Cheapest return flights from Madrid to Keflavik in September from 190€

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

Return flights

29 Sep - 06 Oct Wizz Air UK
08 Sep - 15 Sep Wizz Air UK
16 Sep - 27 Sep Wizz Air Malta
30 Sep - 11 Oct Wizz Air
22 Sep - 27 Sep Wizz Air UK
12 Sep - 22 Sep Wizz Air UK
08 Sep - 20 Sep Wizz Air UK
12 Sep - 15 Sep Wizz Air UK
12 Sep - 20 Sep Wizz Air UK
08 Sep - 13 Sep Wizz Air UK
23 Sep - 27 Sep Wizz Air Malta
22 Sep - 28 Sep Wizz Air UK
28 Sep - 05 Oct Wizz Air UK
26 Sep - 11 Oct Wizz Air UK
23 Sep - 01 Oct Wizz Air Malta
27 Sep - 06 Oct Wizz Air Malta
25 Sep - 04 Oct Wizz Air Malta
24 Sep - 04 Oct KLM
27 Sep - 05 Oct Wizz Air Malta
26 Sep - 03 Oct Iberia Express

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

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