Cheapest return flights from Stockholm to Keflavik in September from $202

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

Return flights

01 Sep - 04 Sep Scandinavian Airlines
01 Sep - 05 Sep Scandinavian Airlines
01 Sep - 08 Sep Scandinavian Airlines
28 Sep - 07 Oct Scandinavian Airlines
27 Sep - 07 Oct Scandinavian Airlines
25 Sep - 30 Sep Scandinavian Airlines
27 Sep - 04 Oct Scandinavian Airlines
07 Sep - 13 Sep Scandinavian Airlines
04 Sep - 07 Sep Scandinavian Airlines
18 Sep - 21 Sep Scandinavian Airlines
24 Sep - 28 Sep Scandinavian Airlines
11 Sep - 14 Sep Scandinavian Airlines
22 Sep - 29 Sep Transavia France
27 Sep - 04 Oct Icelandair direct

Also check the deals for one-way 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.