Cheapest one-way flights from Oslo to Keflavik in September from $60

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

11 Sep Norwegian direct
25 Sep Scandinavian Airlines direct
19 Sep Scandinavian Airlines direct
04 Sep Norwegian direct
12 Sep Scandinavian Airlines direct
08 Sep Scandinavian Airlines direct
13 Sep Scandinavian Airlines direct
15 Sep Scandinavian Airlines direct
17 Sep Scandinavian Airlines direct
20 Sep Scandinavian Airlines direct

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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