AirHint found the following cheapest one-way flights from Keflavik (KEF) to Madrid (MAD) in June 2026 (see full year).
One-Way flights
| 25 Jun | Iberia Express | direct | |
| 21 Jun | Iberia Express | direct | |
| 10 Jun | easyJet | ||
| 11 Jun | Transavia France | ||
| 13 Jun | easyJet | ||
| 07 Jun | Transavia France | ||
| 29 Jun | Finnair |
Also check the deals for return flights from Keflavik to Madrid in June.
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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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