Cheapest return flights from Copenhagen to Keflavik in December from $185

Best time to book flights for Copenhagen (CPH) to Keflavik (KEF) flights at AirHint

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

Return flights

05 Dec - 08 Dec Scandinavian Airlines direct
01 Dec - 04 Dec Fly Play direct
02 Dec - 05 Dec Fly Play direct
03 Dec - 06 Dec Fly Play direct
04 Dec - 07 Dec Fly Play direct
09 Dec - 12 Dec Fly Play direct
10 Dec - 13 Dec Fly Play direct
11 Dec - 14 Dec Fly Play direct
12 Dec - 15 Dec Fly Play direct
13 Dec - 16 Dec Fly Play direct
29 Dec - 04 Jan Fly Play direct

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