Cheapest return flights from Madrid to Keflavik in September from 182€

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

Return flights

28 Sep - 07 Oct Wizz Air Malta
29 Sep - 07 Oct Wizz Air Malta
22 Sep - 30 Sep Wizz Air UK
07 Sep - 15 Sep Wizz Air Malta
16 Sep - 23 Sep Wizz Air Malta
28 Sep - 06 Oct Wizz Air Malta
29 Sep - 06 Oct Wizz Air Malta
14 Sep - 22 Sep Wizz Air Malta
05 Sep - 12 Sep Norwegian
15 Sep - 23 Sep Wizz Air UK
05 Sep - 15 Sep Norwegian
30 Sep - 10 Oct Wizz Air Malta
06 Sep - 15 Sep Ryanair
15 Sep - 22 Sep Wizz Air UK
05 Sep - 13 Sep Norwegian
30 Sep - 11 Oct Wizz Air Malta
28 Sep - 05 Oct Wizz Air Malta

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

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