Cheap Flights to Jefferson County from ₩731,600

View ₩731,600 flight on Tue, Feb 24, 2026Opens in a new window

Popular airlines to Jefferson County

  • American Airlines

  • Delta

  • United

  • Southwest Airlines

  • Frontier Airlines

  • Alaska Airlines

  • Air Canada

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How much is the cheapest flight to Jefferson County?

Prices were available within the past 7 days and start at ₩731,600 for one-way flights and ₩1,240,700 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Feb 20 - Sun, Mar 1
ICN
Seoul
STL
St. Louis
₩1,240,700 Roundtrip, found 8 hours ago
₩1,240,700
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Seoul to St. Louis, returning Sun, Mar 1, priced at ₩1,240,700 found 8 hours ago
Air Canada
Tue, Mar 10 - Tue, Mar 24
ICN
Seoul
STL
St. Louis
₩1,251,300 Roundtrip, found 4 days ago
₩1,251,300
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, Mar 10 from Seoul to St. Louis, returning Tue, Mar 24, priced at ₩1,251,300 found 4 days ago
Air Canada
Tue, May 19 - Tue, May 26
ICN
Seoul
STL
St. Louis
₩1,253,000 Roundtrip, found 3 days ago
₩1,253,000
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, May 19 from Seoul to St. Louis, returning Tue, May 26, priced at ₩1,253,000 found 3 days ago
Delta
Tue, Feb 24 - Tue, Mar 3
ICN
Seoul
STL
St. Louis
₩1,253,700 Roundtrip, found 1 day ago
₩1,253,700
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Feb 24 from Seoul to St. Louis, returning Tue, Mar 3, priced at ₩1,253,700 found 1 day ago
Air Canada
Tue, May 5 - Sun, May 10
ICN
Seoul
STL
St. Louis
₩1,254,000 Roundtrip, found 4 days ago
₩1,254,000
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, May 5 from Seoul to St. Louis, returning Sun, May 10, priced at ₩1,254,000 found 4 days ago
Air Canada
Thu, May 28 - Wed, Jun 3
ICN
Seoul
STL
St. Louis
₩1,256,200 Roundtrip, found 3 days ago
₩1,256,200
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, May 28 from Seoul to St. Louis, returning Wed, Jun 3, priced at ₩1,256,200 found 3 days ago
Air Canada
Thu, May 21 - Tue, May 26
ICN
Seoul
STL
St. Louis
₩1,260,100 Roundtrip, found 3 days ago
₩1,260,100
Roundtrip
found 3 days ago
Select Air Canada flight, departing Thu, May 21 from Seoul to St. Louis, returning Tue, May 26, priced at ₩1,260,100 found 3 days ago
Air Canada
Tue, May 5 - Sun, May 10
ICN
Seoul
STL
St. Louis
₩1,261,200 Roundtrip, found 4 days ago
₩1,261,200
Roundtrip
found 4 days ago
Select Air Canada flight, departing Tue, May 5 from Seoul to St. Louis, returning Sun, May 10, priced at ₩1,261,200 found 4 days ago
Korean Air
Tue, Mar 3 - Mon, Mar 9
ICN
Seoul
STL
St. Louis
₩1,353,700 Roundtrip, found 3 days ago
₩1,353,700
Roundtrip
found 3 days ago
Select Korean Air flight, departing Tue, Mar 3 from Seoul to St. Louis, returning Mon, Mar 9, priced at ₩1,353,700 found 3 days ago
Alaska Airlines
Fri, Jun 5 - Wed, Jun 24
ICN
Seoul
STL
St. Louis
₩1,502,600 Roundtrip, found 4 days ago
₩1,502,600
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Jun 5 from Seoul to St. Louis, returning Wed, Jun 24, priced at ₩1,502,600 found 4 days ago

Trending flights to Jefferson County

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
Fri, Feb 20 - Sun, Mar 1
ICN
Seoul
STL
St. Louis
₩1,240,700 Roundtrip, found 8 hours ago
₩1,240,700
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Fri, Feb 20 from Seoul to St. Louis, returning Sun, Mar 1, priced at ₩1,240,700 found 8 hours ago

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About Jefferson County

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About Jefferson County

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