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Cheap Flights From Ontario To Illinois Last modified: Jul 1, 2016 6:34 PM

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 $329
United Oct 4, 2016 Oct 11, 2016 $414
American Dec 6, 2016 Dec 14, 2016 $439
United Dec 6, 2016 Dec 14, 2016 $628
Chicago
Carrier Departure Date Return Date Lowest Price
United Sep 13, 2016 Sep 20, 2016 $165
United Sep 14, 2016 Sep 21, 2016 $174
United Sep 12, 2016 Sep 14, 2016 $187
United Sep 7, 2016 Sep 11, 2016 $187
United Sep 14, 2016 Sep 22, 2016 $187
United Sep 7, 2016 Sep 12, 2016 $194
United Sep 9, 2016 Sep 11, 2016 $200
United Sep 9, 2016 Sep 12, 2016 $200
American Sep 13, 2016 Sep 20, 2016 $217
Moline
Carrier Departure Date Return Date Lowest Price
American Oct 4, 2016 Oct 8, 2016 $363
United Sep 14, 2016 Sep 28, 2016 $368
United Oct 4, 2016 Oct 8, 2016 $376
American Sep 14, 2016 Sep 28, 2016 $376
United Oct 13, 2016 Oct 17, 2016 $510
Peoria
Carrier Departure Date Return Date Lowest Price
American Sep 6, 2016 Sep 17, 2016 $368
United Sep 6, 2016 Sep 17, 2016 $380
United Aug 12, 2016 Aug 20, 2016 $380
United Oct 27, 2016 Nov 1, 2016 $384
American Sep 7, 2016 Sep 18, 2016 $410
American Sep 5, 2016 Sep 16, 2016 $410
United Sep 7, 2016 Sep 18, 2016 $414
American Aug 13, 2016 Aug 21, 2016 $414
Springfield
Carrier Departure Date Return Date Lowest Price
American Jul 25, 2016 Jul 30, 2016 $386
United Jul 25, 2016 Jul 30, 2016 $471

Cheap Domestic Flights from Ontario - ONT

FlightsAirlineLowest Price
Ontario to Chicago American, Alaska, United $165
Ontario to Moline American, Alaska, United $363
Ontario to Bloomington - Normal American, United Check Dates
Ontario to Springfield American, Alaska, United $386
Ontario to Peoria American, Alaska, United $368
Ontario to Champaign American, Alaska, United $329

Cheap Domestic Flights to Illinois - IL

FlightsAirlineLowest Price
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $127
San Diego to Chicago American, Alaska, Frontier, Spirit, United, Virgin America $92
Las Vegas to Chicago American, Alaska, Frontier, Spirit, United, Virgin America $137
Santa Ana to Chicago American, Alaska, Frontier, United $165
Burbank to Chicago American, Alaska, United $290
Palm Springs to Chicago American, Alaska, United, Virgin America $365
Long Beach to Chicago American, Alaska, JetBlue, United $262
Los Angeles to Moline American, Alaska, United $284
Bakersfield to Chicago American, United $402
Santa Barbara to Chicago American, Alaska, United $362
Los Angeles to Bloomington - Normal American, United $291
Los Angeles to Peoria American, Alaska, United $284
Los Angeles to Champaign American $325
Las Vegas to Bloomington - Normal American, United Check Dates
Los Angeles to Springfield American, Alaska, United $284
Las Vegas to Moline American, United $304
Las Vegas to Peoria American, United $304
Yuma to Chicago American, Alaska $294
San Luis Obispo to Chicago American, United $383
San Diego to Moline American, Alaska, United $314
San Diego to Bloomington - Normal American, Alaska, United $422
San Diego to Peoria American, Alaska, United $397
Palomar to ChicagoCheck Dates
Las Vegas to Champaign American, Alaska $302
Cheap Flights from Ontario to Illinois - from $165 Round trip from ONT to IL