Currently there are no direct flights Sofia to Thailand.

Flights Sofia to Thailand with 1 stopover:

Flights via Kharkov Airport (HRK), Kharkov, Ukraine
From Sofia (SOF), Bulgaria with Aerosvit Transfer at Kharkov Airport (HRK), Kharkov, Ukraine Then on to Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with Aerosvit
Flights via Boryspil (KBP), Kiev, Ukraine
From Sofia (SOF), Bulgaria with Aerosvit Transfer at Boryspil (KBP), Kiev, Ukraine Then on to Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with Aerosvit
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 Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with Aerosvit
Flights via London Heathrow (LHR), London, United Kingdom
From Sofia (SOF), Bulgaria with British Airways Transfer at London Heathrow (LHR) Then on to Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with British Airways
OR
Then on to Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with EVA Airways
Flights via Snilow Airport (LWO), Lvov, Ukraine
From Sofia (SOF), Bulgaria with Aerosvit Transfer at Snilow Airport (LWO), Lvov, Ukraine Then on to Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with Aerosvit
Flights via Central Airport (ODS), Odessa, Ukraine
From Sofia (SOF), Bulgaria with Aerosvit Transfer at Central Airport (ODS), Odessa, Ukraine Then on to Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with Aerosvit
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 Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with Aerosvit
OR
Then on to Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with Aeroflot
Flights via BenGurion International (TLV), Tel Aviv Yafo, Israel
From Sofia (SOF), Bulgaria with Aerosvit
OR
From Sofia (SOF), Bulgaria with El-Al Israel Airlines
Transfer at BenGurion International (TLV), Tel Aviv Yafo, Israel Then on to Bangkok Suvarnabhumi Don Muang International Airport (BKK), Bangkok, Thailand with Aerosvit