AirHint found the following cheapest return flights from Berlin (BER) to Keflavik (KEF) in August 2025 (see full year).

Return flights

31 Aug - 08 Sep	Fly Play	direct
25 Aug - 07 Sep	Fly Play	direct
27 Aug - 02 Sep	Norwegian
31 Aug - 07 Sep	Fly Play	direct
21 Aug - 25 Aug	Ryanair
20 Aug - 26 Aug	Norwegian
31 Aug - 10 Sep	Ryanair
25 Aug - 27 Aug	Fly Play	direct
25 Aug - 02 Sep	easyJet
26 Aug - 02 Sep	easyJet
25 Aug - 03 Sep	Fly Play	direct
25 Aug - 01 Sep	Fly Play	direct
26 Aug - 01 Sep	easyJet
22 Aug - 25 Aug	Fly Play	direct
21 Aug - 24 Aug	Ryanair
21 Aug - 27 Aug	Ryanair
20 Aug - 25 Aug	Ryanair
19 Aug - 25 Aug	easyJet
19 Aug - 26 Aug	Ryanair
20 Aug - 27 Aug	Ryanair

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

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 August from 230€

Return flights