Book airline tickets to Illinois and save big on your next trip. Be it a romantic holiday, a fun filled get away or simply a leisure vacation, Illinois has something for every traveler. Explore its glorious past at countless museums like the hall of fame, Abraham Lincoln Presidential Library and Museum and Abraham Lincoln Presidential Library and Museum. Illinois attracts millions of history buffs who come here to explore historically important sites like The Farnsworth House Estate, Black Hawk State Historic Site, Naper Settlement and Nauvoo Temple. Along with historical sites, the city is studded with countless other attractions.
Head towards Carlyle Lake, Rend Lake State Fish and Wildlife Area, Cache River State Natural Area and Wayne Fitzgerrell State Park and enjoy a wide range of outdoor activities like hiking, camping and water sports. Nature-lovers can enjoy mesmerizing natural beauty at the Historic Route 66-Scenic Byways, Great River Road and Ohio River Scenic Byway. Illinois is dotted with a number of amusement parks, a perfect place to unwind and relax while you have fun! Malls and dedicated shopping districts allow you to shop for anything from antiques to fashion jewelry. For nightlife, try your luck at a casino, chill out in a bar or dance the night away in a disco, options are many! Find great Illinois flight deals on Onetravel and take off for a memorable holiday!
In the unlikely event that you find a lower rate on OneTravel or on another U.S.-based website within 4 hours of booking with OneTravel.com, we will credit or refund you the difference. Should you contact us after 4 hours but no later than 24 hours, we will give you a US$50.00 coupon good on a future booking at OneTravel.com. The Low Fare Promise is subject to the terms and conditions listed below. This offer is good for website bookings only, and not on phone bookings.
Fares are roundtrip and include all fuel surcharges, our service fees and taxes. Tickets are nonrefundable, nontransferable, non-assignable. Name changes are not permitted. Fares are subject to change without notice. Fares subject to availability. There is a higher probability of seats being available at this fare on Tuesday, Wednesday and Thursday, and may require a Saturday night stay at your destination. Lowest fares may require an advance purchase of up to 21 days. Certain blackout dates may apply. Holidays and weekend travel may have a surcharge. Other restrictions may apply. Additional terms and conditions of purchase.
Savings are indicated off the full unrestricted published airfare of major scheduled airlines. The discounts vary based on availability, advance notice, minimum stay, travel dates and blackout dates, and deals may change from time to time without notice. Most of these discounted fares are non-refundable and have restrictions on date/routing changes. Fares are roundtrip and include fuel surcharges, our service fees and taxes. Additional terms and conditions may apply.
Enter Promo at time of check out. Promo code provides $15 or the amount of the promo code, discount for stated routes against our service fees. Use of Promo code is in addition to any applicable instant savings offers. Actual amount of discount varies based on the service fees charged. Service fee discount will be up to the amount of the service fees charged less any applicable instant savings for that transaction or the value of the promo code, whichever is less. Promo code expires on date stated and can be withdrawn without notice.