Cheapest return flights from Oslo to Keflavik in October from $140

AirHint found the following cheapest return flights from Oslo (OSL) to Keflavik (KEF) in October 2026 (see full year).

Return flights

13 Oct - 15 Oct Norwegian direct
01 Oct - 15 Oct Norwegian direct
01 Oct - 13 Oct Norwegian direct
08 Oct - 15 Oct Norwegian direct
08 Oct - 13 Oct Norwegian direct
01 Oct - 06 Oct Norwegian direct
04 Oct - 15 Oct Norwegian direct
04 Oct - 13 Oct Norwegian direct
09 Oct - 11 Oct Scandinavian Airlines
13 Oct - 18 Oct Norwegian direct
29 Oct - 01 Nov Scandinavian Airlines direct
31 Oct - 03 Nov Icelandair direct
30 Oct - 02 Nov Icelandair direct

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