Cheap Flights From Denver To Illinois

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Cheap flights from Denver (DEN) to popular destinations in Illinois (IL)

Carrier Departure Date Return Date Lowest Price
Frontier Feb 28, 2019 Mar 3, 2019 $83
Frontier Feb 20, 2019 Feb 25, 2019 $92
Frontier Jan 30, 2019 Feb 3, 2019 $92
Frontier Feb 8, 2019 Feb 11, 2019 $95
United Jan 23, 2019 Jan 27, 2019 $101
United Jan 23, 2019 Jan 26, 2019 $101
American Feb 13, 2019 Feb 17, 2019 $101
United Jan 23, 2019 Feb 5, 2019 $101
American Feb 12, 2019 Feb 17, 2019 $101
United Jan 19, 2019 Jan 26, 2019 $101

Cheap Last Minute Flights from Denver to Illinois Prices shown were found by travelers like you over the past 30 days

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Denver to Illinois. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Bloomington, Illinois 1/18/19 1/20/19 $478
Moline 2/7/19 2/10/19 $307
Chicago 2/8/19 2/11/19 $95
Peoria 2/14/19 2/19/19 $288

Flight Schedule Summaries Last modified: Jan 16, 2019 4:59 -05:00Number of routes searched: 734Number of itineraries searched: 2,959,260

Denver to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
Frontier -
Spirit -
United -
American CLT
American DFW
American LAX
American MIA
Air Canada YYZ
Alaska LAX
Alaska SEA
JetBlue BOS
JetBlue JFK
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
Major Airlines JFK
Frontier AUS
Frontier HRL
Frontier LAS
Frontier MCO
Spirit AUS
Spirit BWI
Spirit DFW
Spirit FLL
Sun Country MSP
United ABQ
United ASE
United ATL
United ATW

Cheap Domestic Flights from Denver - DEN Last modified: Jan 16, 2019 4:59 -05:00Prices shown were found by travelers like you over the past 30 days

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Cheap Flights from Denver to Illinois - from $83 Round trip from DEN to IL