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Cheap Flights from Oklahoma City to Illinois

Did You Know?

Minneapolis-St Paul, MN is the most popular connecting city from Oklahoma City, OK to Illinois.
There are 141 direct flights from Oklahoma City to Illinois.
The longest flight from Oklahoma City, OK to Illinois is 692 miles.
The most popular destination from Oklahoma City, OK is Denver International.
The earliest flight from Oklahoma City, OK leaves at 5:30 am.
There are 19 connecting cities from Oklahoma City, OK to Illinois.
The shortest flight from Oklahoma City, OK to Illinois is 692 miles.
There are 43 carriers flying into Illinois.

Cheap Domestic Flights from Oklahoma City - OKC

Flights
Airline
Lowest Price
United, Delta, US Airways, American, Alaska, Frontier, AirTran
$246
United, Delta, American
$289
American, Delta, United, US Airways
$289
United, American
$289
Delta, Frontier, American
$289
Cheap Flights from Oklahoma City to Illinois - from $246 Round trip from OKC to IL