Cheapest return flights from Madrid to Keflavik in September from 197€

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

Return flights

22 Sep - 30 Sep Wizz Air UK
22 Sep - 01 Oct Wizz Air UK
21 Sep - 30 Sep Wizz Air Malta
07 Sep - 15 Sep Wizz Air Malta
16 Sep - 23 Sep Wizz Air Malta
05 Sep - 14 Sep Norwegian
07 Sep - 17 Sep Wizz Air Malta
24 Sep - 18 Oct LOT
05 Sep - 12 Sep Norwegian
21 Sep - 03 Oct Wizz Air Malta
05 Sep - 09 Sep Norwegian
19 Sep - 30 Sep Iberia Express
14 Sep - 22 Sep Wizz Air Malta
28 Sep - 09 Oct Wizz Air Malta
25 Sep - 01 Oct Wizz Air Malta
25 Sep - 19 Oct Wizz Air Malta

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

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