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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 Mar 14, 2017 Mar 21, 2017 $206
United Mar 7, 2017 Mar 8, 2017 $212
United Apr 29, 2017 May 2, 2017 $225
United Apr 26, 2017 Apr 29, 2017 $225
United Mar 22, 2017 Mar 29, 2017 $250
United Apr 11, 2017 Apr 25, 2017 $250
United Mar 15, 2017 Mar 28, 2017 $250
United Apr 30, 2017 May 2, 2017 $250
United May 3, 2017 May 6, 2017 $250
United Apr 24, 2017 May 2, 2017 $256

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
Chicago 3/3/17 3/5/17 $350

Flight Schedule Summaries Last modified: Feb 22, 2017 0:39 -05:00Number of routes searched: 620Number of itineraries searched: 200,647

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 PDX
Alaska SFO
Major Airlines SLC
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
Frontier DEN
United DEN
United SFO
United ASE
United BOS
Virgin America SFO

Cheap Domestic Flights from Ontario - ONT Last modified: Feb 22, 2017 0:39 -05:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Ontario, California to Illinois - from $206 Round trip from ONT to IL