A calm lake surrounded by trees and vegetation.

Cheap Flights to Southwest Illinois

Photo by Southernmost Illinois Tourism Bureau
Open Photo by Southernmost Illinois Tourism Bureau

Expedia's flights to Southwest Illinois

Prices were available within the past 7 days and start at ₩241,900 for one-way flights and ₩1,933,200 for roundtrip, for the period specified. Prices and availability are subject to change.
Delta
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩241,900
One way
Found 19 hours ago
Select Delta flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩241,900 Found 19 hours ago
Delta
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩262,100
One way
Found 19 hours ago
Select Delta flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩262,100 Found 19 hours ago
American Airlines
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩302,700
One way
Found 19 hours ago
Select American Airlines flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩302,700 Found 19 hours ago
Delta
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩309,300
One way
Found 19 hours ago
Select Delta flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩309,300 Found 19 hours ago
American Airlines
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩322,900
One way
Found 19 hours ago
Select American Airlines flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩322,900 Found 19 hours ago
Delta
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩329,600
One way
Found 19 hours ago
Select Delta flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩329,600 Found 19 hours ago
American Airlines
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩351,200
One way
Found 19 hours ago
Select American Airlines flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩351,200 Found 19 hours ago
Delta
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩357,900
One way
Found 19 hours ago
Select Delta flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩357,900 Found 19 hours ago
American Airlines
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩364,700
One way
Found 19 hours ago
Select American Airlines flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩364,700 Found 19 hours ago
American Airlines
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩370,100
One way
Found 19 hours ago
Select American Airlines flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩370,100 Found 19 hours ago
American Airlines
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩380,800
One way
Found 19 hours ago
Select American Airlines flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩380,800 Found 19 hours ago
Delta
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩388,900
One way
Found 19 hours ago
Select Delta flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩388,900 Found 19 hours ago
American Airlines
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩394,300
One way
Found 19 hours ago
Select American Airlines flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩394,300 Found 19 hours ago
American Airlines
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩401,000
One way
Found 19 hours ago
Select American Airlines flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩401,000 Found 19 hours ago
Delta
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩403,700
One way
Found 19 hours ago
Select Delta flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩403,700 Found 19 hours ago
Delta
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩409,100
One way
Found 19 hours ago
Select Delta flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩409,100 Found 19 hours ago
American Airlines
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩414,600
One way
Found 19 hours ago
Select American Airlines flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩414,600 Found 19 hours ago
American Airlines
Mon, Dec 21
CMH
Columbus
STL
St. Louis
₩417,300
One way
Found 19 hours ago
Select American Airlines flight, departing Mon, Dec 21 from Columbus to St. Louis, priced at ₩417,300 Found 19 hours ago
Delta
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩418,600
One way
Found 19 hours ago
Select Delta flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩418,600 Found 19 hours ago
Delta
Tue, Dec 22
CMH
Columbus
STL
St. Louis
₩425,300
One way
Found 19 hours ago
Select Delta flight, departing Tue, Dec 22 from Columbus to St. Louis, priced at ₩425,300 Found 19 hours ago

Travel information

Airlines serving
Allegiant Air
Popular airline
Allegiant Air
Roundtrip price
₩241,900

Trending flights to Southwest Illinois

Prices were available within the past 7 days and start at ₩241,900 for one-way flights and ₩1,933,200 for roundtrip, for the period specified. Prices and availability are subject to change.
Bargain Flight
Fri, Nov 20 - Wed, Nov 25
ICN
Seoul
STL
St. Louis
₩1,933,200
Roundtrip
Found 3 days ago
Select Bargain Flight flight, departing Fri, Nov 20 from Seoul to St. Louis, returning Wed, Nov 25, priced at ₩1,933,200 Found 3 days ago
*Available to One Key members.