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United
Frontier Airlines
Southwest Airlines
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Cheap round-trip flights to Illinois
Prices were available within the past 7 days and start at RM2,248 for one-way flights and RM3,918 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 12 Nov - Wed, 10 Dec
KUL
Kuala Lumpur
ORD
Chicago
RM3,918 Return, found 20 hours ago
RM3,918
Return
found 20 hours ago

Sun, 28 Sep - Fri, 17 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,334 Return, found 1 day ago
RM4,334
Return
found 1 day ago

Wed, 17 Sep - Mon, 29 Sep
KUL
Kuala Lumpur
ORD
Chicago
RM4,361 Return, found 4 days ago
RM4,361
Return
found 4 days ago

Fri, 26 Sep - Sun, 5 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,525 Return, found 3 days ago
RM4,525
Return
found 3 days ago

Wed, 27 Aug - Tue, 16 Sep
KUL
Kuala Lumpur
ORD
Chicago
RM4,661 Return, found 3 days ago
RM4,661
Return
found 3 days ago

Tue, 7 Oct - Wed, 15 Oct
KUL
Kuala Lumpur
ORD
Chicago
RM4,689 Return, found 4 days ago
RM4,689
Return
found 4 days ago

Fri, 29 Aug - Tue, 2 Sep
KUL
Kuala Lumpur
ORD
Chicago
RM4,778 Return, found 1 day ago
RM4,778
Return
found 1 day ago

Sun, 16 Nov - Thu, 20 Nov
KUL
Kuala Lumpur
STL
St. Louis
RM4,968 Return, found 1 day ago
RM4,968
Return
found 1 day ago

Wed, 12 Nov - Tue, 18 Nov
KUL
Kuala Lumpur
ORD
Chicago
RM5,071 Return, found 4 days ago
RM5,071
Return
found 4 days ago

Thu, 18 Sep - Mon, 22 Sep
KUL
Kuala Lumpur
MDW
Chicago
RM5,079 Return, found 4 days ago
RM5,079
Return
found 4 days ago
About Illinois
Expedia offers flights to Illinois to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Illinois or destinations around the world and discover how easy it is to make your flight reservations on Expedia.
Frequently asked questions
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Top Illinois Hotels
- Congress Plaza Hotel
- InterContinental Chicago Magnificent Mile by IHG
- Hilton Chicago/Magnificent Mile Suites
- Embassy Suites by Hilton Chicago Downtown River North
- Crowne Plaza Chicago West Loop by IHG
- citizenM Chicago Downtown
- The Whitehall Hotel, BW Premier Collection
- Hotel Felix River North/Magnificent Mile
- Hyatt Regency Chicago
- Freehand Chicago
- Palmer House a Hilton Hotel
- The Wade
- Hilton Chicago
- Radisson Blu Aqua Hotel Chicago
- River Hotel
- L7 Chicago by LOTTE
Trending flights to Illinois
These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, 12 Nov - Wed, 10 Dec
KUL
Kuala Lumpur
ORD
Chicago
RM3,918 Return, found 20 hours ago
RM3,918
Return
found 20 hours ago
*Available to Expedia members.