Cheapest return flights from Copenhagen to Keflavik in May from $183

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 May 2025 (see full year).

Return flights

07 May - 10 May Scandinavian Airlines
14 May - 17 May Fly Play direct
13 May - 17 May Norwegian
21 May - 24 May Scandinavian Airlines direct
07 May - 10 May Scandinavian Airlines direct
21 May - 06 Jun Scandinavian Airlines direct
16 May - 25 May Fly Play direct
16 May - 20 May Fly Play direct
14 May - 18 May Fly Play direct
16 May - 18 May Fly Play direct
23 May - 25 May Fly Play direct
20 May - 03 Jun Scandinavian Airlines direct
27 May - 01 Jun Fly Play direct
31 May - 09 Jun Fly Play direct
30 May - 01 Jun Fly Play direct
31 May - 07 Jun Fly Play direct
30 May - 02 Jun Fly Play direct
31 May - 03 Jun Fly Play direct
29 May - 01 Jun Fly Play direct

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

Skyscanner

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik