SDF is a unique code, commonly called an IATA code, used in the aviation industry to identify airports. This code, along with many others, are defined by IATA (International Air Transport Association). A SDF flight refers to a flight to Louisville Intl Airport.
Booking a flight to Louisville Intl (SDF) is your only option if you intend on flying to Louisville. It is only a 8.5 km journey from Louisville Intl to Louisville’s city centre.
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