Cheapest one-way flights from Madrid to Keflavik in August from 83€

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

One-Way flights

27 Aug Iberia Express direct
31 Aug Iberia Express direct
24 Aug Iberia Express direct
29 Aug Ryanair
26 Aug Ryanair
06 Aug Wizz Air Malta
22 Aug Wizz Air Malta
30 Aug Ryanair
21 Aug Ryanair
05 Aug Ryanair

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

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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