Are there nonstop flights from Ulaangom (ULO) to Ulaanbaatar (UBN)?

Yes. MIAT Mongolian Airlines fly this route. Flight time is about 1h 49m.

Ulaangom → Ulaanbaatar

Ulaangom Airport (ULO) to Ulaanbaatar Chinggis Khaan International Airport (UBN)・1,119 km

Nonstop flights available (1 airline). Flight time about 1h 49m. Nonstop return flights also operate.

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