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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: Thu Jan 8 2015 Return: Sun Jan 11 2015 Trip spans 4 days
US Airways
US Airways
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
Depart: Fri Jan 9 2015 Return: Mon Jan 12 2015 Trip spans 4 days
US Airways
US Airways
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
SFO
10:50a
ONT
4:11p
5h 21m
1 stop
Depart: Sat Jan 10 2015 Return: Mon Jan 12 2015 Trip spans 3 days
US Airways
US Airways
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
SFO
10:50a
ONT
4:11p
5h 21m
1 stop
Depart: Sun Jan 11 2015 Return: Tue Jan 13 2015 Trip spans 3 days
US Airways
US Airways
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
SFO
1:00a
ONT
6:34a
5h 34m
1 stop
Depart: Wed Jan 14 2015 Return: Thu Jan 15 2015 Trip spans 2 days
US Airways
US Airways
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
SFO
10:50a
ONT
4:11p
5h 21m
1 stop
Depart: Thu Jan 15 2015 Return: Sat Jan 17 2015 Trip spans 3 days
US Airways
US Airways
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
Depart: Sat Jan 17 2015 Return: Mon Jan 19 2015 Trip spans 3 days
US Airways
US Airways
ONT
11:40a
SFO
5:23p
5h 43m
1 stop
SFO
1:00a
ONT
6:34a
5h 34m
1 stop
Depart: Wed Jan 21 2015 Return: Sun Jan 25 2015 Trip spans 5 days
US Airways
US Airways
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
Depart: Fri Jan 23 2015 Return: Sun Jan 25 2015 Trip spans 3 days
US Airways
US Airways
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
Depart: Sat Jan 24 2015 Return: Sun Jan 25 2015 Trip spans 2 days
US Airways
US Airways
ONT
11:40a
SFO
5:23p
5h 43m
1 stop
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
Depart: Wed Feb 4 2015 Return: Sun Feb 8 2015 Trip spans 5 days
US Airways
US Airways
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
SFO
1:00a
ONT
6:34a
5h 34m
1 stop
Depart: Thu Feb 5 2015 Return: Sun Feb 8 2015 Trip spans 4 days
US Airways
US Airways
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
Depart: Fri Feb 6 2015 Return: Tue Feb 10 2015 Trip spans 5 days
US Airways
US Airways
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
SFO
1:00a
ONT
6:34a
5h 34m
1 stop
Depart: Wed Feb 11 2015 Return: Sat Feb 14 2015 Trip spans 4 days
US Airways
US Airways
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
SFO
10:50a
ONT
4:11p
5h 21m
1 stop
Depart: Thu Feb 12 2015 Return: Sun Feb 15 2015 Trip spans 4 days
US Airways
US Airways
ONT
2:25p
SFO
8:01p
5h 36m
1 stop
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
Depart: Fri Mar 6 2015 Return: Sun Mar 8 2015 Trip spans 3 days
US Airways
US Airways
ONT
2:25p
SFO
8:01p
5h 36m
1 stop
SFO
1:00a
ONT
7:34a
5h 34m
1 stop
Depart: Fri Mar 13 2015 Return: Mon Mar 16 2015 Trip spans 4 days
US Airways
US Airways
ONT
3:25p
SFO
9:01p
5h 36m
1 stop
SFO
2:00a
ONT
7:34a
5h 34m
1 stop
Depart: Fri Mar 27 2015 Return: Mon Mar 30 2015 Trip spans 4 days
US Airways
US Airways
ONT
3:25p
SFO
9:01p
5h 36m
1 stop
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
Depart: Tue Jan 13 2015 Return: Sun Jan 18 2015 Trip spans 6 days
United
United
ONT
12:30a
SFO
1:58a
1h 28m
nonstop
SFO
3:13a
ONT
4:33a
1h 20m
nonstop
Depart: Thu Dec 25 2014 Return: Thu Jan 1 2015 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ONT
7:40a
SFO
1:58p
6h 18m
1 stop
SFO
5:40p
ONT
6:58p
1h 18m
nonstop
Change your search
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 6:29 am Dec 18 - Jan 5
5467 5:30 am 6:58 am Jan 6 - Jan 31
5367 10:03 am 11:31 am Jan 18 - Jan 18
5367 10:05 am 11:33 am Jan 19 - Jan 31
5367 10:05 am 11:33 am Jan 6 - Jan 17
5367 10:41 am 12:10 pm Dec 29 - Jan 5
5400 12:30 pm 1:58 pm Jan 6 - Feb 11
5400 12:36 pm 2:00 pm Dec 18 - Jan 5
5305 2:40 pm 4:04 pm Dec 19 - Jan 5
5305 2:45 pm 4:13 pm Jan 18 - Jan 18
5305 2:51 pm 4:19 pm Jan 6 - Jan 17
5305 2:51 pm 4:19 pm Jan 19 - Jan 31
5425 6:00 pm 7:24 pm Dec 31 - Dec 31
5425 6:03 pm 7:27 pm Dec 29 - Jan 5
5416 6:13 pm 7:41 pm Jan 6 - Feb 11
5363 8:00 pm 9:28 pm Jan 6 - Feb 11
5363 8:00 pm 9:28 pm Jan 10 - Feb 7
5363 8:11 pm 9:35 pm Dec 31 - Dec 31
5363 8:11 pm 9:35 pm Dec 29 - Jan 5
5363 8:22 pm 9:46 pm Jan 3 - Jan 3
Airports
Origin

Ontario
$159
Destination

San Francisco
$159