AirHint found the following cheapest return flights from Stuttgart (STR) to Zurich (ZRH) in August 2025 (see full year).

Return flights

14 Aug - 21 Aug	SWISS	direct
28 Aug - 01 Sep	SWISS	direct
20 Aug - 27 Aug	SWISS	direct
25 Aug - 31 Aug	SWISS	direct
09 Aug - 10 Aug	Austrian Airlines
09 Aug - 10 Aug	SWISS	direct
26 Aug - 26 Aug	Eurowings
23 Aug - 23 Aug	Eurowings
26 Aug - 26 Aug	SWISS	direct

Also check the deals for one-way flights from Stuttgart to Zurich 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 Stuttgart to Zurich in August from $178

Return flights