A: Transport to and from Mongolia is usually by air or train. Flights are run all year round by MIAT (Mongolian Airlines) to and from Berlin, Frankfurt, Moscow, Beijing, Seoul and Tokyo. Aeroflot, Korean Air and Air China are also operating flights between Ulaanbaatar and other cities. You also can travel to and from Mongolia by train. The Trans-Mongolian Express Train takes 4-5 days to travel from Moscow or and 1 day from Beijing.