Cheapest return flights from Keflavik to Oslo in October from $145

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

09 Oct - 14 Oct Norwegian direct
07 Oct - 14 Oct Norwegian direct
09 Oct - 12 Oct Norwegian direct
09 Oct - 21 Oct Norwegian direct
07 Oct - 12 Oct Norwegian direct
07 Oct - 21 Oct Norwegian direct
09 Oct - 16 Oct Norwegian direct
07 Oct - 16 Oct Norwegian direct
16 Oct - 21 Oct Norwegian direct
19 Oct - 21 Oct Norwegian direct
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.

Skyscanner

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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