AirHint found the following cheapest return flights from Madrid (MAD) to Keflavik (KEF) in October 2026 (see full year).
Return flights
| 06 Oct - 14 Oct | Ryanair | ||
| 07 Oct - 14 Oct | Ryanair | ||
| 01 Oct - 05 Oct | LOT | ||
| 01 Oct - 04 Oct | LOT | ||
| 02 Oct - 10 Oct | Wizz Air Malta | ||
| 05 Oct - 15 Oct | Ryanair | ||
| 19 Oct - 25 Oct | Wizz Air UK |
Also check the deals for one-way 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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