Cheapest one-way flights from Keflavik to Copenhagen in September from $109

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

AirHint found the following cheapest one-way flights from Keflavik (KEF) to Copenhagen (CPH) in September 2025 (see full year).

One-Way flights

22 Sep Scandinavian Airlines direct
01 Sep Scandinavian Airlines direct
16 Sep Fly Play direct
27 Sep Fly Play direct
06 Sep Fly Play direct
19 Sep Fly Play direct
21 Sep Fly Play direct
30 Sep Fly Play direct
10 Sep Fly Play direct
24 Sep Fly Play direct

Also check the deals for return flights from Keflavik to Copenhagen in September.

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.

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