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

Return flights

01 Jan - 06 Jan	easyJet
30 Jan - 06 Feb	easyJet
30 Jan - 07 Feb	easyJet
03 Jan - 06 Jan	easyJet
27 Jan - 01 Feb	Scandinavian Airlines
29 Jan - 12 Feb	Scandinavian Airlines
26 Jan - 31 Jan	SWISS
31 Jan - 07 Feb	Scandinavian Airlines
29 Jan - 12 Feb	Icelandair	direct
27 Jan - 01 Feb	Icelandair	direct
01 Jan - 06 Jan	Icelandair	direct
31 Jan - 07 Feb	Icelandair	direct

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

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 January from $228

Return flights