The most convenient airport is Altoona/Blair County airport (actually located in Martinsburg, PA) with airport code “AOO”. It is serviced only by a Sun Air Express commuter airplane which flies between Pittsburgh International Airport (airport code “PIT”) and Altoona. This airport is located about 15 miles from the STP plant.
The second most convenient airport to fly into is State College, PA (airport code “SCE”). It is a small regional airport located about 47 miles away from the STP plant, but it is accessed by three airlines (American, Delta and United).
The largest Pennsylvania airport close to Altoona is Pittsburgh International (airport code “PIT”), located 110 miles (2 hour drive) away from the STP plant. Finally, the Baltimore, MD airport (Balitmore Washington International – airport code “BWI”) is a 3.5 hour drive to the plant.