Cheapest return MAD–KEF flights, August

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

Return flights

26 Aug - 02 Sep Wizz Air Malta
26 Aug - 31 Aug Wizz Air Malta
29 Aug - 13 Sep Ryanair
26 Aug - 06 Sep Wizz Air Malta
25 Aug - 02 Sep Ryanair
26 Aug - 01 Sep Wizz Air Malta
29 Aug - 08 Sep Ryanair
29 Aug - 21 Sep Ryanair
27 Aug - 31 Aug Wizz Air Malta
27 Aug - 06 Sep Wizz Air Malta
28 Aug - 06 Sep easyJet
30 Aug - 08 Sep Ryanair
25 Aug - 30 Aug Iberia
26 Aug - 30 Aug Wizz Air Malta
24 Aug - 30 Aug Ryanair
23 Aug - 30 Aug Wizz Air Malta
20 Aug - 31 Aug Ryanair
21 Aug - 26 Aug Iberia
04 Aug - 11 Aug Ryanair
06 Aug - 13 Aug Wizz Air Malta

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

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