Cheapest return flights from Keflavik to Madrid in October from $194

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

Return flights

26 Oct - 24 Nov Wizz Air
02 Oct - 08 Oct Iberia Express direct
19 Oct - 25 Oct Iberia Express direct
27 Oct - 16 Nov easyJet
31 Oct - 07 Nov Wizz Air Malta
12 Oct - 19 Oct Wizz Air Malta
15 Oct - 28 Oct Jet2
25 Oct - 29 Oct Wizz Air
19 Oct - 23 Oct Iberia Express
12 Oct - 18 Oct Wizz Air Malta
09 Oct - 13 Oct Vueling Airlines
19 Oct - 27 Oct Iberia Express
16 Oct - 19 Oct Wizz Air Malta
31 Oct - 07 Nov Fly Play direct

Also check the deals for one-way flights from Keflavik to Madrid 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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