AirHint found the following cheapest return flights from Sofia (SOF) to Vienna (VIE) in August 2026 (see full year).

Return flights

31 Aug - 07 Sep	Air Serbia
01 Aug - 21 Aug	Ryanair	direct
01 Aug - 08 Aug	Austrian Airlines	direct
28 Aug - 31 Aug	Austrian Airlines	direct
31 Aug - 07 Sep	Austrian Airlines	direct
01 Aug - 04 Aug	Ryanair	direct
01 Aug - 03 Aug	Ryanair	direct
28 Aug - 07 Sep	Ryanair	direct
01 Aug - 07 Aug	Ryanair	direct
23 Aug - 31 Aug	Ryanair	direct
23 Aug - 07 Sep	Ryanair	direct

Also check the deals for one-way flights from Sofia to Vienna in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Sofia to Vienna in August from 111€

Return flights