Cheapest return flights from Keflavik to Madrid in August from $312

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

01 Aug - 15 Aug Scandinavian Airlines
01 Aug - 14 Aug Scandinavian Airlines
24 Aug - 31 Aug Fly Play
03 Aug - 16 Aug Fly Play
03 Aug - 15 Aug Fly Play
02 Aug - 14 Aug Fly Play
02 Aug - 15 Aug easyJet
03 Aug - 17 Aug Scandinavian Airlines
03 Aug - 10 Aug Scandinavian Airlines
03 Aug - 15 Aug Fly Play direct

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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