The cheapest flight to Vienna you can get by boooking 37 days before departure.
The most popular airlines on the route Sofia - Vienna: Bulgaria Air (FB), Austrian (OS), Air Serbia (JU).
The cheapest flights you can book on the route Sofia Airport (SOF) - Schwechat (VIE).
Direct flights last about 1h 35min.
Direct flights available 7 days a week.
Direct flights: Bulgaria Air (FB), Air Berlin (AB), Austrian (OS).
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