Cheapest return flights from Keflavik to Madrid in January from 144€

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

Return flights

25 Jan - 28 Jan easyJet
13 Jan - 27 Jan easyJet
15 Jan - 18 Jan Lufthansa
08 Jan - 14 Jan KLM
08 Jan - 11 Jan easyJet
07 Jan - 11 Jan easyJet
13 Jan - 23 Jan easyJet
06 Jan - 11 Jan Wizz Air
01 Jan - 13 Jan easyJet
05 Jan - 10 Jan Wizz Air

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

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