Currently there are no direct flights from Ibizia to Bulgaria.

Flights from Ibiza to Bulgaria with one stopover.

Flights via Barcelona (BCN)
From Ibiza (IBZ) with Vueling Airlines
OR
From Ibiza (IBZ) with Iberia Airlines
Transfer at Barcelona (BCN) Then on to Sofia (SOF) with Vueling Airlines
OR
Then on to Sofia (SOF) with Iberia Airlines
Flights via Madrid (MAD)
From Ibiza (IBZ) with Iberia Airlines Transfer at Madrid (MAD) Then on to Sofia (SOF) with Iberia Airlines
Flights via Amsterdam (AMS)
From Ibiza (IBZ) with KLM Airlines Transfer at Amsterdam (AMS) Then on to Sofia (SOF) with KLM Airlines