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

Return flights

23 Oct - 26 Oct	Wizz Air
15 Oct - 22 Oct	Wizz Air
09 Oct - 15 Oct	Wizz Air
19 Oct - 26 Oct	Wizz Air
20 Oct - 26 Oct	Wizz Air
15 Oct - 19 Oct	Wizz Air
18 Oct - 19 Oct	Wizz Air
15 Oct - 18 Oct	Wizz Air
01 Oct - 08 Oct	Wizz Air
23 Oct - 25 Oct	Wizz Air
31 Oct - 04 Nov	Scandinavian Airlines
25 Oct - 02 Nov	Ryanair
25 Oct - 01 Nov	Ryanair
31 Oct - 03 Nov	Scandinavian Airlines
31 Oct - 07 Nov	Icelandair	direct
29 Oct - 01 Nov	Scandinavian Airlines
31 Oct - 04 Nov	Icelandair	direct
29 Oct - 02 Nov	Scandinavian Airlines
28 Oct - 02 Nov	Scandinavian Airlines
31 Oct - 03 Nov	Icelandair	direct

Also check the deals for one-way flights from Stockholm to Keflavik in October.

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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Cheapest return flights from Stockholm to Keflavik in October from 134€

Return flights