Cheapest one-way flights from Oslo to Keflavik in October from $53

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

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

One-Way flights

14 Oct Norwegian direct
21 Oct Norwegian direct
07 Oct Norwegian direct
05 Oct Norwegian direct
15 Oct Ryanair
06 Oct Scandinavian Airlines direct
17 Oct Scandinavian Airlines direct
13 Oct Scandinavian Airlines direct
15 Oct Scandinavian Airlines direct
28 Oct Icelandair direct

Also check the deals for return flights from Oslo to Keflavik 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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