Cheap Flights from Cheongju to Ulaanbaatar — $241

The route Cheongju — Ulaanbaatar is served by many carriers — 4 in total, including Connellan air disaster, Jin Air, Spring Airlines, and T'way Air. This gives passengers wide opportunities: from finding the lowest fare (from $241) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

Cheongju International Airport (CJJ) serves as a regional gateway in central South Korea, leaning more toward domestic and low-cost international services than a major global hub. It typically handles budget carriers and some full-service airlines offering seasonal routes to nearby East Asian destinations. The airport sits roughly 15–25 km south of Cheongju city center, with travel times of about 20–40 minutes by car depending on traffic. Options include taxis and local buses; fares are usually modest — buses often cost a few dollars while taxis can be noticeably pricier. Pros: compact terminals and short walk times make connections straightforward. Cons: fewer long-haul connections and limited amenities compared with larger Korean hubs.

Ulaanbaatar is served primarily by Chinggis Khaan International Airport (UBN), the country’s main international gateway and a growing regional hub. It typically handles most long-haul and international carriers alongside Mongolian airlines, while domestic flights may operate from smaller terminals or regional airports. The airport sits about 45–50 km south of the city center; transfer options include taxis (roughly 45–60 minutes, fares that can vary widely), airport shuttle buses and pre-arranged hotel transfers, with buses usually being the most economical. Pros: modern international facilities and straightforward immigration; cons: significant road distance to downtown and travel times that can be affected by weather and traffic.

In different months, ticket prices from Cheongju to Ulaanbaatar vary: minimum — $287 (July 2026), maximum — $354 (August 2026). Typically, the flight costs $321–$354.