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Cheap Flights from Chicago to Ontario

Did You Know?

The most popular destination from Chicago, IL is La Guardia.
There are 488 direct flights from Chicago to Ontario.
Toronto, ON is the most popular connecting city from Chicago, IL to Ontario.
The shortest flight from Chicago, IL to Ontario is 351 miles.
There are 48 carriers flying into Ontario.
The longest flight from Chicago, IL to Ontario is 652 miles.
There are 94 connecting cities from Chicago, IL to Ontario.
The earliest flight from Chicago, IL leaves at 1:00 am.

Cheap International Flights from Chicago - CHI

Flights
Airline
Lowest Price
Air Canada, United, Delta, American, WestJet, Porter, US Airways
$238
United, American, US Airways, WestJet, Delta, Air Canada, Porter
$369
Air Canada, United
$321
Delta, Air Canada, United, Porter, WestJet
$338
United, Air Canada, Porter
$263
Porter, Air Canada
$260
Air Canada
$665
Porter, Air Canada
$248
Air Canada
$621
Cheap Flights from Chicago to Ontario - from $238 Round trip from CHI to ON