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Cheap Flights from Chicago to Ontario (CHI - ONT)

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

Sun Mon Tue Wed Thu Fri Sat
  1 $559 2 $439 3 $439 4 $348 5 $348 6 $348
7 $505 8 $348 9 $348 10 $390 11 $344 12 $390 13 $333
14 $344 15 $437 16 $333 17 $333 18 $375 19 $329 20 $329
21 $423 22 $329 23 $329 24 $458 25 $329 26 $329 27 $364
28 $329 29
$329
30 $329        
KAYAK searches hundreds of sites to find the best rate for your next flight from Chicago to Ontario. Get the best flight deal for your Ontario trip!
Here's how it works. Search KAYAK for a flight ticket from Chicago 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:  AirTran
Direct flights CHI to ONT on AirTran
Flight # Depart MDW Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
2200 8:55 am 11:00 am Sep 3 - Sep 8
2200 8:55 am 11:00 am Sep 10 - Sep 29
2200 8:55 am 11:15 am Oct 1 - Oct 31
6322 8:55 am 11:15 am Oct 5 - Oct 26
4425 9:10 am 11:15 am Sep 6 - Sep 6
4425 9:10 am 11:15 am Sep 13 - Sep 27
4425 9:10 am 11:25 am Oct 4 - Nov 1