Cheapest return flights from Keflavik to Madrid in August from $241

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

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

Return flights

13 Aug - 28 Aug Scandinavian Airlines
19 Aug - 28 Aug Fly Play
19 Aug - 26 Aug Fly Play
20 Aug - 27 Aug Fly Play
20 Aug - 29 Aug easyJet
16 Aug - 20 Aug Fly Play
06 Aug - 12 Aug Transavia France
18 Aug - 24 Aug Fly Play
08 Aug - 12 Aug Fly Play
03 Aug - 10 Aug Scandinavian Airlines

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