Cheapest one-way flights from Keflavik to Stockholm in September from $143

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

13 Sep Scandinavian Airlines
19 Sep Fly Play
13 Sep Icelandair direct
19 Sep Icelandair direct
17 Sep Icelandair direct
18 Sep Icelandair direct
20 Sep Icelandair direct
22 Sep Icelandair direct
23 Sep Icelandair direct
24 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