Cheapest return flights from Keflavik to Oslo in October from $164

Best time to book flights for Keflavik (KEF) to Oslo (OSL) flights at AirHint

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

Return flights

14 Oct - 16 Oct Norwegian direct
23 Oct - 26 Oct Scandinavian Airlines
05 Oct - 07 Oct Norwegian direct
05 Oct - 09 Oct Norwegian direct
12 Oct - 16 Oct Norwegian direct
05 Oct - 16 Oct Norwegian direct
20 Oct - 23 Oct Scandinavian Airlines
19 Oct - 22 Oct Scandinavian Airlines
12 Oct - 15 Oct Scandinavian Airlines
06 Oct - 09 Oct Scandinavian Airlines
30 Oct - 02 Nov Scandinavian Airlines
31 Oct - 03 Nov Icelandair direct
29 Oct - 01 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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