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Cheap Flights from Ontario to Illinois

Did You Know?

The largest aircraft flying nonstop from Ontario to Illinois is the Boeing 737-700 (Winglets) with 143 seats.
There are 6 nonstop flights per week from Ontario and Illinois on medium sized aircraft.
Only one airline operates between Ontario and Illinois.
67% of all flights from Ontario to Illinois arrive during evening hours.
Ontario has 6 long haul flights nonstop to Illinois each week.
The lengthiest nonstop flight from Ontario to Illinois lasts 3:50.
The longest nonstop flight between Ontario and Illinois is 1,701 miles.
There are no short haul direct flights between Ontario and Illinois.

Cheap Domestic Flights from Ontario - ONT

Flights
Airline
Lowest Price
American, Alaska, United, Delta, US Airways
$321
US Airways, American, United, Delta
$351
Delta, American
$351
American, United
$351
American, United, Delta, US Airways
$351
American
$351

Cheap Domestic Flights to Illinois - IL

Flights
Airline
Lowest Price
Sun Country, Alaska, AirTran, Virgin America, Frontier, Spirit, American, United, Delta, US Airways
$204
Sun Country, Spirit, Virgin America, AirTran, American, US Airways, Alaska, Delta, United, Frontier
$213
American, Sun Country, Spirit, Frontier, AirTran, United, Alaska, Delta, Virgin America, US Airways
$138
American, AirTran, Alaska, Frontier, US Airways, Delta, United
$273
United, Alaska, Delta, US Airways
$319
Virgin America, Alaska, United, Delta, US Airways, Sun Country, Frontier, American
$338
US Airways, Delta, Alaska, American
$373
United, US Airways, Delta, American
$353
US Airways, United
$393
United, American, Frontier, US Airways, Alaska
$391
Delta, American, Frontier
$338
Delta, United, US Airways, American
$353
American, Frontier, Delta
$322
American, United
$353
American, United, Delta, US Airways
$322
United, US Airways, American, Delta
$322
United, US Airways
$325
United, US Airways, Delta, American
$353
Frontier, American, Delta
$338
American, US Airways, Delta, United
$353
American
$322
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Cheap Flights from Ontario to Illinois - from $321 Round trip from ONT to IL