Cheapest one-way flights from Madrid to Keflavik in October from $91

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

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

One-Way flights

22 Oct Iberia Express direct
25 Oct Iberia Express direct
20 Oct Iberia
04 Oct Iberia Express
11 Oct Iberia Express
01 Oct Iberia Express
21 Oct easyJet
18 Oct Iberia Express direct
17 Oct easyJet
08 Oct Iberia Express direct

Also check the deals for return flights from Madrid to Keflavik in October.

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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