- Vienna (VIE) Sofia (SOF)
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1–4 Non-stop flights per dayat least 1h 30minfrom $77 - Vienna (VIE) Varna (VAR)
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up to 2 Non-stop flights per dayat least 1h 45minfrom $77 - Vienna (VIE) Burgas (BOJ)
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up to 1 Non-stop flight per dayat least 1h 45minfrom $28