Cheapest return flights from Keflavik to Oslo in October from $122

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

Return flights

14 Oct - 23 Oct Norwegian direct
14 Oct - 21 Oct Norwegian direct
21 Oct - 23 Oct Norwegian direct
14 Oct - 19 Oct Norwegian direct
09 Oct - 16 Oct Norwegian direct
09 Oct - 23 Oct Norwegian direct
09 Oct - 21 Oct Norwegian direct
19 Oct - 23 Oct Norwegian direct
19 Oct - 21 Oct Norwegian direct
01 Oct - 09 Oct Wizz Air
12 Oct - 03 Nov Wizz Air
12 Oct - 03 Nov Norwegian direct
30 Oct - 02 Nov Scandinavian Airlines
29 Oct - 01 Nov Icelandair direct
31 Oct - 03 Nov Icelandair direct
30 Oct - 02 Nov Icelandair direct

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

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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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