Are there nonstop flights from Hamadan (HDM) to Tehran (THR)?

Yes. Iran Air fly this route. Flight time is about 49m.

Hamadan → Tehran

Hamadan Airport (HDM) to Mehrabad International Airport (THR)・266 km

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

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