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The cheapest flights to Illinois were $106 for round trip flights and $54 for one-way flights in the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Reviewed on Oct 16, 2021
Reviewed on Oct 5, 2021
Reviewed on Sep 11, 2021
Getting a deal on your Illinois airfare is just the first step. CheapTickets gives you the flexibility to mix and match departure and return flights, so you can create the itinerary that meets your needs. You also can choose your seats on cheap flights to Illinois. And, if you have a frequent flier number, we'll send it to the airline so you accrue miles on applicable Illinois flights.
CheapTickets makes it easy to cancel cheap flights to Illinois online — no phone calls, no waiting. If you need to exchange your tickets, you can do that online too. We'll help you find new cheap Illinois flights that better suit your needs.
We want your cheap flights to Illinois to go smoothly. Our free Care Alerts give you real-time updates on weather delays, gate changes, and events that might affect your Nashville flights. Choose to have alerts delivered to your phone or PDA. If you have a mobile device, you can even check flight status or view details of your cheap Illinois flights on m.cheaptickets.com anytime, anywhere.
For travel on the cheap, Illinois flights on CheapTickets are the way to go. No one else has automatic a suite of sophisticated tools to help you spot bargain Illinois airfare. Add to that a team of travel experts watching out for your journey and you'll find it only pays to book your Illinois cheap flights on CheapTickets.
Instead of booking cheap flights to Illinois, book a vacation package. Booking a hotel with your Illinois flight can save you money because you'll get access to discounted rates that aren't available by booking separately.
Whether for business or pleasure, on trips to Illinois, cheap flights mean frequent flier miles. You can keep miles you earn from select cheap flights to Illinois booked on CheapTickets. When your frequent flier number is in your CheapTickets profile, we automatically pass along information about your Illinois flights to the airline.
*Savings based on all holiday package bookings with Flight + Hotel on CheapTickets.com from January through December 2017, as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages. For Free Flight or 100% Off Flight deals, package savings is greater than or equal to the current cost of one component, when both are priced separately.