Bangkok (BKK) to Ulaanbaatar (UBN) flights
One airline flies nonstop from Bangkok (BKK) to Ulaanbaatar (UBN): Miat - Mongolian Airlines. The two airports are 2,372 miles (3,817 km) apart. There are also 12 ways to fly it with one stop, through Beijing, Beijing and Hong Kong and more.
Airlines flying nonstop from BKK to UBN
- OMMiat - Mongolian AirlinesNot in an alliance
BKK to UBN with one stop
12 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Beijing (PKX)Air China and China Eastern Airlines, then Hunnu Air

MR - Via Beijing (PEK)Air China the whole way


OM
- Via Hong Kong (HKG)Cathay Pacific, Emirates and 5 more, then Miat - Mongolian Airlines

+4
OM - Via Ho Chi Minh City (SGN)Thai Airways International, VietJet Air and 3 more, then Miat - Mongolian Airlines

+2
OM - Via Irkutsk (IKT)S7 Airlines and Aeroflot, then IrAero

IO - Via Shanghai (PVG)Spring Airlines the whole way

+4
OM
- Via Phuket (HKT)Bangkok Airways, Thai Airways International and 2 more, then Miat - Mongolian Airlines

VZ+1OM - Via Seoul (ICN)Jeju Air, Korean Air and 2 more the whole way

+6
OM+4
- Via Daegu (TAE)T´Way Air the whole way


- Via Busan (PUS)Jeju Air, Jin Air and 1 more the whole way

BXBX

- Via Almaty (ALA)Air Astana, then Hunnu Air
MR - Via Osaka (KIX)JAL, Thai Airways International and 2 more, then Miat - Mongolian Airlines

+1
OM
BKK to UBN: common questions
Which airlines fly nonstop from BKK to UBN?
Miat - Mongolian Airlines flies nonstop from Bangkok (BKK) to Ulaanbaatar (UBN).
How far is Bangkok from Ulaanbaatar by plane?
Bangkok (BKK) and Ulaanbaatar (UBN) are 2,372 miles (3,817 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does BKK to UBN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BKK to UBN with taxes and fees.
Where can I connect between Bangkok and Ulaanbaatar?
The most direct connections are through Beijing (PKX), Beijing (PEK), Hong Kong (HKG), Ho Chi Minh City (SGN) and Irkutsk (IKT). On 5 of them the same airline flies both flights, for example Air China through Beijing.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.