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

Return flights

12 Jan - 17 Jan	Icelandair	direct
18 Jan - 21 Jan	Fly Play	direct
08 Jan - 11 Jan	Fly Play	direct
15 Jan - 18 Jan	Fly Play	direct
18 Jan - 22 Jan	Fly Play	direct
29 Jan - 01 Feb	Fly Play	direct
20 Jan - 23 Jan	Icelandair	direct
22 Jan - 25 Jan	Icelandair	direct
24 Jan - 27 Jan	Icelandair	direct
25 Jan - 28 Jan	Icelandair	direct
26 Jan - 29 Jan	Icelandair	direct
30 Jan - 02 Feb	Icelandair	direct
31 Jan - 03 Feb	Icelandair	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 147€

Return flights