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

Return flights

08 Jan - 11 Jan	Fly Play	direct
22 Jan - 25 Jan	Fly Play	direct
29 Jan - 01 Feb	Fly Play	direct
15 Jan - 18 Jan	Fly Play	direct
18 Jan - 21 Jan	Fly Play	direct
25 Jan - 31 Jan	easyJet
01 Jan - 04 Jan	Fly Play	direct
01 Jan - 06 Jan	easyJet
05 Jan - 08 Jan	Scandinavian Airlines
01 Jan - 13 Jan	easyJet
30 Jan - 02 Feb	Scandinavian Airlines	direct
26 Jan - 29 Jan	Scandinavian Airlines	direct
31 Jan - 03 Feb	Icelandair	direct

Also check the deals for one-way flights from Keflavik to Copenhagen 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 Keflavik to Copenhagen in January from $179

Return flights