Cheapest one-way flights from Oslo to Keflavik in September from 63€

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 September 2025 (see full year).

One-Way flights

30 Sep Norwegian direct
14 Sep Norwegian direct
25 Sep Norwegian direct
07 Sep Norwegian direct
28 Sep Wizz Air
10 Sep Wizz Air
10 Sep Scandinavian Airlines direct
29 Sep Scandinavian Airlines direct
22 Sep Scandinavian Airlines direct
26 Sep Wizz Air

Also check the deals for return flights from Oslo to Keflavik in September.

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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