Cheapest return flights from Keflavik to Copenhagen in December from $161

AirHint found the following cheapest return flights from Keflavik (KEF) to Copenhagen (CPH) in December 2025 (see full year).

Return flights

04 Dec - 07 Dec Fly Play direct
11 Dec - 14 Dec Fly Play direct
14 Dec - 21 Dec Fly Play direct
01 Dec - 04 Dec Scandinavian Airlines direct
02 Dec - 05 Dec Scandinavian Airlines direct
07 Dec - 10 Dec Scandinavian Airlines direct
08 Dec - 11 Dec Scandinavian Airlines direct
18 Dec - 21 Dec Fly Play direct
05 Dec - 08 Dec Scandinavian Airlines direct
09 Dec - 12 Dec Scandinavian Airlines direct
29 Dec - 01 Jan Icelandair direct
30 Dec - 02 Jan Icelandair direct
31 Dec - 03 Jan Icelandair direct

Also check the deals for one-way flights from Keflavik to Copenhagen in December.

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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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