Cheapest return flights from Madrid to Keflavik in September from 212€

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

Return flights

09 Sep - 15 Sep Wizz Air
23 Sep - 06 Oct Wizz Air UK
30 Sep - 06 Oct Wizz Air
08 Sep - 20 Sep Wizz Air UK
09 Sep - 22 Sep Wizz Air
22 Sep - 28 Sep Wizz Air UK
30 Sep - 11 Oct Wizz Air UK
09 Sep - 21 Sep Wizz Air
29 Sep - 06 Oct Wizz Air UK
12 Sep - 21 Sep Wizz Air UK
16 Sep - 20 Sep Iberia Express
08 Sep - 15 Sep Wizz Air UK
08 Sep - 21 Sep Wizz Air UK
30 Sep - 12 Oct Wizz Air Malta
15 Sep - 20 Sep Wizz Air UK
30 Sep - 10 Oct Wizz Air Malta
26 Sep - 10 Oct Iberia Express
14 Sep - 18 Oct Ryanair
21 Sep - 04 Oct Wizz Air UK
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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