AirHint found the following cheapest one-way flights from Zurich (ZRH) to Keflavik (KEF) in December 2025 (see full year).

One-Way flights

13 Dec	easyJet
31 Dec	easyJet
30 Dec	Scandinavian Airlines
27 Dec	easyJet
28 Dec	Scandinavian Airlines
28 Dec	Icelandair	direct
30 Dec	Icelandair	direct
13 Dec	SWISS	direct
31 Dec	SWISS	direct
27 Dec	Icelandair	direct

Also check the deals for return flights from Zurich to Keflavik in December.

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 one-way flights from Zurich to Keflavik in December from 137€

One-Way flights