You can take a bus from Si Sa Ket to Siem Reap via Surin and Aranyaprathet in around 10 h 28 min.
How to get from Si Sa Ket to Siem Reap
From Si Sa Ket bus to Surin, bus to Aranyaprathet, then bus to Siem Reap. 10 h 28 min ฿633. From Si Sa Ket drive to Siem Reap. 4 h 2 min ฿850.
Is there a direct bus between Si Sa Ket and Siem Reap?
No, there is no direct bus from Si Sa Ket to Siem Reap. However, there are services departing from Si Sa Ket and arriving at Siem Reap via Surin and Aranyaprathet. The journey, including transfers, takes approximately 10 h 28 min.