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Cheap Flights from Denver to Illinois

Did You Know?

Denver connects with 2 cities within Illinois nonstop.
United Airlines provides 38% of the nonstop flights from Denver to Illinois.
There are no long haul direct flights between Denver and Illinois.
27,436 seats are available per week to fly direct from Denver to Illinois.
5 airlines operate between Denver and Illinois.
35% of all flights from Denver to Illinois leave during morning hours.
The shortest nonstop flight between Denver and Illinois is 749 miles.
There are no short haul direct flights between Denver and Illinois.

Cheap Domestic Flights from Denver - DEN

Flights
Airline
Lowest Price
Frontier, Spirit, United, Alaska, Delta, US Airways, American, AirTran
$82
US Airways, American, Delta, United
$386
Delta, Frontier, American
$292
American, Delta, United
$402
American, United
$308
American
$308

Cheap Domestic Flights to Illinois - IL

Flights
Airline
Lowest Price
US Airways, Delta, United, American
$297
United, Delta, American
$469
American, Delta, United, US Airways
$398
Delta, American, US Airways, United
$486
United, US Airways, American
$413
American, US Airways, Delta, United
$280
United, Delta, American
$276
Delta, American, United
$450
Cheap Flights from Denver to Illinois - from $82 Round trip from DEN to IL