AirHint found the following cheapest return flights from Palma de Mallorca (PMI) to Keflavik (KEF) in August 2025 (see full year).

Return flights

28 Aug - 06 Sep	Ryanair
20 Aug - 01 Sep	Ryanair
19 Aug - 27 Aug	Ryanair
28 Aug - 07 Sep	Ryanair
25 Aug - 01 Sep	Ryanair
30 Aug - 01 Sep	Vueling Airlines
20 Aug - 02 Sep	Ryanair
19 Aug - 01 Sep	Ryanair
29 Aug - 08 Sep	Norwegian Air Sweden AOC
19 Aug - 31 Aug	Ryanair
20 Aug - 31 Aug	Ryanair
05 Aug - 14 Aug	Ryanair
06 Aug - 20 Aug	Ryanair
21 Aug - 31 Aug	SWISS
17 Aug - 31 Aug	Vueling Airlines

Also check the deals for one-way flights from Palma de Mallorca 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 Palma de Mallorca to Keflavik in August from $310

Return flights