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

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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.
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Best fares from SFO to ONT (Found by others)

Sun Mon Tue Wed Thu Fri Sat
        1 $216 2 $182 3 $216
4 $216 5 $216 6 $182 7 $182 8 $166 9 $216 10 $216
11 $216 12 $166 13 $166 14 $216 15 $212 16 $246 17 $216
18 $166 19 $216 20 $216 21 $216 22 $246 23 $242 24 $212
25 $212 26 $216 27 $464 28 $216 29 $216 30 $216 31 $216
KAYAK searches hundreds of sites to find the best rate for your next flight from San Francisco to Ontario. Get the best flight deal for your Ontario trip!
Here's how it works. Search KAYAK for a flight ticket from San Francisco to Ontario. 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 SFO to ONT on United
Flight # Depart SFO Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
5374 8:02 am 9:19 am Apr 15 - May 5
5374 8:34 am 9:51 am May 6 - Jun 4
5336 12:57 pm 2:19 pm May 6 - Jun 4
5336 1:00 pm 2:22 pm Apr 15 - May 5
5363 2:52 pm 4:14 pm May 5 - May 5
5363 3:00 pm 4:22 pm May 6 - May 23
5363 3:00 pm 4:22 pm May 10 - May 24
5363 3:00 pm 4:22 pm May 25 - May 31
5363 3:00 pm 4:22 pm May 26 - Jun 4
5363 3:01 pm 4:23 pm Apr 15 - May 4
5416 6:46 pm 8:08 pm May 5 - May 5
5416 6:54 pm 8:16 pm May 25 - May 31
5416 6:54 pm 8:16 pm May 26 - Jun 4
5416 6:54 pm 8:16 pm May 6 - May 23
5416 6:54 pm 8:16 pm May 10 - May 24
5416 6:55 pm 8:17 pm Apr 15 - May 4
5422 10:50 pm 12:12 am May 6 - Jun 3
5422 10:50 pm 12:12 am Apr 15 - May 4
5411 10:57 pm 12:19 am May 5 - May 5