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

Return flights

21 Aug - 28 Aug	Wizz Air
23 Aug - 26 Aug	Wizz Air
28 Aug - 04 Sep	Wizz Air
19 Aug - 23 Aug	Wizz Air
07 Aug - 19 Aug	Lufthansa
06 Aug - 19 Aug	Wizz Air
31 Aug - 07 Sep	Wizz Air
30 Aug - 06 Sep	Wizz Air
06 Aug - 10 Aug	Wizz Air
05 Aug - 09 Aug	Wizz Air
28 Aug - 04 Sep	Icelandair	direct
21 Aug - 28 Aug	Icelandair	direct
01 Aug - 09 Aug	Wizz Air Malta
24 Aug - 31 Aug	Vueling Airlines
24 Aug - 07 Sep	Vueling Airlines

Also check the deals for one-way flights from Keflavik to Hamburg 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 Hamburg in August from $240

Return flights