KTEL Serron operates a bus from Kavala to Serres 4 times a day. Tickets cost $9 - $14 and the journey takes 2 h 5 min. KTEL Kavalas also services this route 4 times a day. Alternatively, KTEL Kavalas operates a train from Kavala to Serres hourly. Tickets cost $4 - $7 and the journey takes 50 min. Greek Railways (OSE) also services this route once daily.
How to get from Kavala to Serres
From Kavala bus to Serres. 2 h 5 min 10€. From Kavala bus to Drama, walk to Drama, then train to Serres. 2 h 51 min 9€. From Kavala drive to Serres. 1 h 32 min 17€.