Cheapest one-way flights from Keflavik to Madrid in August from 123€

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

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

One-Way flights

31 Aug Wizz Air
30 Aug easyJet
24 Aug Wizz Air
01 Aug Fly Play
07 Aug Iberia Express direct
04 Aug Iberia Express direct
11 Aug Iberia Express direct
25 Aug Iberia Express direct
10 Aug Vueling Airlines
21 Aug Iberia Express direct

Also check the deals for return 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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