Browse Origins:
Browse Destinations:

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 Jan 7 2015 Return: Fri Jan 9 2015 Trip spans 3 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
Depart: Fri Jan 9 2015 Return: Sat Jan 10 2015 Trip spans 2 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
11:40a
SFO
5:23p
5h 43m
1 stop
Depart: Sun Jan 11 2015 Return: Wed Jan 14 2015 Trip spans 4 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
Depart: Wed Jan 14 2015 Return: Thu Jan 15 2015 Trip spans 2 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
Depart: Thu Jan 15 2015 Return: Sun Jan 18 2015 Trip spans 4 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
Depart: Fri Jan 16 2015 Return: Sat Jan 17 2015 Trip spans 2 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
11:40a
SFO
5:23p
5h 43m
1 stop
Depart: Sat Jan 17 2015 Return: Thu Jan 22 2015 Trip spans 6 days
US Airways
US Airways
SFO
10:50a
ONT
4:11p
5h 21m
1 stop
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
Depart: Thu Jan 22 2015 Return: Sat Jan 24 2015 Trip spans 3 days
US Airways
US Airways
SFO
1:00a
ONT
6:34a
5h 34m
1 stop
ONT
11:40a
SFO
5:23p
5h 43m
1 stop
Depart: Fri Jan 23 2015 Return: Sun Jan 25 2015 Trip spans 3 days
US Airways
US Airways
SFO
1:00a
ONT
6:34a
5h 34m
1 stop
ONT
1:30a
SFO
7:34a
6h 04m
1 stop
Depart: Sat Jan 24 2015 Return: Sun Jan 25 2015 Trip spans 2 days
US Airways
US Airways
SFO
10:50a
ONT
4:11p
5h 21m
1 stop
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
Depart: Thu Feb 5 2015 Return: Sat Feb 7 2015 Trip spans 3 days
US Airways
US Airways
SFO
1:00a
ONT
6:34a
5h 34m
1 stop
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
Depart: Fri Feb 6 2015 Return: Sat Feb 7 2015 Trip spans 2 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
Depart: Sat Feb 7 2015 Return: Mon Feb 9 2015 Trip spans 3 days
US Airways
US Airways
SFO
10:50a
ONT
4:11p
5h 21m
1 stop
ONT
7:40a
SFO
2:04p
6h 24m
1 stop
Depart: Sun Feb 8 2015 Return: Thu Feb 12 2015 Trip spans 5 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
2:25p
SFO
8:01p
5h 36m
1 stop
Depart: Mon Feb 9 2015 Return: Thu Feb 12 2015 Trip spans 4 days
US Airways
US Airways
SFO
12:05p
ONT
4:11p
4h 06m
1 stop
ONT
2:25p
SFO
8:01p
5h 36m
1 stop
Depart: Sun Mar 1 2015 Return: Fri Mar 6 2015 Trip spans 6 days
US Airways
US Airways
SFO
1:00a
ONT
6:34a
5h 34m
1 stop
ONT
2:25p
SFO
8:01p
5h 36m
1 stop
Depart: Mon Mar 30 2015 Return: Wed Apr 1 2015 Trip spans 3 days
US Airways
US Airways
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Sat Apr 4 2015 Return: Sat Apr 11 2015 Trip spans 8 days
US Airways
US Airways
SFO
2:00a
ONT
7:31a
5h 31m
1 stop
ONT
3:30p
SFO
8:51p
5h 21m
1 stop
Depart: Thu Jan 8 2015 Return: Mon Jan 12 2015 Trip spans 5 days
United
United
SFO
3:15a
ONT
4:35a
1h 20m
nonstop
ONT
3:00p
SFO
4:28p
1h 28m
nonstop
Depart: Sat Jan 10 2015 Return: Sun Jan 11 2015 Trip spans 2 days
United
United
SFO
11:25a
ONT
12:45p
1h 20m
nonstop
ONT
12:30a
SFO
1:58a
1h 28m
nonstop
Change your search
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
5374 8:13 am 9:33 am Jan 18 - Jan 18
5374 8:15 am 9:35 am Jan 19 - Jan 31
5374 8:15 am 9:35 am Jan 6 - Jan 17
5374 8:30 am 9:48 am Dec 21 - Jan 4
5374 8:52 am 10:10 am Dec 18 - Jan 5
5309 10:40 am 12:00 pm Jan 6 - Feb 11
5309 10:48 am 12:06 pm Dec 29 - Jan 5
5309 10:48 am 12:06 pm Dec 26 - Dec 28
5336 12:52 pm 2:10 pm Dec 19 - Dec 30
5336 12:52 pm 2:10 pm Jan 1 - Jan 5
5336 12:55 pm 2:15 pm Jan 18 - Jan 18
5336 1:01 pm 2:21 pm Jan 19 - Jan 30
5336 1:01 pm 2:21 pm Jan 6 - Jan 16
5336 1:54 pm 3:14 pm Jan 10 - Feb 7
5336 2:00 pm 3:18 pm Dec 24 - Dec 31
5325 4:15 pm 5:33 pm Dec 26 - Dec 28
5363 4:15 pm 5:33 pm Jan 3 - Jan 3
5363 4:15 pm 5:33 pm Dec 31 - Dec 31
5363 4:15 pm 5:33 pm Dec 29 - Jan 5
5363 4:23 pm 5:43 pm Jan 6 - Feb 11
5363 4:25 pm 5:45 pm Jan 10 - Feb 7
5296 6:10 pm 7:30 pm Jan 8 - Feb 9
5303 6:10 pm 7:30 pm Jan 6 - Feb 11
5448 6:10 pm 7:30 pm Jan 10 - Feb 7
5416 6:20 pm 7:38 pm Dec 29 - Jan 5
5473 6:20 pm 7:38 pm Dec 21 - Dec 28
5473 6:20 pm 7:38 pm Dec 18 - Dec 26
5416 6:34 pm 7:52 pm Jan 3 - Jan 3
5473 6:34 pm 7:52 pm Dec 20 - Dec 27
5422 10:35 pm 11:55 pm Jan 6 - Feb 11
5422 10:40 pm 11:58 pm Dec 18 - Jan 5
Airports
Origin

San Francisco
$159
Destination

Ontario
$159