Appleton International Airport

Appleton International Airport is an airport located in Appleton Wisconsin, US. The airport's IATA code is ATW, which is the three-letter code used on boarding passes and flight bookings. The ICAO code is KATW, used by air traffic control and pilots for flight planning.

The airport operates in the America/Chicago timezone. When planning flights to or from ATW, use our flight duration calculator to account for timezone differences, especially for international travel.

Appleton International Airport sits at an elevation of 918 feet (280 meters) above sea level.

Browse all airports in United States or explore airports across North America.