AirHint found the following cheapest return flights from Zurich (ZRH) to Keflavik (KEF) in December 2026 (see full year).

Return flights

16 Dec - 23 Dec	easyJet
23 Dec - 29 Dec	LOT
17 Dec - 23 Dec	easyJet
24 Dec - 26 Dec	easyJet
16 Dec - 23 Dec	Icelandair	direct
18 Dec - 23 Dec	easyJet
26 Dec - 28 Dec	easyJet
26 Dec - 28 Dec	Icelandair	direct
28 Dec - 04 Jan	Scandinavian Airlines
25 Dec - 02 Jan	Scandinavian Airlines
27 Dec - 03 Jan	easyJet

Also check the deals for one-way 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 return flights from Zurich to Keflavik in December from 308€

Return flights