Cheapest one-way flights from Keflavik to Stockholm in September from $119

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

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

One-Way flights

25 Sep Scandinavian Airlines
05 Sep Scandinavian Airlines
18 Sep Scandinavian Airlines
25 Sep Icelandair direct
01 Sep Icelandair direct
02 Sep Icelandair direct
03 Sep Icelandair direct
11 Sep Icelandair direct
12 Sep Icelandair direct
13 Sep Icelandair direct

Also check the deals for return flights from Keflavik to Stockholm 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 Stockholm

Cheap car rent in Stockholm