Are there nonstop flights from Tabriz (TBZ) to Yerevan (EVN)?

Yes. List of airlines of Iran fly this route. Flight time is about 49m.

Tabriz → Yerevan

Tabriz International Airport (TBZ) to Zvartnots International Airport (EVN)・274 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.