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

Return flights

24 Oct - 07 Nov	Scandinavian Airlines
21 Oct - 04 Nov	Brussels Airlines
31 Oct - 07 Nov	United
26 Oct - 02 Nov	United
21 Oct - 28 Oct	United
16 Oct - 23 Oct	United
01 Oct - 08 Oct	United
11 Oct - 18 Oct	United
06 Oct - 13 Oct	United

Also check the deals for one-way flights from San Francisco to Vienna in October.

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 October from $562

Return flights