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

Return flights

01 Sep - 08 Sep	easyJet
11 Sep - 13 Sep	easyJet
01 Sep - 07 Sep	Scandinavian Airlines
24 Sep - 05 Oct	LOT
05 Sep - 19 Sep	Transavia France
24 Sep - 05 Oct	Icelandair	direct
01 Sep - 08 Sep	Icelandair	direct
01 Sep - 07 Sep	Icelandair	direct
11 Sep - 13 Sep	Icelandair	direct
05 Sep - 19 Sep	Icelandair	direct

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

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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Cheapest return flights from Berlin to Keflavik in September from 247€

Return flights