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Cheap Flights from Chicago to Ontario (CHI - 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 CHI to ONT (Found by others)

Sun Mon Tue Wed Thu Fri Sat
            1 $362
2 $444 3 $436 4 $444 5 $335 6 $335 7 $363 8 $381
9 $335 10 $348 11 $297 12 $297 13 $302 14 $354 15 $312
16 $391 17 $302 18 $315 19 $297 20 $323 21 $353 22 $386
23 $330 24 $322 25 $383 26 $386 27 $369 28 $330 29 $542
30 $558            
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
6133 12:05 pm 2:30 pm Nov 2 - Nov 23
6133 12:05 pm 2:30 pm Dec 7 - Dec 21
6575 12:05 pm 2:30 pm Nov 3 - Nov 24
6575 12:05 pm 2:30 pm Nov 27 - Dec 5
5545 12:30 pm 2:55 pm Nov 25 - Dec 1
5795 12:30 pm 2:55 pm Nov 30 - Nov 30
5081 4:35 pm 7:00 pm Nov 8 - Nov 8