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Cheap Flights From Ontario, California To Illinois

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

Chicago
Carrier Departure Date Return Date Lowest Price
United Jun 3, 2017 Jun 7, 2017 $214
American Sep 2, 2017 Sep 9, 2017 $260
United Sep 2, 2017 Sep 9, 2017 $260
American Oct 14, 2017 Oct 21, 2017 $260
American Sep 23, 2017 Sep 26, 2017 $260
United Sep 9, 2017 Sep 12, 2017 $260
American Sep 9, 2017 Sep 12, 2017 $260
United Sep 23, 2017 Sep 26, 2017 $260
American Oct 7, 2017 Oct 14, 2017 $260
United Oct 18, 2017 Oct 25, 2017 $260

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.

DestinationDepartingReturningPrice
Champaign 6/15/17 6/19/17 $519
Bloomington, Illinois 6/15/17 6/19/17 $550
Chicago 6/17/17 6/20/17 $274

Flight Schedule Summaries Last modified: May 24, 2017 0:39 -04:00Number of routes searched: 563Number of itineraries searched: 142,399

Ontario, California to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
United -
Virgin America -
American PDX
American PHX
American ABQ
American ATL
Alaska SEA
Alaska SJC
Alaska SFO
Alaska PDX
Major Airlines SLC
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
United DEN
United SFO
United ABQ
United AUS
Virgin America SFO

Cheap Domestic Flights from Ontario - ONT Last modified: May 24, 2017 0:39 -04:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Ontario, California to Illinois - from $214 Round trip from ONT to IL