AirHint found the following cheapest return flights from San Francisco (SFO) to Vienna (VIE) in August 2025 (see full year).

Return flights

19 Aug - 26 Aug	Condor
10 Aug - 26 Aug	Condor
11 Aug - 26 Aug	Condor
20 Aug - 03 Sep	Condor
15 Aug - 22 Aug	Condor
01 Aug - 15 Aug	Condor
27 Aug - 03 Sep	United
21 Aug - 28 Aug	United
25 Aug - 01 Sep	United
23 Aug - 06 Sep	Condor
07 Aug - 14 Aug	United
17 Aug - 24 Aug	United
05 Aug - 12 Aug	United
30 Aug - 06 Sep	United
09 Aug - 16 Aug	United

Also check the deals for one-way flights from San Francisco 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 San Francisco to Vienna in August from 417€

Return flights