Cheapest return flights from Madrid to Keflavik in December from $211

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

Return flights

07 Dec - 14 Dec Wizz Air Malta
07 Dec - 11 Dec Wizz Air Malta
06 Dec - 09 Dec Wizz Air Malta
09 Dec - 13 Dec Wizz Air Malta
05 Dec - 12 Dec Wizz Air UK
07 Dec - 13 Dec Wizz Air Malta
12 Dec - 20 Dec Wizz Air Malta
14 Dec - 19 Dec Wizz Air Malta
11 Dec - 19 Dec Wizz Air Malta
12 Dec - 19 Dec Wizz Air Malta

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

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