
Popular airlines to Illinois
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Frontier Airlines
United
Spirit Airlines
Southwest Airlines
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Popular cities in Illinois

Chicago
Cheap round-trip flights to Illinois
Prices were available within the past 7 days and start at €249 for one-way flights and €349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 6 Dec - Sun, 14 Dec
DUB
Dublin
ORD
Chicago
€349 Return, just found
€349
Return
just found

Fri, 7 Nov - Fri, 14 Nov
DUB
Dublin
ORD
Chicago
€360 Return, found 6 days ago
€360
Return
found 6 days ago

Sat, 1 Nov - Mon, 3 Nov
DUB
Dublin
ORD
Chicago
€379 Return, found 2 hours ago
€379
Return
found 2 hours ago

Wed, 22 Oct - Tue, 28 Oct
DUB
Dublin
ORD
Chicago
€382 Return, found 1 day ago
€382
Return
found 1 day ago

Fri, 31 Oct - Thu, 6 Nov
DUB
Dublin
ORD
Chicago
€386 Return, found 1 hour ago
€386
Return
found 1 hour ago

Sat, 6 Dec - Sun, 14 Dec
DUB
Dublin
ORD
Chicago
€388 Return, just found
€388
Return
just found

Thu, 6 Nov - Wed, 12 Nov
DUB
Dublin
ORD
Chicago
€394 Return, found 5 days ago
€394
Return
found 5 days ago

Wed, 12 Nov - Sat, 29 Nov
DUB
Dublin
ORD
Chicago
€396 Return, found 3 days ago
€396
Return
found 3 days ago

Sun, 21 Sep - Mon, 6 Oct
DUB
Dublin
ORD
Chicago
€397 Return, found 14 hours ago
€397
Return
found 14 hours ago

Thu, 30 Oct - Sun, 2 Nov
DUB
Dublin
ORD
Chicago
€398 Return, just found
€398
Return
just found
About Illinois
Expedia offers flights to Illinois to meet every traveller'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
Top Flight Destinations In Illinois
- Flights to Chicago
- Flights to St. Louis
- Flights to Lake Geneva
- Flights to Galena
- Flights to Schaumburg
- Flights to Springfield
- Flights to Dubuque
- Flights to Naperville
- Flights to Rockford
- Flights to Arlington Heights
- Flights to Oak Brook
- Flights to Peoria
- Flights to Gurnee
- Flights to Paducah
- Flights to Joliet
- Flights to Tinley Park
Top Flight Destinations In World
- Flights to Canada
- Flights to United States of America
- Flights to China
- Flights to United Kingdom
- Flights to Mexico
- Flights to France
- Flights to Philippines
- Flights to India
- Flights to Australia
- Flights to Japan
- Flights to Indonesia
- Flights to Russia
- Flights to South Korea
- Flights to Thailand
- Flights to Germany
- Flights to Brazil
- Flights to Argentina
- Flights to Italy
- Flights to Norway
- Flights to Sweden
Top Illinois Hotels
- Embassy Suites by Hilton Chicago Downtown River North
- Congress Plaza Hotel
- The Wade
- Hilton Garden Inn Chicago Downtown/Magnificent Mile
- Hilton Chicago/Magnificent Mile Suites
- citizenM Chicago Downtown
- Freehand Chicago
- InterContinental Chicago Magnificent Mile by IHG
- Hyatt Regency Chicago
- Hilton Chicago
- The Allegro Royal Sonesta Hotel Chicago Loop
- Palmer House a Hilton Hotel
- River Hotel
- Hotel Felix River North/Magnificent Mile
- The Whitehall Hotel, BW Premier Collection
- The Chicago Hotel Collection - Magnificent Mile
- Club Quarters Hotel, Central Loop, Chicago
- The Royal Sonesta Chicago Downtown
- The Midland Hotel Chicago, a Tribute Portfolio Hotel
- L7 Chicago by LOTTE
Expedia's Latest Trends
Flights
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Holiday Rentals
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.

Sat, 6 Dec - Sun, 14 Dec
DUB
Dublin
ORD
Chicago
€349 Return, just found
€349
Return
just found
*Available to Expedia members.