Cheapest return flights from Madrid to Keflavik in August from $280

AirHint found the following cheapest return flights from Madrid (MAD) to Keflavik (KEF) in August 2026 (see full year).

Return flights

30 Aug - 06 Sep Iberia
30 Aug - 14 Sep Iberia
22 Aug - 25 Aug Scandinavian Airlines
29 Aug - 08 Sep Iberia
29 Aug - 06 Sep Iberia
31 Aug - 08 Sep Iberia
29 Aug - 09 Sep Iberia
27 Aug - 06 Sep Norwegian
31 Aug - 06 Sep Iberia
27 Aug - 31 Aug Iberia Express
27 Aug - 04 Sep Iberia Express
26 Aug - 30 Aug Iberia Express
26 Aug - 01 Sep Air Europa
22 Aug - 23 Aug Scandinavian Airlines
12 Aug - 22 Aug Wizz Air Malta
24 Aug - 29 Aug Iberia
04 Aug - 11 Aug Ryanair
12 Aug - 18 Aug Wizz Air Malta
12 Aug - 20 Aug Wizz Air Malta
20 Aug - 29 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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