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Flights to Illinois

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Cheap round-trip flights to Illinois

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Sat, Feb 9 - Tue, Feb 12
ATL
Hartsfield-Jackson Atlanta Intl.
to
ORD
O'Hare Intl.
$101

roundtrip

found 1 hour ago

Open ATL to ORD flights search result page
Tue, Nov 19 - Tue, Nov 19
BOS
Logan Intl.
to
ORD
O'Hare Intl.
$137

roundtrip

found 5 hours ago

Open BOS to ORD flights search result page
Wed, May 1 - Tue, May 7
ATL
Hartsfield-Jackson Atlanta Intl.
to
MDW
Midway Intl.
$139

roundtrip

found 11 hours ago

Open ATL to MDW flights search result page
Sun, Apr 28 - Sun, Apr 28
MSP
Minneapolis - St. Paul Intl.
to
ORD
O'Hare Intl.
$141

roundtrip

found 3 days ago

Open MSP to ORD flights search result page
Sun, Apr 28 - Mon, Apr 29
MSP
Minneapolis - St. Paul Intl.
to
MDW
Midway Intl.
$147

roundtrip

found 4 days ago

Open MSP to MDW flights search result page
Tue, Feb 12 - Wed, Feb 13
MSP
Minneapolis - St. Paul Intl.
to
PIA
Greater Peoria Regional
$154

roundtrip

found 4 days ago

Open MSP to PIA flights search result page
Thu, Feb 7 - Tue, Feb 12
BOS
Logan Intl.
to
MDW
Midway Intl.
$160

roundtrip

found 6 hours ago

Open BOS to MDW flights search result page
Tue, Mar 26 - Tue, Mar 26
ATL
Hartsfield-Jackson Atlanta Intl.
to
STL
Lambert-St. Louis Intl.
$171

roundtrip

found 5 days ago

Open ATL to STL flights search result page
Fri, Aug 16 - Sun, Aug 18
MSP
Minneapolis - St. Paul Intl.
to
STL
Lambert-St. Louis Intl.
$178

roundtrip

found 3 days ago

Open MSP to STL flights search result page
Wed, Mar 27 - Wed, Mar 27
BOS
Logan Intl.
to
STL
Lambert-St. Louis Intl.
$188

roundtrip

found 5 days ago

Open BOS to STL flights search result page
Thu, Feb 21 - Sun, Feb 24
MSP
Minneapolis - St. Paul Intl.
to
MLI
Quad City Intl.
$212

roundtrip

found 3 days ago

Open MSP to MLI flights search result page
Wed, Feb 20 - Tue, Feb 26
ATL
Hartsfield-Jackson Atlanta Intl.
to
MLI
Quad City Intl.
$227

roundtrip

found 5 days ago

Open ATL to MLI flights search result page

Illinois

Orbitz makes it easy for you to find cheap prices for flights to Illinois. When you search for your tickets on Orbitz, you don’t have to look any further for the best Illinois flights available ever again.

Orbitz Offers Exceptional Customer Service

Orbitz understands that your travel plans may change. That’s why we make it simple to cancel your ticket for Illinois flights if necessary. All you have to do is contact the Orbitz Customer Service department to adjust your travel plans after booking. When you’re ready book your trip, just do a fresh search for the perfect flights to Illinois again.

Earn with Your Frequent Flyer Program and Orbitz

If you’re a member of a frequent flyer or airline loyalty program, you can keep earning points or miles while making your travel reservations for flights to Illinois with Orbitz! Just enter your account number during the ticket booking process and your points will be added to your account every time you book with Orbitz.

Low Prices for Illinois Flights

Orbitz has the scoop on cheap tickets and bargain airfare for flights to Illinois. You can research the best flights for your trip and make your reservations all on our website with the confidence that you’re getting a great price.

Make Travel Plans at Your Convenience

If you’re always on-the-go, you’ll appreciate the free Orbitz apps for iPhones, Android devices, and iPads, that make it simple for you to check on your flight plans while you’re out and about. Orbitz will even send you a free text, email, or voice alert to inform you of any delay in your flight.

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More to explore for Illinois

Explore Illinois with Orbitz's Travel Guides to find the best flights, cars, vacation packages and more!

Top Flight Destinations In World

Top Airports In Illinois

Top Hotels in Illinois

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.