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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: Wed Apr 15 2015 Return: Sat Apr 18 2015 Trip spans 4 days
US Airways
US Airways
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
ONT
8:40a
SFO
3:01p
6h 21m
1 stop
Depart: Mon Apr 20 2015 Return: Tue Apr 21 2015 Trip spans 2 days
American Airlines
American Airlines
SFO
1:05p
ONT
5:06p
4h 01m
1 stop
ONT
8:35a
SFO
3:01p
6h 26m
1 stop
Depart: Sat Apr 18 2015 Return: Sat May 2 2015 Trip spans 15 days
American Airlines
American Airlines
SFO
1:05p
ONT
5:06p
4h 01m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
Depart: Tue Apr 21 2015 Return: Sat May 2 2015 Trip spans 12 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
Depart: Wed Apr 22 2015 Return: Sat May 2 2015 Trip spans 11 days
American Airlines
American Airlines
SFO
1:05p
ONT
5:06p
4h 01m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
Depart: Sat Apr 25 2015 Return: Sat May 2 2015 Trip spans 8 days
American Airlines
American Airlines
SFO
11:50a
ONT
5:06p
5h 16m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
Depart: Mon Apr 27 2015 Return: Sat May 2 2015 Trip spans 6 days
American Airlines
American Airlines
SFO
11:50a
ONT
5:06p
5h 16m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
Depart: Tue Apr 28 2015 Return: Sat May 9 2015 Trip spans 12 days
American Airlines
American Airlines
SFO
1:05p
ONT
5:06p
4h 01m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
Depart: Wed Apr 29 2015 Return: Sat May 2 2015 Trip spans 4 days
American Airlines
American Airlines
SFO
1:05p
ONT
5:06p
4h 01m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
Depart: Thu Apr 30 2015 Return: Sat May 9 2015 Trip spans 10 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
1 stop
Depart: Sun Apr 19 2015 Return: Sun Apr 26 2015 Trip spans 8 days
United
United
SFO
6:45p
ONT
8:09p
1h 24m
nonstop
ONT
4:49p
SFO
6:15p
1h 26m
nonstop
Depart: Thu Apr 23 2015 Return: Sun Apr 26 2015 Trip spans 4 days
United
United
SFO
3:35a
ONT
5:01a
1h 26m
nonstop
ONT
4:49p
SFO
6:15p
1h 26m
nonstop
Depart: Sun Apr 26 2015 Return: Sun May 3 2015 Trip spans 8 days
United
United
SFO
2:55p
ONT
4:19p
1h 24m
nonstop
ONT
1:30a
SFO
3:00a
1h 30m
nonstop
Depart: Fri May 1 2015 Return: Mon May 4 2015 Trip spans 4 days
United
United
SFO
3:35a
ONT
5:01a
1h 26m
nonstop
ONT
1:53p
SFO
3:19p
1h 26m
nonstop
Depart: Sat May 2 2015 Return: Sun May 3 2015 Trip spans 2 days
United
United
SFO
11:57a
ONT
1:23p
1h 26m
nonstop
ONT
1:30a
SFO
3:00a
1h 30m
nonstop
Depart: Sun May 3 2015 Return: Sun May 10 2015 Trip spans 8 days
United
United
SFO
3:35a
ONT
5:01a
1h 26m
nonstop
ONT
1:49p
SFO
3:16p
1h 27m
nonstop
Depart: Mon May 4 2015 Return: Fri May 15 2015 Trip spans 12 days
United
United
SFO
4:49a
ONT
6:15a
1h 26m
nonstop
ONT
4:39p
SFO
6:06p
1h 27m
nonstop
Depart: Wed May 6 2015 Return: Sun May 10 2015 Trip spans 5 days
United
United
SFO
1:48p
ONT
3:13p
1h 25m
nonstop
ONT
6:43a
SFO
8:14a
1h 31m
nonstop
Depart: Thu May 7 2015 Return: Sun May 10 2015 Trip spans 4 days
United
United
SFO
1:22p
ONT
2:47p
1h 25m
nonstop
ONT
8:47a
SFO
10:18a
1h 31m
nonstop
Depart: Fri May 8 2015 Return: Sun May 10 2015 Trip spans 3 days
United
United
SFO
10:43a
ONT
12:10p
1h 27m
nonstop
ONT
8:47a
SFO
10:18a
1h 31m
nonstop
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 26 - Apr 6
5444 7:35 am 9:01 am Apr 7 - May 5
5374 8:30 am 9:50 am Apr 5 - Apr 6
5456 8:34 am 10:00 am Apr 29 - Apr 29
5456 8:46 am 10:13 am May 6 - May 31
5456 8:49 am 10:15 am Apr 30 - May 5
5456 8:49 am 10:15 am Apr 7 - Apr 28
5456 8:49 am 10:15 am Apr 12 - May 3
5437 9:48 am 11:08 am Apr 6 - Apr 6
5307 10:50 am 12:17 pm May 7 - Jun 3
5307 11:00 am 12:27 pm May 6 - May 6
5336 12:08 pm 1:34 pm Apr 11 - May 2
5336 12:10 pm 1:36 pm Apr 7 - May 5
5336 2:43 pm 4:10 pm May 6 - Jun 3
5367 3:53 pm 5:20 pm May 6 - May 29
5367 3:57 pm 5:23 pm Apr 7 - May 5
5367 3:57 pm 5:23 pm Apr 12 - May 3
5304 5:10 pm 6:30 pm Apr 6 - Apr 6
5426 5:22 pm 6:47 pm May 7 - Jun 3
5426 5:23 pm 6:47 pm Apr 7 - May 5
5426 5:48 pm 7:13 pm May 6 - May 6
5418 6:45 pm 8:09 pm Apr 7 - May 5
5418 6:55 pm 8:19 pm Apr 12 - May 3
5418 7:00 pm 8:25 pm May 6 - Jun 3
5422 10:39 pm 11:59 pm Mar 26 - Apr 6
5421 10:45 pm 12:09 am May 5 - May 5
5422 10:45 pm 12:10 am May 6 - Jun 3
5422 10:45 pm 12:09 am Apr 12 - May 3
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