Cheap Flights From Boston To Illinois

Select sites to compare prices |
  • Select all
  • Deselect all

Find Flights


Enter your destination to continue
Enter depart date to continue
Enter return date to continue
Select at least 3 sites to continue
Select your depart date
Select your return date
Location services timed out
Enable Location Services Required!
Location services not available at this time
Use current location

Cheap flights from Boston (BOS) to popular destinations in Illinois (IL)

Carrier Departure Date Return Date Lowest Price
Spirit Apr 29, 2020 May 5, 2020 $87
Spirit Apr 29, 2020 May 6, 2020 $87
Spirit May 2, 2020 May 5, 2020 $87
Spirit May 2, 2020 May 6, 2020 $87
Spirit May 2, 2020 May 7, 2020 $87
Spirit May 5, 2020 May 6, 2020 $87
Spirit May 5, 2020 May 7, 2020 $87
Spirit May 5, 2020 May 12, 2020 $87
Spirit May 5, 2020 May 13, 2020 $87
Spirit May 6, 2020 May 12, 2020 $87

Cheap Last Minute Flights from Boston to Illinois

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

Bloomington, Illinois 2/21/20 2/25/20 $235
Quincy, Illinois 2/22/20 2/25/20 $300
Moline 2/28/20 3/2/20 $235
Peoria 3/6/20 3/8/20 $274
Chicago 3/14/20 3/17/20 $105

Flight Schedule Summaries Last modified: Mar 24, 2020 5:40 -04:00Number of routes searched: 715Number of itineraries searched: 7,044,018

Boston to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
JetBlue -
Major Airlines -
Spirit -
United -
American AGS
American AUS
American CLT
American DCA
Air Canada YUL
Air Canada YYC
Air Canada YYZ
Alaska LAX
Alaska PDX
Alaska SEA
Alaska SFO
JetBlue FLL
JetBlue JFK
British Airways LHR
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
Frontier DEN
Frontier MCO
Frontier MIA
Spirit BWI
Spirit MYR
Sun Country MSP
Tap Portugal LIS
United DEN
United EWR
United IAD
United IAH

We are updating our Cookie Policy. FareCompare will use cookies and other tracking technologies to assist with navigation and product selection, analyze your use of our services, assist with our promotional and marketing efforts, and provide deals content from third parties.

Cheap Flights from Boston to Illinois - from $87 Round trip from BOS to IL