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

Return flights

02 Oct - 14 Oct	Wizz Air
30 Oct - 06 Nov	Wizz Air
02 Oct - 04 Oct	Wizz Air
25 Oct - 01 Nov	Wizz Air
08 Oct - 11 Oct	Wizz Air
03 Oct - 07 Oct	Ryanair
11 Oct - 17 Oct	Wizz Air
30 Oct - 04 Nov	Wizz Air
30 Oct - 05 Nov	LOT
24 Oct - 02 Nov	airBaltic
17 Oct - 20 Oct	airBaltic
29 Oct - 05 Nov	Scandinavian Airlines
29 Oct - 05 Nov	Icelandair	direct
30 Oct - 05 Nov	Icelandair	direct
30 Oct - 06 Nov	Icelandair	direct
11 Oct - 17 Oct	Icelandair	direct
17 Oct - 20 Oct	Icelandair	direct
10 Oct - 20 Oct	Icelandair	direct
03 Oct - 07 Oct	Icelandair	direct
30 Oct - 04 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 161€

Return flights