Cheapest return flights from Madrid to Keflavik in September from 196€

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
22 Sep - 01 Oct Wizz Air UK
07 Sep - 16 Sep Wizz Air Malta
14 Sep - 22 Sep Wizz Air Malta
07 Sep - 13 Sep Wizz Air Malta
09 Sep - 15 Sep Iberia Express
16 Sep - 22 Sep Wizz Air Malta
05 Sep - 09 Sep Norwegian
12 Sep - 19 Sep Iberia
22 Sep - 29 Sep Wizz Air UK

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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