IATA: ERI – ICAO: KERI – FAA LID: ERI. ERI. Location of airport in Pennsylvania. Erie International Airport (Tom Ridge Field) (IATA: ERI, ICAO: KERI, FAA LID: ERI) is a public airport five miles (8 km) southwest of Erie, in Erie County. Airline service at Erie faces stiff competition from the Pittsburgh, Cleveland and Buffalo airports, all within two hours of Erie by car. In 2004 Erie was the third fastest growing airport in the United States, and the fastest growing airport in Pennsylvania. It is also 128 miles (206 km) from Pittsburgh, 111 miles (179 km) from the Canada–US border, Template:Conver from Cleveland, Ohio and 105 miles (169 km) from Buffalo, New York. 1 History.