Cheapest one-way flights from Madrid to Keflavik in May from 73€

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

One-Way flights

27 May Iberia Express direct
06 May Iberia Express direct
16 May Iberia Express direct
23 May Iberia Express direct
30 May Iberia Express direct
08 May Ryanair
07 May Norwegian
04 May Iberia
04 May Fly Play direct
08 May World Ticket Ltd direct

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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