Currently there are no direct flights Sofia to Saudi Arabia.

Flights Sofia to Saudi Arabia with 1 stopover:

Flights via Larnaca (LCA), Larnaca, Cyprus
From Sofia (SOF), Bulgaria with Cyprus Airways Transfer at Larnaca (LCA), Larnaca, Cyprus Then on to Jeddah (JED), Jeddah, Saudi Arabia with Cyprus Airways
OR
Then on to Riyadh (RUH), Riyadh, Saudi Arabia with Cyprus Airways
Flights via London Heathrow (LHR), London, United Kingdom
From Sofia (SOF), Bulgaria with British Airways Transfer at London Heathrow (LHR) Then on to Riyadh (RUH), Riyadh, Saudi Arabia with British Midland