- Sofia (SOF) Vienna (VIE)
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4–6 non-stop flights per dayat least 1h 35minfrom $72 - Varna (VAR) Vienna (VIE)
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1–3 non-stop flights per dayat least 1h 50minfrom $116 - Burgas (BOJ) Vienna (VIE)
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1–3 non-stop flights per dayat least 1h 40minfrom $86