Osan Air Base

Osan Air Base is an airport located in the region of Gyeonggi-do, KR. The airport's IATA code is OSN, which is the three-letter code used on boarding passes and flight bookings. The ICAO code is RKSO, used by air traffic control and pilots for flight planning.

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

Osan Air Base sits at an elevation of 38 feet (12 meters) above sea level.

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