Cheapest one-way flights from Madrid to Keflavik in May from $62

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

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

One-Way flights

21 May Wizz Air Malta
20 May Wizz Air Malta
14 May Iberia Express direct
21 May Iberia Express direct
24 May Iberia Express direct
17 May Iberia Express direct
03 May Iberia Express direct
19 May Wizz Air
07 May Iberia Express direct
10 May Iberia

Also check the deals for return flights from Madrid to Keflavik 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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