Winona Municipal-Max Conrad Field

Winona Municipal-Max Conrad Field is an airport located in Winona Minnesota, US. The airport's IATA code is ONA, which is the three-letter code used on boarding passes and flight bookings. The ICAO code is KONA, used by air traffic control and pilots for flight planning.

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

Winona Municipal-Max Conrad Field sits at an elevation of 656 feet (200 meters) above sea level.

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