Specifically, the airline will launch special additional flights from Sofia, Bulgaria; to Varna, Bulgaria; to London, the UK and to Madrid, Spain.
Bulgaria Air has also promised more flights between Sofia and Varna at the weekends, and special new frequencies to London at the end of August.
The first additional flight to London will be launched on August 28. Passengers will be able to benefit also from new flights from Sofia to the Spanish pearl Madrid in late August and early September.
According to the airline, all the additional frequencies were selected in response to passenger interest.