Cheapest one-way flights from Madrid to Keflavik in October from $101

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

11 Oct Iberia Express
04 Oct Ryanair
25 Oct Iberia Express direct
13 Oct Ryanair
15 Oct easyJet
08 Oct Iberia Express direct
10 Oct Iberia
17 Oct easyJet
12 Oct Wizz Air Malta
01 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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