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

Return flights

15 Jan - 18 Jan	Scandinavian Airlines
05 Jan - 10 Jan	easyJet
15 Jan - 18 Jan	Fly Play	direct
29 Jan - 31 Jan	Ryanair
18 Jan - 21 Jan	Fly Play	direct
08 Jan - 11 Jan	Fly Play	direct
29 Jan - 01 Feb	Fly Play	direct
07 Jan - 11 Jan	Scandinavian Airlines
24 Jan - 31 Jan	Ryanair
22 Jan - 25 Jan	Fly Play	direct
26 Jan - 29 Jan	Scandinavian Airlines	direct
30 Jan - 02 Feb	Scandinavian Airlines	direct
30 Jan - 01 Feb	Scandinavian Airlines	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 173€

Return flights