JST stands for Johnstown Cambria County Airport. Codes like this one are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.
Booking a flight to Johnstown Cambria County (JST) is your only option if you intend on flying to Johnstown. It is only a 7.5 km journey from Cambria County to Johnstown’s city centre.
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