Cheap Flights from Ulaanbaatar to Busan — $145

Fly from Ulaanbaatar to Busan with confidence — our search checks over 700 airlines, 50+ agencies and 5+ top booking systems to uncover the best fares, schedules and booking conditions for your trip. Compare dozens of options in seconds and secure the convenient, budget-friendly flight that suits your travel plans.

The minimum one-way ticket price from Ulaanbaatar to Busan is $150 (May 2026), while the maximum is $238 (April 2026). On average, a ticket costs $193–$424.

The Ulaanbaatar — Busan route is served by a wide range of airlines: 6 in total, including Jeju Air, Jin Air, Asiana Airlines, MIAT Mongolian Airlines, Korean Air, and Air China. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $145. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

Busan is served mainly by Gimhae International Airport (PUS), a compact international and domestic gateway that often handles a mix of full-service carriers and low-cost airlines on regional routes. Located roughly 20–25 km west of downtown Busan, transfer times can be around 30–60 minutes by bus or taxi depending on traffic; the airport railroad and subway connections can take about 40–60 minutes with fares typically in the low single digits to mid-teens (USD equivalent). Ground transport is straightforward and generally affordable, though peak-hour congestion can lengthen journey times. Pros: convenient for regional travel and budget-friendly options; cons: limited long-haul connectivity and smaller terminal facilities compared with major international hubs.

Chinggis Khaan International Airport (ULN) is Mongolia’s main international gateway and typically serves as the country’s premium hub for long-haul and regional flights. Full-service carriers and a growing number of international airlines operate here, alongside some low-cost services on regional sectors; fares can feel higher than in nearby markets but competitive for the route. The airport sits about 35–45 km southeast of central Ulaanbaatar, with transfer options including airport shuttle buses (roughly 60–90 minutes, modest fares), taxis or ride-hail services (around 40–60 minutes, variable fares), and private transfers. Pros: modern terminal, international connections and comfortable facilities; cons: distance from the city and occasional delays during winter weather.

Fly non-stop from Ulaanbaatar to Busan for the quickest, most convenient way to reach South Korea’s coastal gateway — less hassle, no long transfers, and more time to enjoy your trip. While connecting options can sometimes be cheaper, a direct flight saves hours and offers a smoother, more comfortable travel experience worth considering when planning your visit.