Cheap Flights to Alton

View ₩653,500 flight on Thu, Apr 30, 2026Opens in a new window

Flight 1

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How much is the cheapest flight to Alton?

Prices were available within the past 7 days and start at ₩653,500 for one-way flights and ₩1,306,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Apr 30 - Sun, May 3
IAH
Houston
SDF
Louisville
₩1,306,900 Roundtrip, found 1 day ago
₩1,306,900
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Apr 30 from Houston to Louisville, returning Sun, May 3, priced at ₩1,306,900 found 1 day ago
United
Thu, Apr 30 - Sun, May 3
IAH
Houston
SDF
Louisville
₩1,307,000 Roundtrip, found 1 day ago
₩1,307,000
Roundtrip
found 1 day ago
Select United flight, departing Thu, Apr 30 from Houston to Louisville, returning Sun, May 3, priced at ₩1,307,000 found 1 day ago
Delta
Fri, Jul 10 - Fri, Jul 17
ZRH
Zürich
SDF
Louisville
₩1,691,600 Roundtrip, found 20 hours ago
₩1,691,600
Roundtrip
found 20 hours ago
Select Delta flight, departing Fri, Jul 10 from Zürich to Louisville, returning Fri, Jul 17, priced at ₩1,691,600 found 20 hours ago
Lufthansa
Fri, Jul 10 - Fri, Jul 17
ZRH
Zürich
SDF
Louisville
₩1,928,200 Roundtrip, found 20 hours ago
₩1,928,200
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Fri, Jul 10 from Zürich to Louisville, returning Fri, Jul 17, priced at ₩1,928,200 found 20 hours ago
Air Canada
Fri, Jul 10 - Fri, Jul 17
ZRH
Zürich
SDF
Louisville
₩1,949,100 Roundtrip, found 20 hours ago
₩1,949,100
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Fri, Jul 10 from Zürich to Louisville, returning Fri, Jul 17, priced at ₩1,949,100 found 20 hours ago

Find the cheapest month to fly from Columbus (CMH) to Louisville (SDF)

August is typically the cheapest month to fly

From ₩231,947 - ₩861,759 per traveler.

Travel information

Destination airport
Louisville Intl.
Destination airport IATA code
SDF
Destination city name
Louisville
Roundtrip price
₩1,306,900

Trending flights to Alton

Prices were available within the past 7 days and start at ₩653,500 for one-way flights and ₩1,306,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 14 - Tue, Oct 20
ICN
Seoul
SDF
Louisville
₩2,345,000 Roundtrip, found 3 days ago
₩2,345,000
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 14 from Seoul to Louisville, returning Tue, Oct 20, priced at ₩2,345,000 found 3 days ago
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