Cheapest one-way flights from Keflavik to Madrid in May from 87€

Best time to book flights for Keflavik (KEF) to Madrid (MAD) flights at AirHint

AirHint found the following cheapest one-way flights from Keflavik (KEF) to Madrid (MAD) in May 2025 (see full year).

One-Way flights

08 May Iberia Express direct
22 May Iberia Express direct
14 May easyJet
29 May Iberia Express direct
25 May Iberia Express direct
01 May Iberia Express direct
21 May easyJet
15 May Wizz Air Malta
18 May easyJet
04 May easyJet

Also check the deals for return flights from Keflavik to Madrid in May.

Skyscanner

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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