AirHint found the following cheapest one-way flights from Madrid (MAD) to Keflavik (KEF) in October 2025 (see full year).
One-Way flights
| 21 Oct | Ryanair | ||
| 22 Oct | Wizz Air Malta | ||
| 29 Oct | Ryanair | ||
| 20 Oct | Ryanair | ||
| 31 Oct | Iberia Express | ||
| 28 Oct | Ryanair | ||
| 19 Oct | Iberia Express | ||
| 24 Oct | Iberia | ||
| 26 Oct | Ryanair | ||
| 15 Oct | Iberia | direct |
Also check the deals for return flights from Madrid to Keflavik in October.
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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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