Cheapest return flights from Madrid to Keflavik in December from 166€

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

Return flights

13 Dec - 16 Dec Wizz Air Malta
06 Dec - 14 Dec Wizz Air Malta
16 Dec - 19 Dec Wizz Air Malta
05 Dec - 08 Dec Wizz Air UK
05 Dec - 13 Dec Wizz Air UK
04 Dec - 08 Dec Iberia
24 Dec - 29 Dec easyJet
21 Dec - 27 Dec LOT

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

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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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