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

Return flights

20 Aug - 27 Aug	Fly Play	direct
18 Aug - 27 Aug	Fly Play	direct
27 Aug - 29 Aug	Fly Play	direct
18 Aug - 25 Aug	Fly Play	direct
22 Aug - 29 Aug	Fly Play	direct
28 Aug - 03 Sep	Lufthansa
27 Aug - 03 Sep	easyJet
24 Aug - 31 Aug	Fly Play	direct
28 Aug - 30 Aug	Lufthansa
16 Aug - 23 Aug	Lufthansa
22 Aug - 24 Aug	Scandinavian Airlines
22 Aug - 24 Aug	Fly Play	direct

Also check the deals for one-way flights from Keflavik to Berlin 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 Keflavik to Berlin in August from 192€

Return flights