Cheapest one-way flights from Keflavik to Oslo in September from 70€

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

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

One-Way flights

30 Sep Norwegian direct
16 Sep Norwegian direct
25 Sep Norwegian direct
09 Sep Norwegian direct
11 Sep Scandinavian Airlines direct
18 Sep Scandinavian Airlines direct
01 Sep Scandinavian Airlines direct
21 Sep Norwegian direct
06 Sep Scandinavian Airlines direct
13 Sep Scandinavian Airlines direct

Also check the deals for return flights from Keflavik to Oslo 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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