Cheapest return flights from Zurich to Keflavik in September from $221

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

Return flights

18 Sep - 23 Sep Scandinavian Airlines
17 Sep - 25 Sep KLM
25 Sep - 04 Oct Scandinavian Airlines
20 Sep - 27 Sep Scandinavian Airlines
21 Sep - 29 Sep KLM
20 Sep - 02 Oct Scandinavian Airlines
21 Sep - 02 Oct Scandinavian Airlines
20 Sep - 01 Oct Scandinavian Airlines
28 Sep - 12 Oct Scandinavian Airlines
20 Sep - 04 Oct Scandinavian Airlines
20 Sep - 30 Sep Scandinavian Airlines
21 Sep - 30 Sep Scandinavian Airlines
20 Sep - 29 Sep Scandinavian Airlines
16 Sep - 24 Sep Scandinavian Airlines
27 Sep - 04 Oct Scandinavian Airlines
30 Sep - 09 Oct easyJet
22 Sep - 01 Oct KLM
28 Sep - 09 Oct Scandinavian Airlines
22 Sep - 29 Sep KLM
11 Sep - 15 Sep KLM

Also check the deals for one-way flights from Zurich to Keflavik 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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