Cheapest return flights from Madrid to Keflavik in August from 198€

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

Return flights

29 Aug - 13 Sep Wizz Air Malta
29 Aug - 10 Sep Wizz Air Malta
31 Aug - 13 Sep Vueling Airlines
29 Aug - 06 Sep Wizz Air Malta
27 Aug - 14 Sep Vueling Airlines
23 Aug - 25 Aug Iberia direct
31 Aug - 16 Sep Vueling Airlines
27 Aug - 07 Sep Vueling Airlines
27 Aug - 06 Sep Vueling Airlines
26 Aug - 06 Sep Wizz Air Malta
24 Aug - 02 Sep Vueling Airlines
24 Aug - 28 Aug Iberia direct
24 Aug - 27 Aug Vueling Airlines
03 Aug - 06 Aug Fly Play direct
23 Aug - 26 Aug Vueling Airlines
24 Aug - 31 Aug Vueling Airlines
27 Aug - 31 Aug Vueling Airlines
23 Aug - 27 Aug Vueling Airlines
13 Aug - 22 Aug Fly Play direct
17 Aug - 21 Aug Iberia direct

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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