Cheap Flights to Illinois from ₩177,400

Popular airlines to Illinois

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Korean Air

    Korean Air

  • Air Canada

    Air Canada

  • Etihad Airways

    Etihad Airways

  • Turkish Airlines

    Turkish Airlines

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Top Cities to Visit in Illinois

Chicago showing rides
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Chicago

Chicago
Rosemont
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Rosemont

Rosemont

How much is the cheapest flight to Illinois?

Prices were available within the past 7 days and start at ₩177,400 for one-way flights and ₩287,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Thu, Aug 7 - Thu, Aug 14
YTZ
Toronto
MDW
Chicago
₩287,400 Roundtrip, found 15 hours ago
₩287,400
Roundtrip
found 15 hours ago
Select Porter Airlines flight, departing Thu, Aug 7 from Toronto to Chicago, returning Thu, Aug 14, priced at ₩287,400 found 15 hours ago
Air Canada
Fri, Aug 8 - Fri, Aug 15
YTZ
Toronto
ORD
Chicago
₩390,800 Roundtrip, found 6 days ago
₩390,800
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Aug 8 from Toronto to Chicago, returning Fri, Aug 15, priced at ₩390,800 found 6 days ago
American Airlines
Thu, Sep 11 - Wed, Sep 17
ICN
Seoul
STL
St. Louis
₩924,500 Roundtrip, found 2 hours ago
₩924,500
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Sep 11 from Seoul to St. Louis, returning Wed, Sep 17, priced at ₩924,500 found 2 hours ago
Delta
Tue, Oct 14 - Tue, Oct 21
ICN
Seoul
STL
St. Louis
₩929,000 Roundtrip, found 4 days ago
₩929,000
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 14 from Seoul to St. Louis, returning Tue, Oct 21, priced at ₩929,000 found 4 days ago
United
Tue, Oct 14 - Tue, Oct 21
ICN
Seoul
STL
St. Louis
₩956,000 Roundtrip, found 4 days ago
₩956,000
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 14 from Seoul to St. Louis, returning Tue, Oct 21, priced at ₩956,000 found 4 days ago
American Airlines
Tue, Oct 7 - Tue, Oct 21
ICN
Seoul
CMI
Champaign
₩974,200 Roundtrip, found 6 days ago
₩974,200
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 7 from Seoul to Champaign, returning Tue, Oct 21, priced at ₩974,200 found 6 days ago
American Airlines
Mon, Sep 22 - Wed, Oct 29
ICN
Seoul
EVV
Evansville
₩975,400 Roundtrip, found 3 days ago
₩975,400
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 22 from Seoul to Evansville, returning Wed, Oct 29, priced at ₩975,400 found 3 days ago
American Airlines
Sun, Mar 1 - Tue, Mar 24
ICN
Seoul
PIA
Peoria
₩1,044,200 Roundtrip, found 6 days ago
₩1,044,200
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Mar 1 from Seoul to Peoria, returning Tue, Mar 24, priced at ₩1,044,200 found 6 days ago
American Airlines
Mon, Sep 8 - Mon, Sep 29
ICN
Seoul
BMI
Bloomington
₩1,050,400 Roundtrip, found 3 days ago
₩1,050,400
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Sep 8 from Seoul to Bloomington, returning Mon, Sep 29, priced at ₩1,050,400 found 3 days ago
Korean Air
Mon, Dec 8 - Wed, Dec 31
ICN
Seoul
STL
St. Louis
₩1,061,106 Roundtrip, found 16 hours ago
₩1,061,106
Roundtrip
found 16 hours ago
Select Korean Air flight, departing Mon, Dec 8 from Seoul to St. Louis, returning Wed, Dec 31, priced at ₩1,061,106 found 16 hours 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.

Trending flights to Illinois

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Sep 11 - Wed, Sep 17
ICN
Seoul
STL
St. Louis
₩924,500 Roundtrip, found 2 hours ago
₩924,500
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Thu, Sep 11 from Seoul to St. Louis, returning Wed, Sep 17, priced at ₩924,500 found 2 hours ago
*Available to Expedia members.