SEARCH ONE AND DONE. - Compare hundreds of travel sites at once.
Choose where to book.
Find deals from over 400 airlines worldwide.

Cheap Flights from Ontario to San Francisco (ONT - SFO)

DepartReturn
1 adult
Note: some airlines charge for infants in laps.
The price shown for each flight will be the average for all passengers including any infants.

Best fares from ONT to SFO (Found by others)

Sun Mon Tue Wed Thu Fri Sat
          1 $249 2 $224
3 $289 4 $268 5 $310 6 $222 7 $222 8 $199 9 $222
10 $222 11 $222 12 $222 13 $199 14 $202 15 $202 16 $202
17 $241 18 $199 19 $199 20 $202 21 $199 22 $199 23 $202
24 $241 25 $255 26 $199 27 $194 28 $202 29 $202 30 $202
31 $277            
KAYAK searches hundreds of sites to find the best rate for your next flight from Ontario to San Francisco. Get the best flight deal for your San Francisco trip!
Here's how it works. Search KAYAK for a flight ticket from Ontario to San Francisco. Sort, filter and compare results on one web page. Then book your plane ticket direct on the airline or travel agent site of your choice!
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 Aug 19 - Sep 19
5467 5:33 am 6:54 am Aug 15 - Aug 15
5467 5:35 am 6:56 am Jul 24 - Aug 14
5467 5:35 am 6:56 am Aug 16 - Aug 18
5467 5:40 am 7:01 am Jul 27 - Aug 17
5374 10:53 am 12:27 pm Aug 24 - Aug 24
5374 10:53 am 12:27 pm Aug 21 - Sep 1
5374 10:54 am 12:28 pm Aug 30 - Sep 6
5374 10:54 am 12:25 pm Aug 23 - Aug 23
5374 10:54 am 12:28 pm Aug 19 - Aug 27
5374 10:58 am 12:32 pm Aug 31 - Aug 31
5374 10:59 am 12:25 pm Jul 26 - Aug 16
5374 11:03 am 12:29 pm Jul 24 - Aug 18
5300 12:30 pm 2:04 pm Aug 23 - Aug 23
5400 12:30 pm 2:04 pm Aug 25 - Sep 15
5442 12:30 pm 2:04 pm Aug 30 - Aug 30
5400 1:04 pm 2:38 pm Aug 19 - Sep 19
5400 1:13 pm 2:39 pm Jul 26 - Aug 16
5400 1:13 pm 2:39 pm Jul 24 - Aug 18
5400 1:16 pm 2:50 pm Aug 24 - Aug 24
5400 1:26 pm 3:00 pm Aug 31 - Sep 7
5400 1:31 pm 3:05 pm Aug 23 - Sep 13
5300 4:56 pm 6:20 pm Aug 31 - Aug 31
5363 4:56 pm 6:20 pm Aug 19 - Aug 29
5363 4:56 pm 6:20 pm Sep 1 - Sep 8
5363 5:06 pm 6:30 pm Aug 23 - Aug 30
5363 5:12 pm 6:38 pm Jul 24 - Aug 18
5363 5:12 pm 6:38 pm Jul 26 - Aug 16
5363 8:58 pm 10:22 pm Aug 31 - Aug 31
5416 8:58 pm 10:22 pm Aug 19 - Aug 20
5416 8:58 pm 10:24 pm Jul 24 - Aug 18
5416 8:58 pm 10:22 pm Aug 27 - Sep 3
5416 8:58 pm 10:22 pm Sep 1 - Sep 8
5416 8:58 pm 10:22 pm Aug 21 - Aug 29
5416 9:04 pm 10:30 pm Jul 27 - Aug 17