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

Return flights

21 Nov - 28 Nov	Wizz Air Malta
24 Nov - 01 Dec	Fly Play	direct
12 Nov - 21 Nov	easyJet
03 Nov - 10 Nov	Wizz Air Malta
10 Nov - 21 Nov	Wizz Air Malta
10 Nov - 01 Dec	Fly Play	direct
28 Nov - 01 Dec	Fly Play	direct
14 Nov - 21 Nov	Wizz Air Malta
24 Nov - 28 Nov	Wizz Air Malta
10 Nov - 20 Nov	Wizz Air Malta
10 Nov - 17 Nov	Wizz Air Malta
07 Nov - 12 Nov	easyJet
21 Nov - 01 Dec	Fly Play	direct
24 Nov - 28 Nov	Fly Play	direct
07 Nov - 01 Dec	Fly Play	direct
26 Nov - 05 Dec	Air Europa
27 Nov - 01 Dec	Ryanair

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

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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Cheapest return flights from Madrid to Keflavik in November from 147€

Return flights