Are there nonstop flights from Yasuj (YES) to Tehran (THR)?

Yes. Mahan Air, Pars Air fly this route. Flight time is about 1h 9m.

Yasuj → Tehran

Yasuj Airport (YES) to Mehrabad International Airport (THR)・555 km

Nonstop flights available (2 airlines). Flight time about 1h 9m. Nonstop return flights also operate.

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