Cheapest return flights from Zurich to Keflavik in September from $227

Best time to book flights for Zurich (ZRH) to Keflavik (KEF) flights at AirHint

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

Return flights

20 Sep - 03 Oct LOT
15 Sep - 25 Sep Scandinavian Airlines
07 Sep - 19 Sep LOT
06 Sep - 20 Sep LOT
22 Sep - 02 Oct British Airways
19 Sep - 27 Sep easyJet
04 Sep - 11 Sep LOT
05 Sep - 18 Sep Scandinavian Airlines
12 Sep - 22 Sep Scandinavian Airlines
20 Sep - 04 Oct LOT
15 Sep - 24 Sep SWISS
08 Sep - 15 Sep SWISS
29 Sep - 13 Oct British Airways
17 Sep - 29 Sep easyJet
29 Sep - 13 Oct Icelandair direct
22 Sep - 02 Oct Icelandair direct
20 Sep - 03 Oct Icelandair direct
20 Sep - 04 Oct Icelandair direct

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

Skyscanner

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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