Cheapest return flights from Keflavik to Madrid in April from 158€

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

Return flights

27 Apr - 05 May easyJet
18 Apr - 22 Apr Wizz Air
26 Apr - 28 Apr Wizz Air
17 Apr - 26 Apr easyJet
26 Apr - 02 May Wizz Air
04 Apr - 11 Apr Wizz Air
02 Apr - 20 Apr Wizz Air
02 Apr - 04 Apr Wizz Air
03 Apr - 04 Apr Transavia France
03 Apr - 12 Apr Transavia France
01 Apr - 11 Apr KLM
01 Apr - 05 Apr LOT
30 Apr - 03 May Wizz Air

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

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