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

Return flights

08 Jan - 15 Jan	Ryanair
11 Jan - 18 Jan	Wizz Air
25 Jan - 01 Feb	easyJet
15 Jan - 18 Jan	Ryanair
22 Jan - 25 Jan	easyJet
11 Jan - 15 Jan	Wizz Air
15 Jan - 19 Jan	Wizz Air
08 Jan - 11 Jan	Ryanair
05 Jan - 07 Jan	easyJet
19 Jan - 24 Jan	Wizz Air
17 Jan - 18 Jan	Scandinavian Airlines
23 Jan - 01 Feb	Ryanair
30 Jan - 02 Feb	Icelandair	direct
25 Jan - 01 Feb	Icelandair	direct
29 Jan - 01 Feb	Icelandair	direct
23 Jan - 01 Feb	Icelandair	direct
25 Jan - 06 Feb	Wizz Air
25 Jan - 06 Feb	Icelandair	direct
06 Jan - 23 Feb	Ryanair
06 Jan - 23 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 158€

Return flights