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Cheap Flights from Denver to Illinois

Did You Know?

Denver connects with 4 cities within Illinois nonstop.
United Airlines provides 41% of the nonstop flights from Denver to Illinois.
There are no long haul direct flights between Denver and Illinois.
24,064 seats are available per week to fly direct from Denver to Illinois.
5 airlines operate between Denver and Illinois.
41% of all flights from Denver to Illinois leave during afternoon 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
$120
US Airways, American, Delta, United
$408
Delta, Frontier, American
$149
American, Delta, United
$414
American, United
$303
American
$303

Cheap Domestic Flights to Illinois - IL

Flights
Airline
Lowest Price
US Airways, Delta, United, American
$445
United, Delta, American
$547
American, Delta, United, US Airways
$426
Delta, American, US Airways, United
$530
United, US Airways, American
$443
American, US Airways, Delta, United
$302
United, Delta, American
$302
Delta, American, United
$505
Cheap Flights from Denver to Illinois - from $120 Round trip from DEN to IL