Cheapest return flights from Madrid to Keflavik in August from 284€

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

Return flights

26 Aug - 30 Aug Ryanair
25 Aug - 06 Sep Ryanair
24 Aug - 07 Sep Ryanair
29 Aug - 06 Sep Iberia Express
26 Aug - 05 Sep Ryanair
25 Aug - 31 Aug Ryanair
30 Aug - 03 Sep Wizz Air Malta
31 Aug - 13 Sep Ryanair
28 Aug - 01 Sep Iberia Express
29 Aug - 01 Sep Iberia
28 Aug - 31 Aug Iberia Express
25 Aug - 01 Sep Ryanair
26 Aug - 31 Aug Ryanair
12 Aug - 22 Aug Ryanair
22 Aug - 31 Aug Ryanair
26 Aug - 04 Sep Ryanair
24 Aug - 30 Aug Ryanair
22 Aug - 30 Aug Ryanair
12 Aug - 20 Aug Ryanair
12 Aug - 27 Aug Ryanair

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

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