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

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

Book cheap flights from San Francisco to Ontario

(Round-trip)
Depart: Tue Mar 31 2015 Return: Sat Apr 4 2015 Trip spans 5 days
American Airlines
American Airlines
SFO
11:50a
ONT
5:06p
5h 16m
1 stop
ONT
8:40a
SFO
3:01p
6h 21m
1 stop
Depart: Tue Apr 14 2015 Return: Wed Apr 15 2015 Trip spans 2 days
American Airlines
American Airlines
SFO
7:59a
ONT
2:05p
6h 06m
1 stop
ONT
6:00a
SFO
12:02p
6h 02m
1 stop
Depart: Sat Apr 18 2015 Return: Wed Apr 22 2015 Trip spans 5 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
ONT
2:30a
SFO
8:32a
6h 02m
1 stop
Depart: Sat Apr 25 2015 Return: Sat May 2 2015 Trip spans 8 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
ONT
6:00a
SFO
12:02p
6h 02m
1 stop
Depart: Fri May 1 2015 Return: Sat May 2 2015 Trip spans 2 days
American Airlines
American Airlines
SFO
11:50a
ONT
5:06p
5h 16m
1 stop
ONT
8:40a
SFO
3:01p
6h 21m
1 stop
Depart: Tue Mar 24 2015 Return: Sun Mar 29 2015 Trip spans 6 days
United
United
SFO
4:30a
ONT
5:50a
1h 20m
nonstop
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
Depart: Wed Mar 25 2015 Return: Sun Mar 29 2015 Trip spans 5 days
United
United
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
Depart: Thu Mar 26 2015 Return: Sun Mar 29 2015 Trip spans 4 days
United
United
SFO
5:50a
ONT
7:10a
1h 20m
nonstop
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
Depart: Fri Mar 27 2015 Return: Sun Mar 29 2015 Trip spans 3 days
United
United
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
Depart: Sat Mar 28 2015 Return: Sun Mar 29 2015 Trip spans 2 days
United
United
SFO
4:30a
ONT
5:50a
1h 20m
nonstop
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
Depart: Sun Mar 29 2015 Return: Sun Apr 5 2015 Trip spans 8 days
United
United
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
Depart: Mon Mar 30 2015 Return: Sun Apr 5 2015 Trip spans 7 days
United
United
SFO
5:50a
ONT
7:10a
1h 20m
nonstop
ONT
5:10a
SFO
6:38a
1h 28m
nonstop
Depart: Wed Apr 1 2015 Return: Sun Apr 5 2015 Trip spans 5 days
United
United
SFO
4:30a
ONT
5:50a
1h 20m
nonstop
ONT
1:35a
SFO
3:03a
1h 28m
nonstop
Depart: Thu Apr 2 2015 Return: Sun Apr 5 2015 Trip spans 4 days
United
United
SFO
5:50a
ONT
7:10a
1h 20m
nonstop
ONT
5:10a
SFO
6:38a
1h 28m
nonstop
Depart: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 days
United
United
SFO
3:20a
ONT
4:40a
1h 20m
nonstop
ONT
5:10a
SFO
6:38a
1h 28m
nonstop
Depart: Sat Apr 4 2015 Return: Sun Apr 5 2015 Trip spans 2 days
United
United
SFO
6:39p
ONT
7:59p
1h 20m
nonstop
ONT
5:10a
SFO
6:38a
1h 28m
nonstop
Depart: Sun Apr 5 2015 Return: Sun Apr 12 2015 Trip spans 8 days
United
United
SFO
6:39p
ONT
7:59p
1h 20m
nonstop
ONT
1:30a
SFO
3:00a
1h 30m
nonstop
Depart: Mon Apr 6 2015 Return: Sun Apr 12 2015 Trip spans 7 days
United
United
SFO
6:39p
ONT
7:59p
1h 20m
nonstop
ONT
1:30a
SFO
3:00a
1h 30m
nonstop
Depart: Tue Apr 7 2015 Return: Sun Apr 12 2015 Trip spans 6 days
United
United
SFO
6:45p
ONT
8:09p
1h 24m
nonstop
ONT
1:30a
SFO
3:00a
1h 30m
nonstop
Depart: Wed Mar 11 2015 Return: Tue Mar 17 2015 Trip spans 7 days
US Airways
US Airways
SFO
11:50a
ONT
5:11p
5h 21m
1 stop
ONT
12:40p
SFO
6:23p
5h 43m
1 stop
Select an airline:  United
Direct flights SFO to ONT on United
Flight # Depart SFO Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
5307 7:20 am 8:40 am Mar 8 - Apr 6
5307 7:29 am 8:49 am Mar 14 - Apr 4
5444 7:35 am 9:01 am Apr 7 - May 5
5374 8:30 am 9:50 am Apr 5 - Apr 6
5374 8:30 am 9:50 am Mar 8 - Apr 3
5374 8:41 am 10:01 am Apr 4 - Apr 4
5456 8:49 am 10:15 am Apr 7 - Apr 28
5437 9:48 am 11:08 am Apr 6 - Apr 6
5308 9:50 am 11:10 am Mar 8 - Apr 5
5308 9:59 am 11:19 am Mar 14 - Apr 4
5336 12:08 pm 1:34 pm Apr 11 - May 2
5336 12:10 pm 1:36 pm Apr 7 - May 5
5336 2:49 pm 4:09 pm Mar 28 - Apr 4
5303 3:54 pm 5:14 pm Mar 28 - Mar 28
5363 3:54 pm 5:14 pm Apr 4 - Apr 4
5363 3:54 pm 5:14 pm Mar 14 - Mar 21
5367 3:57 pm 5:23 pm Apr 7 - May 5
5303 5:10 pm 6:30 pm Apr 4 - Apr 4
5303 5:10 pm 6:30 pm Mar 8 - Apr 5
5303 5:10 pm 6:30 pm Mar 14 - Mar 21
5304 5:10 pm 6:30 pm Apr 6 - Apr 6
5426 5:23 pm 6:47 pm Apr 7 - May 5
5416 6:42 pm 8:02 pm Mar 14 - Apr 4
5418 6:45 pm 8:09 pm Apr 7 - May 5
5422 10:39 pm 11:59 pm Mar 8 - Apr 6
5422 10:45 pm 12:09 am Apr 8 - May 4
5422 10:45 pm 12:09 am Apr 7 - Apr 28
Airports
Origin

San Francisco
$159
Destination

Ontario
$159