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

Return flights

02 Dec - 07 Dec	easyJet
05 Dec - 12 Dec	easyJet
30 Dec - 07 Jan	LOT
26 Dec - 31 Dec	LOT
26 Dec - 03 Jan	LOT
02 Dec - 07 Dec	Icelandair	direct
26 Dec - 30 Dec	easyJet
30 Dec - 07 Jan	Icelandair	direct
21 Dec - 02 Jan	easyJet
19 Dec - 25 Dec	easyJet
28 Dec - 02 Jan	easyJet
26 Dec - 02 Jan	easyJet
26 Dec - 30 Dec	Icelandair	direct
28 Dec - 02 Jan	Icelandair	direct
26 Dec - 02 Jan	Icelandair	direct

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 $229

Return flights