Bulgaria has 5 airports, airfields and heliports in this guide: 5 that take business jets. Customs is on site at 3 of them, so you can arrive straight from abroad. 1 need prior permission (PPR) before you land. The longest runway listed is at Sofia Vasil Levski Airport, 3,600 m. Each page has the runway, opening hours, handling companies, how to get there, live weather and a free PDF.