Cheapest return flights from Madrid to Keflavik in August from 190€

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

Return flights

28 Aug - 07 Sep Wizz Air Malta
27 Aug - 07 Sep Vueling Airlines
31 Aug - 07 Sep Iberia Express
27 Aug - 01 Sep Vueling Airlines
29 Aug - 07 Sep Ryanair
31 Aug - 10 Sep Iberia Express
27 Aug - 03 Sep Vueling Airlines
28 Aug - 06 Sep Wizz Air Malta
24 Aug - 01 Sep Iberia Express
31 Aug - 11 Sep Iberia Express
24 Aug - 28 Aug Iberia Express
22 Aug - 28 Aug Wizz Air Malta
26 Aug - 28 Aug Ryanair
06 Aug - 09 Aug Wizz Air Malta
21 Aug - 28 Aug Wizz Air Malta
24 Aug - 30 Aug Iberia Express
22 Aug - 27 Aug Wizz Air Malta
27 Aug - 31 Aug Vueling Airlines
28 Aug - 31 Aug Wizz Air Malta
22 Aug - 30 Aug Wizz Air Malta

Also check the deals for one-way flights from Madrid to Keflavik in August.

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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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