Cheapest return flights from Madrid to Keflavik in December from 135€

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

Return flights

17 Dec - 18 Jan Wizz Air Malta
16 Dec - 15 Jan Wizz Air Malta
10 Dec - 16 Dec Wizz Air Malta
10 Dec - 17 Dec Wizz Air Malta
10 Dec - 15 Dec Wizz Air Malta
06 Dec - 15 Dec Wizz Air Malta
07 Dec - 15 Dec Wizz Air Malta
08 Dec - 15 Dec Wizz Air Malta
10 Dec - 09 Jan Wizz Air Malta
06 Dec - 10 Dec Ryanair
05 Dec - 14 Dec Ryanair
17 Dec - 24 Dec Wizz Air Malta
15 Dec - 22 Dec Wizz Air Malta
24 Dec - 01 Jan Wizz Air
16 Dec - 04 Jan Wizz Air Malta
26 Dec - 04 Jan Wizz Air
21 Dec - 03 Jan LOT
25 Dec - 03 Jan Iberia
22 Dec - 03 Jan Iberia Express

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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