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

Return flights

19 Jan - 24 Jan	Ryanair
15 Jan - 25 Jan	Wizz Air
29 Jan - 30 Jan	Wizz Air
12 Jan - 17 Jan	Wizz Air
22 Jan - 01 Feb	Wizz Air
19 Jan - 25 Jan	Ryanair
25 Jan - 31 Jan	Wizz Air
22 Jan - 30 Jan	Wizz Air
23 Jan - 30 Jan	Wizz Air
22 Jan - 29 Jan	Wizz Air
28 Jan - 30 Jan	Wizz Air
30 Jan - 03 Feb	Wizz Air
31 Jan - 07 Feb	Ryanair
31 Jan - 01 Feb	Icelandair	direct
30 Jan - 03 Feb	Icelandair	direct
30 Jan - 01 Feb	Icelandair	direct
24 Jan - 01 Feb	Icelandair	direct
25 Jan - 06 Feb	Icelandair	direct
22 Jan - 01 Feb	Icelandair	direct
29 Jan - 01 Feb	Scandinavian Airlines	direct

Also check the deals for one-way flights from Copenhagen 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 Copenhagen to Keflavik in January from 160€

Return flights