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Cheap Flights from Ontario to Chicago - ONT to CHI (reverse)

Did You Know?

There are 4933 flights from Ontario, CA to Chicago per week.
1,001 seats are available per week to fly direct from Ontario, CA to Chicago.
Southwest has 7 nonstop flights between Ontario, CA and Chicago.
The quickest nonstop flight from Ontario, CA to Chicago lasts 3:50.
259,177 seats are available per week to fly from Ontario, CA to Chicago.
The smallest aircraft flying nonstop from Ontario, CA to Chicago is the Boeing 737-700 (Winglets) with 143 seats.
Only one airline operates between Ontario, CA and Chicago.
American Airlines has 490 connecting flights between Ontario, CA and Chicago.

Daily Non-stop Flight Schedules from Ontario International to Midway International

Airline
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Earliest Flight
Latest Flight
Southwest
1
1
1
1
1
1
1
6:00 AM
2:00 PM

Cheap Domestic Flights to Chicago - CHI

Flights
Airline
Lowest Price
Sun Country, Alaska, AirTran, Virgin America, Frontier, Spirit, American, United, Delta, US Airways
$235
Sun Country, Spirit, Virgin America, AirTran, American, US Airways, Alaska, Delta, United, Frontier
$174
American, Sun Country, Spirit, Frontier, AirTran, United, Alaska, Delta, Virgin America, US Airways
$264
American, AirTran, Alaska, Frontier, US Airways, Delta, United
$264
United, Alaska, Delta, US Airways
$320
Virgin America, Alaska, United, Delta, US Airways, Sun Country, Frontier, American
$364
US Airways, Delta, Alaska, American
$340
US Airways, United
$264
United, American, Frontier, US Airways, Alaska
$264
United, US Airways
$356
Sun Country, United, Alaska, US Airways, Spirit, Hawaiian, JetBlue, Frontier, Virgin America, AirTran, American
$310
Alaska, AirTran, Frontier, Spirit, US Airways, American, Delta, United
$282
AirTran, Frontier, American, US Airways, United, Delta
$266
Frontier, Virgin America, Spirit, Sun Country, US Airways, American, Delta, United, Alaska
$185
US Airways, Frontier, American, Alaska, Delta, United, AirTran, Spirit
$235
US Airways, AirTran, Frontier, American, Delta, United
$261
Spirit, Virgin America, Boutique, Alaska, United, Delta, US Airways, Hawaiian, American
$105
AirTran, Spirit, Sun Country, US Airways, American, United, JetBlue, Frontier, Virgin America
$154
AirTran, Alaska, Frontier, United, Delta, American, US Airways
$266
Sun Country, US Airways, Spirit, Frontier, AirTran, American, Delta, United, Alaska
$215
Frontier, Alaska, Delta, US Airways, United, American, Spirit
$145
United, Alaska, AirTran, Frontier, American, US Airways, Delta
$266
Frontier, Delta, Alaska, United, US Airways, American
$266
Frontier, United, US Airways, Delta, American, AirTran
$266
Alaska, Delta, US Airways, American, AirTran, United, Frontier, Spirit
$235
Alaska, United, Delta, US Airways, American, Frontier, AirTran
$315

Cheap International Flights to Chicago - CHI

Flights
Airline
Lowest Price
AeroMexico
$803
WestJet, American, US Airways, Delta, Air Canada, United, Alaska, El Al
$464
Cheap Flights from Ontario to Chicago, from $317 Round trip from ONT to CHI