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

Return flights

29 Jan - 01 Feb	Icelandair	direct
30 Jan - 02 Feb	Icelandair	direct
31 Jan - 03 Feb	Icelandair	direct
10 Jan - 13 Jan	Icelandair	direct
11 Jan - 14 Jan	Icelandair	direct
15 Jan - 18 Jan	Icelandair	direct
16 Jan - 19 Jan	Icelandair	direct
22 Jan - 25 Jan	Icelandair	direct
23 Jan - 26 Jan	Icelandair	direct
24 Jan - 27 Jan	Icelandair	direct
25 Jan - 28 Jan	Icelandair	direct
26 Jan - 29 Jan	Icelandair	direct
27 Jan - 30 Jan	Icelandair	direct
25 Jan - 06 Feb	easyJet

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 $185

Return flights