Cheap Flights from Chicago to Ontario (CHI - ONT)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youth
12-17
Child
2-11
Seat Infant
under 2
Lap Infant
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none

Best fares from CHI to ONT

Sun Mon Tue Wed Thu Fri Sat
  1 $350 2 $345 3 $345 4 $312 5 $329 6 $319
7 $329 8 $319 9 $319 10 $319 11 $322 12 $329 13 $332
14 $621 15 $317 16 $332 17 $317 18 $423 19 $455 20 $484
21 $426 22 $445 23 $478 24 $441 25 $430 26 $553 27 $680
28 $590 29 $520 30 $435 31 $332      

Best fares found by others...

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
2769 12:05 pm 2:30 pm Dec 20 - Dec 27
2769 12:05 pm 2:30 pm Dec 28 - Dec 28
3046 12:05 pm 2:30 pm Dec 24 - Dec 25
6133 12:05 pm 2:30 pm Dec 7 - Dec 21
6575 12:05 pm 2:30 pm Nov 27 - Dec 5
6575 12:05 pm 2:30 pm Dec 8 - Dec 23
6575 12:05 pm 2:30 pm Dec 26 - Dec 26
5545 12:30 pm 2:55 pm Nov 25 - Dec 1
5795 12:30 pm 2:55 pm Nov 30 - Nov 30