Cheap Bus tickets to Yerevan

What are the most popular routes to Yerevan?

Tbilisi - YerevanAverage pricePLN 131Average duration5h 30mDaily departures20
Batumi - YerevanAverage pricePLN 216Average duration1d 11hDaily departures1
Dilijan - YerevanAverage pricePLN 427Average duration1h 25mDaily departures6
Sevan - YerevanAverage pricePLN 375Average duration55mDaily departures6
Vanadzor - YerevanAverage pricePLN 466Average duration1h 30mDaily departures2