Thailand to Mongolia · 2,372 miles (3,817 km)

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

  • OM
    Miat - 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
    Air China logo
    China Eastern Airlines logo
    MR
  • Via Beijing (PEK)Air China the whole way
    Air China logo
    Hainan Airlines logo
    Thai Airways International logo
    OM
    Air China logo
  • Via Hong Kong (HKG)Cathay Pacific, Emirates and 5 more, then Miat - Mongolian Airlines
    Cathay Pacific logo
    Emirates logo
    Hong Kong Airlines logo
    +4
    OM
  • Via Ho Chi Minh City (SGN)Thai Airways International, VietJet Air and 3 more, then Miat - Mongolian Airlines
    Thai Airways International logo
    VietJet Air logo
    Vietnam Airlines logo
    +2
    OM
  • Via Irkutsk (IKT)S7 Airlines and Aeroflot, then IrAero
    S7 Airlines logo
    Aeroflot logo
    IO
  • Via Shanghai (PVG)Spring Airlines the whole way
    Spring Airlines logo
    Air China logo
    Shanghai Airlines logo
    +4
    OM
    Spring Airlines logo
  • Via Phuket (HKT)Bangkok Airways, Thai Airways International and 2 more, then Miat - Mongolian Airlines
    Bangkok Airways logo
    Thai Airways International logo
    VZ
    +1
    OM
  • Via Seoul (ICN)Jeju Air, Korean Air and 2 more the whole way
    Jeju Air logo
    Korean Air logo
    Jin Air logo
    +6
    Korean Air logo
    OM
    Asiana Airlines logo
    +4
  • Via Daegu (TAE)T´Way Air the whole way
    T´Way Air logo
    T´Way Air logo
  • Via Busan (PUS)Jeju Air, Jin Air and 1 more the whole way
    Jeju Air logo
    Jin Air logo
    BX
    BX
    Jeju Air logo
    Jin Air logo
  • Via Almaty (ALA)Air Astana, then Hunnu Air
    Air Astana logo
    MR
  • Via Osaka (KIX)JAL, Thai Airways International and 2 more, then Miat - Mongolian Airlines
    JAL logo
    Thai Airways International logo
    Peach Aviation logo
    +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.