Cheapest return flights from Keflavik to Oslo in September from 118€

AirHint found the following cheapest return flights from Keflavik (KEF) to Oslo (OSL) in September 2026 (see full year).

Return flights

29 Sep - 13 Oct Norwegian direct
29 Sep - 06 Oct Norwegian direct
15 Sep - 06 Oct Norwegian direct
24 Sep - 13 Oct Norwegian direct
24 Sep - 06 Oct Norwegian direct
10 Sep - 15 Sep Norwegian direct
10 Sep - 13 Sep Norwegian direct
29 Sep - 15 Oct Norwegian direct
13 Sep - 15 Sep Norwegian direct
06 Sep - 08 Sep Norwegian direct
24 Sep - 15 Oct Norwegian direct
01 Sep - 04 Sep Scandinavian Airlines direct
08 Sep - 11 Sep Scandinavian Airlines direct
15 Sep - 18 Sep Scandinavian Airlines direct
06 Sep - 15 Sep Norwegian direct
06 Sep - 13 Sep Norwegian direct
05 Sep - 08 Sep Scandinavian Airlines direct
29 Sep - 02 Oct Scandinavian Airlines direct
28 Sep - 01 Oct Scandinavian Airlines direct
30 Sep - 03 Oct Scandinavian Airlines

Also check the deals for one-way flights from Keflavik to Oslo in September.

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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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