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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 Jun 2 2015 Return: Tue Jun 16 2015 Trip spans 15 days
American Airlines
American Airlines
SFO
11:50a
ONT
5:06p
5h 16m
1 stop
ONT
3:25p
SFO
8:49p
5h 24m
1 stop
Depart: Wed Jun 3 2015 Return: Tue Jun 16 2015 Trip spans 14 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:33a
5h 33m
1 stop
ONT
3:25p
SFO
8:49p
5h 24m
1 stop
Depart: Tue Aug 11 2015 Return: Wed Aug 19 2015 Trip spans 9 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Wed Aug 12 2015 Return: Tue Aug 18 2015 Trip spans 7 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Sat Sep 12 2015 Return: Sun Sep 13 2015 Trip spans 2 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Thu Oct 1 2015 Return: Mon Oct 5 2015 Trip spans 5 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Sat Oct 3 2015 Return: Mon Oct 5 2015 Trip spans 3 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Sat Oct 17 2015 Return: Mon Oct 19 2015 Trip spans 3 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Mon Oct 26 2015 Return: Wed Oct 28 2015 Trip spans 3 days
American Airlines
American Airlines
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Mon May 25 2015 Return: Sun May 31 2015 Trip spans 7 days
United
United
SFO
10:43a
ONT
12:10p
1h 27m
nonstop
ONT
6:43a
SFO
8:14a
1h 31m
nonstop
Depart: Tue May 26 2015 Return: Sun May 31 2015 Trip spans 6 days
United
United
SFO
4:46a
ONT
6:13a
1h 27m
nonstop
ONT
6:43a
SFO
8:14a
1h 31m
nonstop
Depart: Wed May 27 2015 Return: Sun May 31 2015 Trip spans 5 days
United
United
SFO
4:46a
ONT
6:13a
1h 27m
nonstop
ONT
6:43a
SFO
8:14a
1h 31m
nonstop
Depart: Thu May 28 2015 Return: Mon Jun 1 2015 Trip spans 5 days
United
United
SFO
3:00p
ONT
4:25p
1h 25m
nonstop
ONT
12:40p
SFO
2:07p
1h 27m
nonstop
Depart: Fri May 29 2015 Return: Sun May 31 2015 Trip spans 3 days
United
United
SFO
4:46a
ONT
6:13a
1h 27m
nonstop
ONT
6:43a
SFO
8:14a
1h 31m
nonstop
Depart: Sat May 30 2015 Return: Sun May 31 2015 Trip spans 2 days
United
United
SFO
3:00p
ONT
4:25p
1h 25m
nonstop
ONT
1:30a
SFO
3:01a
1h 31m
nonstop
Depart: Sun May 31 2015 Return: Sun Jun 7 2015 Trip spans 8 days
United
United
SFO
6:45p
ONT
8:10p
1h 25m
nonstop
ONT
5:12p
SFO
6:39p
1h 27m
nonstop
Depart: Mon Jun 1 2015 Return: Sun Jun 7 2015 Trip spans 7 days
United
United
SFO
3:00p
ONT
4:25p
1h 25m
nonstop
ONT
5:12p
SFO
6:39p
1h 27m
nonstop
Depart: Thu Jun 4 2015 Return: Sun Jun 7 2015 Trip spans 4 days
United
United
SFO
6:45p
ONT
8:15p
1h 30m
nonstop
ONT
5:12p
SFO
6:39p
1h 27m
nonstop
Depart: Fri Jun 5 2015 Return: Sun Jun 7 2015 Trip spans 3 days
United
United
SFO
4:40a
ONT
6:11a
1h 31m
nonstop
ONT
5:12p
SFO
6:39p
1h 27m
nonstop
Depart: Wed May 6 2015 Return: Tue May 19 2015 Trip spans 14 days
US Airways
US Airways
SFO
11:50a
ONT
5:06p
5h 16m
1 stop
ONT
12:40p
SFO
6:22p
5h 42m
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
5456 8:40 am 10:11 am Jun 4 - Jun 19
5456 8:42 am 10:09 am Jun 1 - Jun 1
5456 8:46 am 10:13 am May 6 - May 31
5456 8:46 am 10:13 am Jun 2 - Jun 3
5307 10:45 am 12:14 pm Jun 4 - Jul 1
5307 10:50 am 12:17 pm Jun 3 - Jun 3
5307 10:50 am 12:17 pm May 7 - Jun 2
5336 2:41 pm 4:08 pm May 9 - May 30
5336 2:43 pm 4:10 pm May 6 - Jun 3
5367 2:51 pm 4:21 pm Jun 4 - Jul 1
5367 3:50 pm 5:17 pm Jun 1 - Jun 3
5367 3:52 pm 5:19 pm May 9 - May 30
5367 3:52 pm 5:19 pm May 10 - May 31
5367 3:53 pm 5:20 pm May 6 - May 29
5336 4:07 pm 5:37 pm Jun 4 - Jul 1
5336 4:10 pm 5:40 pm Jun 7 - Jun 28
5426 5:22 pm 6:47 pm May 7 - Jun 3
5426 6:01 pm 7:31 pm Jun 4 - Jul 1
5418 7:00 pm 8:25 pm May 6 - Jun 3
5418 7:03 pm 8:33 pm Jun 4 - Jun 19
5418 7:12 pm 8:42 pm Jun 7 - Jun 28
5422 10:45 pm 12:15 am Jun 10 - Jun 10
5422 10:45 pm 12:15 am Jun 7 - Jun 21
5422 10:45 pm 12:15 am Jun 4 - Jun 15
5422 10:45 pm 12:10 am May 6 - Jun 3
5422 10:45 pm 12:15 am Jun 6 - Jun 13
Airports
Origin

San Francisco
$203
Destination

Ontario
$203