Cheongju International serves the Chungcheong region of central South Korea, about 17 km north of Cheongju city center and shared with the Cheongju Air Base. It handles domestic flights to Jeju and a modest slate of international routes to Japan, China, Taiwan and Vietnam, dominated by Korean LCCs such as Jeju Air, T'way Air and Korean Air subsidiary services.
Major carriers: Korean Air, Asiana Airlines, China Eastern.
Low-cost carriers: Jeju Air, T'way Air, Jin Air, Air Busan.
What is the IATA code for Cheongju airport?
Cheongju International Airport uses the IATA code CJJ. It serves central South Korea's Chungcheong region from a site shared with a military air base. When booking online, entering CJJ filters out the larger Seoul-area airports so Flightmussy's free 12-month heatmap can show you the genuine cheapest week to depart.
Which airlines fly from Cheongju (CJJ)?
Korean Air and Asiana cover domestic Jeju runs, while LCCs Jeju Air, T'way Air, Jin Air and Air Busan handle most short-haul international flights to Japan, China, Taiwan and Vietnam. Foreign carriers like China Eastern occasionally serve Chinese cities. Flightmussy lists every carrier on a route side by side, no signup required.
How far is Cheongju airport from the city center?
CJJ sits about 17 kilometers north of Cheongju city center, roughly a 25-30 minute drive on Highway 36. Limousine buses run to Cheongju, Daejeon and Sejong; a taxi to downtown costs around 25,000 KRW. Use Flightmussy's fare heatmap to spot the cheapest weeks before you book ground transport.
What is the cheapest month to fly from Cheongju?
Fares from CJJ tend to bottom out in November and early December outside the Chuseok and Lunar New Year peaks, with secondary dips in late February. Jeju Air and T'way frequently undercut the legacy carriers on Japan and Vietnam routes. Flightmussy's free 12-month heatmap pinpoints the exact cheapest week without you guessing.