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

Return flights

26 Aug - 07 Sep	Wizz Air
26 Aug - 03 Sep	Wizz Air
27 Aug - 03 Sep	Wizz Air
27 Aug - 02 Sep	Wizz Air
30 Aug - 03 Sep	Wizz Air
26 Aug - 31 Aug	Wizz Air
27 Aug - 31 Aug	Wizz Air
30 Aug - 06 Sep	Wizz Air
28 Aug - 04 Sep	easyJet
28 Aug - 09 Sep	easyJet
26 Aug - 27 Aug	Wizz Air
29 Aug - 04 Sep	Ryanair
28 Aug - 02 Sep	easyJet
14 Aug - 20 Aug	Scandinavian Airlines
29 Aug - 31 Aug	Ryanair
21 Aug - 23 Aug	SWISS
24 Aug - 31 Aug	Eurowings
14 Aug - 28 Aug	Scandinavian Airlines
21 Aug - 24 Aug	Eurowings
26 Aug - 30 Aug	Wizz Air

Also check the deals for one-way flights from Hamburg 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 Hamburg to Keflavik in August from 161€

Return flights