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

Return flights

27 Aug - 09 Sep	Norwegian
30 Aug - 16 Sep	Ryanair
29 Aug - 03 Sep	Ryanair
27 Aug - 31 Aug	Norwegian
13 Aug - 18 Aug	Wizz Air
28 Aug - 02 Sep	Eurowings
30 Aug - 07 Sep	Transavia France
21 Aug - 27 Aug	Eurowings
02 Aug - 07 Aug	Wizz Air
23 Aug - 02 Sep	Ryanair
14 Aug - 20 Aug	Wizz Air
28 Aug - 08 Sep	Ryanair
01 Aug - 11 Aug	Ryanair
31 Aug - 07 Sep	Ryanair
31 Aug - 08 Sep	Ryanair
29 Aug - 07 Sep	Ryanair
22 Aug - 25 Aug	Fly Play	direct
18 Aug - 25 Aug	Fly Play	direct
18 Aug - 22 Aug	Fly Play	direct
20 Aug - 26 Aug	Norwegian

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 223€

Return flights