Cheap Flights from Bangkok to Ulaanbaatar — $246

Bangkok is served mainly by two airports with different roles. Suvarnabhumi (BKK) is the international hub handling most long-haul and full-service carriers; it’s usually seen as the city’s primary premium gateway and is about 30–35 km east of downtown (roughly 30–60 minutes by car depending on traffic). Transfer options include the Airport Rail Link to central stations (about 25–35 minutes, moderate fares), taxis and ride-hailing (variable time and cost). Don Mueang (DMK) functions as the budget and domestic base, favored by low-cost carriers and some regional flights; it sits about 20–25 km north of the centre (30–50 minutes by road) and is reachable by buses, local trains and taxis. Pros: BKK tends to offer more transit amenities and airline choices, while DMK can be cheaper and quicker for domestic/low-cost travel; cons: both can be affected by heavy road traffic and transfers may take longer during peak hours.

Ulaanbaatar’s main gateway is Chinggis Khaan International Airport (ULN), a modern international hub handling most long-haul and regional flights and serving national carrier MIAT alongside international airlines. The airport is located about 20–25 km south of the city center; road transfers typically take 30–60 minutes depending on traffic and weather, with taxis, airport shuttles and private transfers as common options (fares can vary from budget-friendly shared shuttles to higher taxi or private transfer rates). Facilities are relatively new and straightforward, though winter conditions can affect comfort and punctuality. Pros: international connectivity and recent amenities; cons: distance from downtown and possible seasonal delays.

Fly nonstop from Bangkok to Ulaanbaatar for the quickest, most convenient way to reach Mongolia’s capital—perfect for maximizing your time and minimizing travel stress. While connecting options can sometimes be cheaper, a direct flight saves hours and offers a more comfortable journey so you arrive ready to explore.

In different months, ticket prices from Bangkok to Ulaanbaatar vary: minimum — $224 (March 2026), maximum — $298 (January 2026). Typically, the flight costs $266–$297.

The route Bangkok — Ulaanbaatar is served by many carriers — 12 in total, including MIAT Mongolian Airlines, Xiamen Airlines, Thai AirAsia, T'way Air, China Southern Airlines, Thai AirAsia X, Thai Vietjet Air, Air Macau, China Eastern Airlines, Shanghai Airlines, Sichuan Airlines, and Air China. This gives passengers wide opportunities: from finding the lowest fare (from $246) 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.