Cheap Flights to Sidney

View ₩337,400 flight on Sun, Aug 23, 2026Opens in a new window

Popular airlines to Sidney

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How much is the cheapest flight to Sidney?

Prices were available within the past 7 days and start at ₩337,400 for one-way flights and ₩441,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Aug 23 - Mon, Dec 14
ORD
Chicago
CMI
Champaign
₩441,100 Roundtrip, found 18 hours ago
₩441,100
Roundtrip
found 18 hours ago
Select United flight, departing Sun, Aug 23 from Chicago to Champaign, returning Mon, Dec 14, priced at ₩441,100 found 18 hours ago
American Airlines
Sun, Aug 23 - Mon, Dec 14
ORD
Chicago
CMI
Champaign
₩500,300 Roundtrip, found 18 hours ago
₩500,300
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Aug 23 from Chicago to Champaign, returning Mon, Dec 14, priced at ₩500,300 found 18 hours ago
American Airlines
Sun, Aug 23 - Mon, Dec 14
ORD
Chicago
CMI
Champaign
₩514,900 Roundtrip, found 18 hours ago
₩514,900
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Aug 23 from Chicago to Champaign, returning Mon, Dec 14, priced at ₩514,900 found 18 hours ago
American Airlines
Sun, Aug 23 - Mon, Dec 14
ORD
Chicago
CMI
Champaign
₩652,600 Roundtrip, found 18 hours ago
₩652,600
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Aug 23 from Chicago to Champaign, returning Mon, Dec 14, priced at ₩652,600 found 18 hours ago
American Airlines
Sun, Aug 23 - Mon, Dec 14
ORD
Chicago
CMI
Champaign
₩667,200 Roundtrip, found 18 hours ago
₩667,200
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Aug 23 from Chicago to Champaign, returning Mon, Dec 14, priced at ₩667,200 found 18 hours ago

Book with confidence

Searching for cheap flights to Sidney? No travel company presents more choices than Expedia if you're looking to compare flights to Sidney. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Illinois. Expedia provides the cheapest flights to many destinations in Illinois and you may find even greater savings if you combine your flight with a hotel stay in Sidney.

Travel information

Destination airport
University Of Illinois Urbana-Champaign Williard
Destination airport IATA code
CMI
Destination city name
Champaign
Roundtrip price
₩441,100
*Available to Expedia members.