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Find Flight Deals 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: Sat May 2 2015 Return: Tue May 5 2015 Trip spans 4 days
American Airlines
American Airlines
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
SFO
11:50a
ONT
5:06p
5h 16m
1 stop
Depart: Wed May 6 2015 Return: Sat May 9 2015 Trip spans 4 days
American Airlines
American Airlines
ONT
8:35a
SFO
3:01p
6h 26m
1 stop
SFO
7:59a
ONT
2:05p
6h 06m
1 stop
Depart: Tue Jul 14 2015 Return: Tue Aug 4 2015 Trip spans 22 days
American Airlines
American Airlines
ONT
3:25p
SFO
8:49p
5h 24m
1 stop
SFO
11:50a
ONT
4:55p
5h 05m
1 stop
Depart: Tue Aug 4 2015 Return: Tue Aug 11 2015 Trip spans 8 days
American Airlines
American Airlines
ONT
3:25p
SFO
8:49p
5h 24m
1 stop
SFO
1:05p
ONT
7:57p
6h 52m
1 stop
Depart: Thu May 7 2015 Return: Tue May 12 2015 Trip spans 6 days
United
United
ONT
1:30a
SFO
3:01a
1h 31m
nonstop
SFO
3:00p
ONT
4:25p
1h 25m
nonstop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
United
United
ONT
1:30a
SFO
3:01a
1h 31m
nonstop
SFO
4:46a
ONT
6:13a
1h 27m
nonstop
Depart: Sat May 9 2015 Return: Sun May 10 2015 Trip spans 2 days
United
United
ONT
1:50p
SFO
3:17p
1h 27m
nonstop
SFO
6:45p
ONT
8:10p
1h 25m
nonstop
Depart: Sun May 10 2015 Return: Sun May 17 2015 Trip spans 8 days
United
United
ONT
1:30a
SFO
3:01a
1h 31m
nonstop
SFO
10:43a
ONT
12:10p
1h 27m
nonstop
Depart: Mon May 11 2015 Return: Sun May 17 2015 Trip spans 7 days
United
United
ONT
1:50p
SFO
3:17p
1h 27m
nonstop
SFO
10:43a
ONT
12:10p
1h 27m
nonstop
Depart: Tue May 12 2015 Return: Sun May 17 2015 Trip spans 6 days
United
United
ONT
3:17p
SFO
4:44p
1h 27m
nonstop
SFO
6:45p
ONT
8:10p
1h 25m
nonstop
Depart: Wed May 13 2015 Return: Sun May 17 2015 Trip spans 5 days
United
United
ONT
3:17p
SFO
4:44p
1h 27m
nonstop
SFO
4:46a
ONT
6:13a
1h 27m
nonstop
Depart: Thu May 14 2015 Return: Sun May 17 2015 Trip spans 4 days
United
United
ONT
12:40p
SFO
2:07p
1h 27m
nonstop
SFO
6:50a
ONT
8:17a
1h 27m
nonstop
Depart: Sat May 16 2015 Return: Sun May 17 2015 Trip spans 2 days
United
United
ONT
12:38p
SFO
2:05p
1h 27m
nonstop
SFO
10:43a
ONT
12:10p
1h 27m
nonstop
Depart: Sun May 17 2015 Return: Sun May 24 2015 Trip spans 8 days
United
United
ONT
1:30a
SFO
3:01a
1h 31m
nonstop
SFO
1:22p
ONT
2:47p
1h 25m
nonstop
Depart: Mon May 18 2015 Return: Sun May 24 2015 Trip spans 7 days
United
United
ONT
12:40p
SFO
2:07p
1h 27m
nonstop
SFO
3:00p
ONT
4:25p
1h 25m
nonstop
Depart: Tue May 19 2015 Return: Sun May 24 2015 Trip spans 6 days
United
United
ONT
3:17p
SFO
4:44p
1h 27m
nonstop
SFO
6:50a
ONT
8:17a
1h 27m
nonstop
Depart: Wed May 20 2015 Return: Sun May 24 2015 Trip spans 5 days
United
United
ONT
1:30a
SFO
3:01a
1h 31m
nonstop
SFO
6:45p
ONT
8:10p
1h 25m
nonstop
Depart: Thu May 21 2015 Return: Sun May 24 2015 Trip spans 4 days
United
United
ONT
4:39p
SFO
6:06p
1h 27m
nonstop
SFO
1:22p
ONT
2:47p
1h 25m
nonstop
Depart: Fri May 22 2015 Return: Mon May 25 2015 Trip spans 4 days
United
United
ONT
12:40p
SFO
2:07p
1h 27m
nonstop
SFO
6:50a
ONT
8:17a
1h 27m
nonstop
Depart: Sat Apr 25 2015 Return: Mon Apr 27 2015 Trip spans 3 days
US Airways
US Airways
ONT
8:40a
SFO
3:01p
6h 21m
1 stop
SFO
5:15a
ONT
11:38a
6h 23m
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 5:30 am 7:01 am May 6 - Jun 3
5467 5:30 am 7:00 am Apr 7 - May 5
5420 9:34 am 11:04 am Apr 11 - May 3
5420 9:35 am 11:05 am Apr 7 - May 5
5374 10:30 am 12:00 pm Apr 29 - Apr 29
5374 10:43 am 12:14 pm May 6 - May 31
5374 10:45 am 12:15 pm Apr 30 - May 5
5374 10:45 am 12:15 pm Apr 7 - Apr 28
5470 12:47 pm 2:18 pm May 24 - May 24
5470 12:47 pm 2:18 pm May 23 - May 29
5470 12:47 pm 2:18 pm May 11 - Jun 1
5470 12:47 pm 2:18 pm May 9 - May 16
5470 12:47 pm 2:18 pm May 7 - May 22
5470 12:57 pm 2:28 pm May 6 - May 6
5305 2:04 pm 3:34 pm Apr 11 - May 2
5333 2:05 pm 3:36 pm May 9 - May 30
5305 2:06 pm 3:36 pm Apr 7 - May 5
5305 4:38 pm 6:05 pm May 9 - May 30
5305 4:40 pm 6:07 pm May 6 - Jun 3
5363 5:49 pm 7:16 pm May 10 - May 31
5363 5:50 pm 7:17 pm May 6 - May 30
5363 5:53 pm 7:19 pm Apr 7 - May 5
5304 7:17 pm 8:44 pm May 7 - Jun 3
5304 7:18 pm 8:44 pm Apr 7 - May 5
5304 7:43 pm 9:10 pm May 6 - May 6
5416 8:39 pm 10:06 pm May 6 - Jun 3
5416 8:39 pm 10:05 pm Apr 7 - May 5
5416 8:49 pm 10:15 pm Apr 12 - May 3
Airports
Origin

Ontario
$203
Destination

San Francisco
$203