Cheapest one-way flights from Copenhagen to Keflavik in September from $87

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

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

One-Way flights

23 Sep easyJet
10 Sep Fly Play direct
11 Sep Fly Play direct
15 Sep Fly Play direct
12 Sep Fly Play direct
07 Sep Fly Play direct
05 Sep Fly Play direct
19 Sep Fly Play direct
08 Sep Fly Play direct
09 Sep Fly Play direct

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

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik