Visit Jirisan National Park, the oldest and most famous in South Korea. Stroll through Seoul and absorb some of the high tech energy. Sample the fresh produce (and the beaches) in the picturesque port of Yeosu.
There are international airports at Incheon, Gimpo, Gimhae, Daegu, Yangyang, Jeju, Cheongju, Muan. Incheon International Airport (IIA) is the largest airport in South Korea and the primary airport serving Seoul.
Note - Travel to any destination may be adversely affected by conditions including (but not limited) to security, entry and exit requirements, health conditions, local laws and culture, natural disasters and climate. Regardless of your destination, check your local travel advisory board or department for travel advice about that location when planning your trip and again shortly before you leave.