Currently there are no direct flights Sofia to Switzerland.

Flights Sofia to Switzerland with 1 stopover:

Flights via Ataturk (IST), Istanbul, Turkey
From Sofia (SOF), Bulgaria with Aerosvit Transfer at Ataturk (IST), Istanbul, Turkey Then on to Cointrin (GVA), Geneva, Switzerland with SN Brussels Airlines
OR
Then on to Zurich (ZRH), Zurich, Switzerland with SN Brussels Airlines
Flights via Larnaca (LCA), Larnaca, Cyprus
From Sofia (SOF), Bulgaria with Cyprus Airways Transfer at Larnaca (LCA), Larnaca, Cyprus Then on to Zurich (ZRH), Zurich, Switzerland with Cyprus Airways
Flights via Pulkovo Airport (LED), St Petersburg, Russia
From Sofia (SOF), Bulgaria with Aerosvit Transfer at Pulkovo Airport (LED), St Petersburg, Russia Then on to Cointrin (GVA), Geneva, Switzerland with SN Brussels Airlines
OR
Then on to Zurich (ZRH), Zurich, Switzerland with SN Brussels Airlines
OR
Then on to Basel Mulhouse (BSL), Basel / Mulhouse, Switzerland with SN Brussels Airlines
Flights via London Heathrow (LHR), London, United Kingdom
From Sofia (SOF), Bulgaria with British Airways Transfer at London Heathrow (LHR) Then on to Cointrin (GVA), Geneva, Switzerland with British Airways
OR
Then on to Zurich (ZRH), Zurich, Switzerland with British Airways
Flights via Moscow Sheremetievo (SVO), Moscow, Russia
From Sofia (SOF), Bulgaria with Aeroflot
OR
From Sofia (SOF), Sofia, Bulgaria with Aerosvit
Transfer at Moscow Sheremetievo (SVO), Moscow, Russia Then on to Cointrin (GVA), Geneva, Switzerland with Aeroflot
OR
Then on to Zurich (ZRH), Zurich, Switzerland with Aeroflot
Flights via BenGurion International (TLV), Tel Aviv Yafo, Israel
From Sofia (SOF), Bulgaria with Aerosvit
OR
From Sofia (SOF), Sofia, Bulgaria with El-Al Israel Airlines
Transfer at BenGurion International (TLV), Tel Aviv Yafo, Israel Then on to Zurich (ZRH), Zurich, Switzerland with SN Brussels Airlines
OR
Then on to Basel Mulhouse (BSL), Basel / Mulhouse, Switzerland with SN Brussels Airlines
OR
Then on to Cointrin (GVA), Geneva, Switzerland with SN Brussels Airlines