Cheapest return flights from Frankfurt to Zurich in September from $185

AirHint found the following cheapest return flights from Frankfurt (FRA) to Zurich (ZRH) in September 2025 (see full year).

Return flights

08 Sep - 12 Sep SWISS direct
04 Sep - 08 Sep Lufthansa direct
04 Sep - 07 Sep Lufthansa direct
11 Sep - 14 Sep Lufthansa direct
12 Sep - 14 Sep SWISS direct
12 Sep - 15 Sep SWISS direct
18 Sep - 21 Sep SWISS direct
19 Sep - 21 Sep Lufthansa direct
19 Sep - 22 Sep Lufthansa direct
25 Sep - 28 Sep SWISS direct

Also check the deals for one-way flights from Frankfurt to Zurich in September.

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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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