Cheap Flights From Ontario, California To Illinois

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

Chicago
Carrier Departure Date Return Date Lowest Price
United Nov 5, 2018 Nov 7, 2018 $242
United Nov 3, 2018 Nov 8, 2018 $244
United Nov 5, 2018 Nov 8, 2018 $247
Alaska Oct 9, 2018 Oct 11, 2018 $247
Alaska Nov 5, 2018 Nov 7, 2018 $249
American Oct 15, 2018 Oct 16, 2018 $250
American Nov 5, 2018 Nov 7, 2018 $250
American Nov 3, 2018 Nov 8, 2018 $250
United Oct 20, 2018 Oct 23, 2018 $266
United Oct 17, 2018 Oct 23, 2018 $266

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
Springfield, Illinois 10/12/18 10/15/18 $574
Bloomington, Illinois 10/13/18 10/16/18 $371
Peoria 10/18/18 10/22/18 $592
Chicago 10/20/18 10/23/18 $266
Moline 10/27/18 10/30/18 $385

Flight Schedule Summaries Last modified: Sep 20, 2018 3:39 -04:00Number of routes searched: 385Number of itineraries searched: 79,568

Ontario, California to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Alaska -
United -
American PHX
American ABQ
American ASE
American BOS
Alaska PDX
Alaska SEA
Alaska SFO
JetBlue JFK
Major Airlines SLC
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
Frontier DEN
Frontier MCO
Spirit DFW
United DEN
United SFO
United BOS
United CVG

Cheap Domestic Flights from Ontario - ONT Last modified: Sep 20, 2018 3:39 -04:00Prices shown were found by travelers like you over the past 30 days

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Cheap Flights from Ontario, California to Illinois - from $242 Round trip from ONT to IL