Browse Origins:
Browse Destinations:

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 Apr 4 2015 Return: Tue Apr 7 2015 Trip spans 4 days
American Airlines
American Airlines
ONT
2:30a
SFO
8:32a
6h 02m
1 stop
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
Depart: Wed Apr 15 2015 Return: Sat Apr 18 2015 Trip spans 4 days
US Airways
US Airways
ONT
6:00a
SFO
12:02p
6h 02m
1 stop
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
Depart: Wed Apr 29 2015 Return: Mon May 4 2015 Trip spans 6 days
American Airlines
American Airlines
ONT
2:30a
SFO
8:32a
6h 02m
1 stop
SFO
11:50a
ONT
5:06p
5h 16m
1 stop
Depart: Fri May 1 2015 Return: Sun May 3 2015 Trip spans 3 days
American Airlines
American Airlines
ONT
8:35a
SFO
3:01p
6h 26m
1 stop
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
Depart: Sat May 2 2015 Return: Sun May 3 2015 Trip spans 2 days
American Airlines
American Airlines
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
Depart: Wed May 6 2015 Return: Thu May 7 2015 Trip spans 2 days
American Airlines
American Airlines
ONT
6:00a
SFO
12:02p
6h 02m
1 stop
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
Depart: Sat May 9 2015 Return: Sun May 10 2015 Trip spans 2 days
American Airlines
American Airlines
ONT
2:30a
SFO
8:32a
6h 02m
1 stop
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
Depart: Thu Apr 9 2015 Return: Mon Apr 20 2015 Trip spans 12 days
United
United
ONT
1:30a
SFO
3:00a
1h 30m
nonstop
SFO
4:49a
ONT
6:15a
1h 26m
nonstop
Depart: Tue Mar 24 2015 Return: Sun Mar 29 2015 Trip spans 6 days
United
United
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
Depart: Wed Mar 25 2015 Return: Sun Mar 29 2015 Trip spans 5 days
United
United
ONT
5:10a
SFO
6:38a
1h 28m
nonstop
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
Depart: Thu Mar 26 2015 Return: Sun Mar 29 2015 Trip spans 4 days
United
United
ONT
6:30a
SFO
7:58a
1h 28m
nonstop
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
Depart: Fri Mar 27 2015 Return: Sun Mar 29 2015 Trip spans 3 days
United
United
ONT
5:10a
SFO
6:38a
1h 28m
nonstop
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
Depart: Sat Mar 28 2015 Return: Sun Mar 29 2015 Trip spans 2 days
United
United
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
Depart: Sun Mar 29 2015 Return: Sun Apr 5 2015 Trip spans 8 days
United
United
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
Depart: Mon Mar 30 2015 Return: Sun Apr 5 2015 Trip spans 7 days
United
United
ONT
6:30a
SFO
7:58a
1h 28m
nonstop
SFO
6:39p
ONT
7:59p
1h 20m
nonstop
Depart: Tue Mar 31 2015 Return: Sun Apr 5 2015 Trip spans 6 days
United
United
ONT
3:00p
SFO
4:28p
1h 28m
nonstop
SFO
6:39p
ONT
7:59p
1h 20m
nonstop
Depart: Wed Apr 1 2015 Return: Sun Apr 5 2015 Trip spans 5 days
United
United
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
SFO
6:39p
ONT
7:59p
1h 20m
nonstop
Depart: Thu Apr 2 2015 Return: Sun Apr 5 2015 Trip spans 4 days
United
United
ONT
5:10a
SFO
6:38a
1h 28m
nonstop
SFO
6:39p
ONT
7:59p
1h 20m
nonstop
Depart: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 days
United
United
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
Depart: Sun Apr 5 2015 Return: Sun Apr 12 2015 Trip spans 8 days
United
United
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
SFO
8:10a
ONT
9:36a
1h 26m
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 5:30 am 7:00 am Apr 7 - May 5
5467 5:35 am 7:03 am Mar 8 - Apr 6
5400 9:10 am 10:38 am Mar 8 - Apr 6
5400 9:19 am 10:47 am Mar 14 - Apr 4
5420 9:35 am 11:05 am Apr 7 - May 5
5367 10:30 am 11:58 am Mar 14 - Mar 28
5367 10:30 am 11:58 am Mar 8 - Apr 5
5367 10:30 am 11:58 am Mar 9 - Apr 6
5367 10:31 am 11:59 am Apr 4 - Apr 4
5374 10:45 am 12:15 pm Apr 7 - May 5
5308 11:43 am 1:11 pm Apr 6 - Apr 6
5303 11:45 am 1:13 pm Mar 8 - Apr 5
5303 11:49 am 1:17 pm Mar 14 - Mar 21
5303 11:49 am 1:17 pm Mar 28 - Mar 28
5303 11:49 am 1:17 pm Apr 4 - Apr 4
5416 12:56 pm 2:24 pm Mar 14 - Apr 4
5305 2:06 pm 3:36 pm Apr 7 - May 5
5305 4:39 pm 6:07 pm Mar 28 - Mar 28
5305 4:39 pm 6:07 pm Apr 4 - Apr 4
5304 5:44 pm 7:12 pm Mar 14 - Apr 4
5363 5:53 pm 7:19 pm Apr 7 - May 5
5363 7:00 pm 8:28 pm Mar 8 - Apr 6
5304 7:18 pm 8:44 pm Apr 7 - May 5
5363 8:22 pm 9:50 pm Mar 14 - Mar 21
5363 8:22 pm 9:50 pm Apr 4 - Apr 4
5416 8:39 pm 10:05 pm Apr 7 - May 5
Airports
Origin

Ontario
$159
Destination

San Francisco
$159