Flights
Hotels
From
To
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.
Flights
Hotels
Round-trip
One-way
1 traveler
Unsupported Browser!
Find Flights
Finding cheap flights is simple. More than 36 million people last year saved hundreds by using our flights tool.

Cheap Flights From Ontario To Illinois Last modified: Aug 27, 2016 12:41 AM

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

Champaign
Carrier Departure Date Return Date Lowest Price
American Oct 4, 2016 Oct 11, 2016 $356
American Dec 25, 2016 Jan 4, 2017 $441
American Dec 25, 2016 Jan 8, 2017 $441
American Dec 26, 2016 Jan 5, 2017 $621
American Dec 24, 2016 Jan 3, 2017 $651
Chicago
Carrier Departure Date Return Date Lowest Price
United Sep 24, 2016 Oct 11, 2016 $167
United Nov 8, 2016 Nov 12, 2016 $174
United Nov 2, 2016 Nov 5, 2016 $174
United Nov 9, 2016 Nov 15, 2016 $174
American Oct 2, 2016 Oct 6, 2016 $177
American Oct 2, 2016 Oct 5, 2016 $177
American Sep 11, 2016 Sep 17, 2016 $177
United Dec 7, 2016 Dec 12, 2016 $184
United Dec 3, 2016 Dec 5, 2016 $189
United Oct 27, 2016 Nov 5, 2016 $194
Peoria
Carrier Departure Date Return Date Lowest Price
American Sep 21, 2016 Sep 27, 2016 $328
United Sep 21, 2016 Sep 27, 2016 $361
Springfield
Carrier Departure Date Return Date Lowest Price
American Oct 24, 2016 Oct 26, 2016 $364
American Sep 22, 2016 Sep 27, 2016 $364
American Sep 22, 2016 Sep 25, 2016 $370
United Sep 22, 2016 Sep 27, 2016 $411
United Sep 22, 2016 Sep 25, 2016 $464

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Ontario to Illinois

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Ontario to Illinois.

DestinationDepartingReturningPrice
Chicago 9/2/16 9/4/16 $407

Flight Schedule Summaries Number of flights searched: 540Last modified: Aug 27, 2016 12:41 AM

Ontario to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
Alaska SEA X X X X X X X
Delta SLC X X X X X X X
Delta SLC / ATL X X X X X X X
United DEN X X X X X X X
Southwest - X X X X X X X
Southwest PHX X X X X X X X
Ontario to Bloomington - Normal
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
American PHX / DFW X X X X X X X
Delta SLC / ATL X X X X X X
Ontario to Champaign
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
American PHX / ORD X X X X X X X
Ontario to Moline
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
American PHX / DFW X X X X X X X
Delta SLC / MSP X X X X X X X
United DEN X X X X X X X
Ontario to Peoria
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
American PHX / ORD X X X X X X X
Delta SLC / MSP X X X X X X X
United SFO / ORD X X X X X X X
Ontario to Springfield
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
American PHX / DFW X X X X X X X
United DEN / ORD X X X X X X X

Cheap Domestic Flights from Ontario - ONT

FlightsAirlineLowest Price
Ontario to Chicago American, Alaska, Delta, United $167
Ontario to Moline American, Alaska, Delta, United Check Dates
Ontario to Bloomington - Normal American, Delta Check Dates
Ontario to Springfield American, United $364
Ontario to Peoria American, Delta, United $328
Ontario to Champaign American $356

Cheap Domestic Flights to Illinois - IL

FlightsAirlineLowest Price
Los Angeles to Chicago American, Alaska, JetBlue, Delta, Frontier, Spirit, United, Virgin America $81
San Diego to Chicago American, Alaska, Delta, Frontier, Spirit, United, Virgin America $117
Las Vegas to Chicago American, Alaska, Delta, Frontier, Spirit, United, Virgin America $96
Santa Ana to Chicago American, Alaska, Delta, Frontier, United $157
Burbank to Chicago American, Alaska, Delta, United $177
Palm Springs to Chicago American, Alaska, Delta, United, Virgin America $359
Long Beach to Chicago American, Alaska, JetBlue, Delta $314
Los Angeles to Moline American, Alaska, Delta, United $290
Bakersfield to Chicago American, United $354
Santa Barbara to Chicago American, Alaska, United $354
Los Angeles to Bloomington - Normal American, Delta $324
Los Angeles to Peoria American, Delta, United $290
Los Angeles to Champaign American $322
Las Vegas to Bloomington - Normal American, Delta Check Dates
Los Angeles to Springfield American, United $290
Las Vegas to Moline American, Alaska, Delta, United $360
Las Vegas to Peoria American, Delta, United $307
Yuma to Chicago American, Alaska $326
San Luis Obispo to Chicago American, Alaska, United $354
San Diego to Moline American, Alaska, Delta, United $330
San Diego to Bloomington - Normal American, Delta $485
San Diego to Peoria American, Delta, United $353
Palomar to ChicagoCheck Dates
Las Vegas to Champaign American Check Dates
Cheap Flights from Ontario to Illinois - from $167 Round trip from ONT to IL