Bourgas Airport - Bourgas Airport, Bulgaria, Airports , +359 (0)56 2 86 51, www.bourgas-airport.com, director@bourgas-airport.com

Gorna Oryahovitsa Airport - Gorna Oryahovitsa, Bulgaria, Airports , +359 (0)618 6 00 31, www.gornaoryahovitsa-airport.bg, goryahovitsaairport@abv.bg or ops@gornaoryahovitsa-airport.bg

Plovdiv International Airport - Plovdiv Airport, Bulgaria, Airports , +359 (0)32 60 11 22, www.plovdivairport.com, office@plovdivairport.com

Sofia International Airport EAD - Sofia Airport, Bulgaria, Airports , +359 (0)2 937 24 24, 937 24 04, www.sofia-airport.bg, k.pavlov@sofia-airport.bg

Sofia International Airport EAD - Sofia Airport, Bulgaria, Airports , +359 (0)2 937 20 03, www.sofia-airport.bg, public@sofia-airport.bg

Varna International Airport Ltd - Varna Airport, Bulgaria, Airports , +359 (0)52 50 08 40, www.varna-airport.bg, m.dimitrov@varna-airport.bg or d.kostadinov@fraport-bulgaria.com