Cheapest one-way flights from Oslo to Keflavik in September from $59

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
07 Sep Norwegian direct
18 Sep Norwegian direct
09 Sep Norwegian direct
02 Sep Norwegian direct
21 Sep Norwegian direct
23 Sep Norwegian direct
04 Sep Norwegian direct
25 Sep Norwegian direct
08 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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