27m
nonstop
Depart: Tue Jul 28 2015 Return: Tue Aug 25 2015 Trip spans 29 days
United
United
ONT
5:00p
SFO
6:27p
1h 27m
nonstop
SFO
2:49a
ONT
4:16a
1h 27m
nonstop
Depart: Wed Aug 19 2015 Return: Tue Aug 25 2015 Trip spans 7 days
United
United
ONT
5:07p
SFO
6:29p
1h 22m
nonstop
SFO
4:27a
ONT
5:54a
1h 27m
nonstop
Depart: Fri Sep 11 2015 Return: Wed Sep 23 2015 Trip spans 13 days
United
United
ONT
2:00p
SFO
3:25p
1h 25m
nonstop
SFO
7:05p
ONT
8:29p
1h 24m
nonstop
Depart: Sun Sep 13 2015 Return: Wed Sep 23 2015 Trip spans 11 days
United
United
ONT
4:56a
SFO
6:28a
1h 32m
nonstop
SFO
2:49a
ONT
4:16a
1h 27m
nonstop
Depart: Tue Sep 22 2015 Return: Fri Oct 16 2015 Trip spans 25 days
United
United
ONT
4:46a
SFO
6:18a
1h 32m
nonstop
SFO
2:49a
ONT
4:16a
1h 27m
nonstop
Depart: Thu Sep 24 2015 Return: Sun Sep 27 2015 Trip spans 4 days
United
United
ONT
4:46a
SFO
6:18a
1h 32m
nonstop
SFO
4:30a
ONT
5:57a
1h 27m
nonstop
Depart: Tue Sep 29 2015 Return: Fri Oct 2 2015 Trip spans 4 days
United
United
ONT
1:00p
SFO
2:25p
1h 25m
nonstop
SFO
2:49a
ONT
4:16a
1h 27m
nonstop
Depart: Wed Dec 23 2015 Return: Sun Dec 27 2015 Trip spans 5 days
American Airlines
American Airlines
ONT
2:30p
SFO
7:51p
5h 21m
1 stop
SFO
11:53a
ONT
4:05p
4h 12m
1 stop
Select an airline:  United
Direct flights ONT to SFO on United
Flight # Depart ONT Arrive SFO Sun Mon Tue Wed Thu Fri Sat Valid Between
5467 5:00 am 6:25 am Jul 5 - Aug 17
5435 8:45 am 10:14 am Jul 27 - Aug 17
5435 8:45 am 10:14 am Jul 13 - Jul 24
5435 8:45 am 10:14 am Jul 26 - Jul 26
5435 8:45 am 10:14 am Jul 11 - Aug 15
5374 10:31 am 12:00 pm Jul 25 - Aug 15
5374 10:31 am 12:00 pm Jul 11 - Jul 18
5374 10:34 am 12:03 pm Aug 9 - Aug 16
5374 10:34 am 12:03 pm Aug 11 - Aug 14
5374 10:34 am 12:03 pm Aug 12 - Aug 17
5374 10:34 am 12:03 pm Jul 6 - Aug 10
5374 10:34 am 12:03 pm Aug 2 - Aug 2
5374 10:34 am 12:03 pm Jul 19 - Jul 19
5374 10:34 am 12:03 pm Jul 26 - Jul 26
5374 10:34 am 12:03 pm Jul 14 - Aug 5
5400 1:15 pm 2:42 pm Jul 11 - Aug 1
5400 1:20 pm 2:47 pm Aug 8 - Aug 15
5470 1:57 pm 3:24 pm Aug 8 - Aug 8
5470 1:59 pm 3:26 pm Jul 6 - Aug 16
5470 1:59 pm 3:26 pm Jul 11 - Aug 1
5363 4:59 pm 6:26 pm Jul 5 - Aug 16
5363 5:08 pm 6:35 pm Jul 16 - Aug 17
5363 5:08 pm 6:35 pm Jul 2 - Jul 14
5363 5:17 pm 6:44 pm Jul 11 - Aug 1
5363 5:18 pm 6:45 pm Jul 15 - Jul 15
5363 5:22 pm 6:49 pm Aug 8 - Aug 15
5304 6:14 pm 7:41 pm Jul 12 - Aug 16
5304 7:14 pm 8:41 pm Jul 10 - Aug 17
5304 7:18 pm 8:45 pm Jul 4 - Aug 15
5416 9:00 pm 10:27 pm Jul 10 - Aug 17
5416 9:01 pm 10:28 pm Jul 5 - Aug 16
Airports
Origin

Ontario
$122
Destination

San Francisco
$122