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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
Alaska, United, Delta, US Airways, American, Spirit, Frontier, AirTran
$138
United, Delta, US Airways, American
$364
Delta, American, Frontier
$138
United, Delta, American
$366
United, American
$289
American
$289

Cheap Domestic Flights to Illinois - IL

Flights
Airline
Lowest Price
United, Delta, US Airways, American
$403
United, Delta, American
$422
United, Delta, US Airways, American
$518
Delta, United, US Airways, American
$416
United, US Airways, American
$427
United, Delta, US Airways, American
$288
United, Delta, American
$288
United, Delta, American
$296
Cheap Flights from Denver to Illinois - from $138 Round trip from DEN to IL