Cheap Flights From Ontario, California To Illinois

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Cheap flights from Ontario, California (ONT) to popular destinations in Illinois (IL)

Carrier Departure Date Return Date Lowest Price
American Jan 15, 2019 Jan 16, 2019 $244
American Jan 28, 2019 Feb 4, 2019 $244
American Jan 19, 2019 Jan 26, 2019 $244
American Jan 8, 2019 Jan 12, 2019 $244
American Jan 30, 2019 Feb 2, 2019 $244
American Jan 31, 2019 Feb 7, 2019 $244
American Jan 24, 2019 Jan 26, 2019 $244
American Jan 9, 2019 Jan 15, 2019 $244
American Jan 10, 2019 Jan 12, 2019 $244
American Jan 10, 2019 Jan 17, 2019 $244

Cheap Last Minute Flights from Ontario, California to Illinois Prices shown were found by travelers like you over the past 30 days

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Ontario, California to Illinois. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Bloomington, Illinois 12/27/18 1/1/19 $376
Chicago 1/11/19 1/14/19 $262

Flight Schedule Summaries Last modified: Dec 9, 2018 2:24 -05:00Number of routes searched: 256Number of itineraries searched: 56,939

Ontario, California to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Alaska -
American DFW
American PHX
American SEA
Alaska PDX
Alaska SEA
Alaska SFO
JetBlue JFK
Major Airlines ATL
Major Airlines SLC
Frontier DEN
Frontier MCO
United DEN
United EWR
United SFO
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Cheap Flights from Ontario, California to Illinois - from $97 Round trip from ONT to IL