Cheapest return flights from Madrid to Keflavik in May from 130€

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

Return flights

13 May - 24 May Wizz Air Malta
20 May - 24 May Ryanair
16 May - 24 May Wizz Air UK
12 May - 24 May Ryanair
06 May - 13 May easyJet
12 May - 19 May Ryanair
04 May - 24 May Wizz Air
12 May - 17 May Ryanair
12 May - 25 May Ryanair
06 May - 11 May Wizz Air Malta
05 May - 14 Jun Wizz Air Malta
27 May - 02 Jun easyJet
26 May - 02 Jun Ryanair
25 May - 02 Jun Ryanair
23 May - 02 Jun Wizz Air
29 May - 05 Jun Ryanair
23 May - 05 Jun Ryanair
27 May - 07 Jun easyJet
27 May - 06 Jun easyJet
04 May - 18 Jun Ryanair

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

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