AirHint found the following cheapest one-way flights from Keflavik (KEF) to Madrid (MAD) in April 2026 (see full year).
One-Way flights
| 23 Apr | easyJet | ||
| 27 Apr | easyJet | ||
| 16 Apr | easyJet | ||
| 06 Apr | Scandinavian Airlines | ||
| 05 Apr | Wizz Air | ||
| 10 Apr | Finnair |
Also check the deals for return flights from Keflavik to Madrid in April.
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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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