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

Return flights

11 Aug - 20 Aug	Condor
08 Aug - 20 Aug	Condor
05 Aug - 09 Sep	Condor
14 Aug - 21 Aug	Condor
06 Aug - 27 Aug	Condor
24 Aug - 04 Sep	Condor
26 Aug - 09 Sep	Condor
16 Aug - 30 Aug	Condor
24 Aug - 02 Sep	Condor
20 Aug - 27 Aug	United
26 Aug - 02 Sep	United
05 Aug - 15 Aug	Condor
18 Aug - 25 Aug	United
24 Aug - 03 Sep	Air Canada
16 Aug - 23 Aug	United
28 Aug - 04 Sep	United
22 Aug - 29 Aug	United
30 Aug - 06 Sep	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 452€

Return flights