Cheapest one-way flights from Stockholm to Keflavik in September from $101

Best time to book flights for Stockholm (ARN) to Keflavik (KEF) flights at AirHint

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

One-Way flights

22 Sep Norwegian
23 Sep Norwegian
09 Sep Scandinavian Airlines
30 Sep Norwegian
16 Sep Norwegian Air Sweden AOC
05 Sep Scandinavian Airlines
08 Sep Scandinavian Airlines
07 Sep Scandinavian Airlines
02 Sep Icelandair direct
04 Sep Icelandair direct

Also check the deals for return flights from Stockholm 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.

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