Are there nonstop flights from Subang (SZB) to Ulaanbaatar (UBN)?

No. The fastest connection is via Hong Kong, about 7h 22m of total flying time.

What is the fastest connection from Subang (SZB) to Ulaanbaatar (UBN)?

via Hong Kong ≈ 7h 22m, via Singapore ≈ 7h 28m (estimated flying time, excluding layovers).

Sultan Abdul Aziz Shah International Airport (SZB) to Ulaanbaatar Chinggis Khaan International Airport (UBN)・4,976 km

No nonstop flights. The fastest connection is via Hong Kong (HKG), about 7h 22m of flying time (layover not included).

None.

2 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.