Cheapest return flights from Madrid to Keflavik in September from 184€

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

Return flights

07 Sep - 15 Sep Wizz Air Malta
22 Sep - 30 Sep Wizz Air UK
05 Sep - 15 Sep Norwegian
22 Sep - 01 Oct Wizz Air UK
07 Sep - 22 Sep Wizz Air Malta
05 Sep - 19 Sep Norwegian
07 Sep - 13 Sep easyJet
08 Sep - 15 Sep Wizz Air Malta
28 Sep - 10 Oct Transavia France
05 Sep - 16 Sep Norwegian
22 Sep - 29 Sep Wizz Air UK
28 Sep - 06 Oct Transavia France
16 Sep - 01 Oct Iberia Express
05 Sep - 08 Sep Norwegian
26 Sep - 01 Oct Iberia Express
30 Sep - 14 Oct Wizz Air Malta
26 Sep - 04 Oct Iberia Express
25 Sep - 04 Oct Wizz Air Malta
21 Sep - 04 Oct Volotea
26 Sep - 03 Oct Iberia Express

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

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