Are there nonstop flights from Heho (HEH) to Mong Hsat (MOG)?

Yes. Myanmar National Airlines fly this route. Flight time is about 48m.

Heho → Mong Hsat

Heho Airport (HEH) to Mong Hsat Airport (MOG)・258 km

Nonstop flights available (1 airline). Flight time about 48m. Nonstop return flights also operate.

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