AirHint found the following cheapest return flights from Madrid (MAD) to Keflavik (KEF) in February 2026 (see full year).

Return flights

25 Feb - 04 Mar	easyJet
24 Feb - 03 Mar	easyJet
02 Feb - 12 Feb	Ryanair
26 Feb - 04 Mar	easyJet
27 Feb - 04 Mar	easyJet
26 Feb - 03 Mar	easyJet
27 Feb - 03 Mar	easyJet
28 Feb - 06 Mar	easyJet
28 Feb - 07 Mar	easyJet
22 Feb - 04 Mar	easyJet
09 Feb - 12 Feb	Ryanair
24 Feb - 07 Mar	easyJet
02 Feb - 06 Feb	Ryanair
04 Feb - 12 Feb	easyJet
02 Feb - 05 Feb	Ryanair
23 Feb - 25 Feb	Ryanair
03 Feb - 12 Feb	Ryanair
02 Feb - 07 Feb	Ryanair
07 Feb - 12 Feb	Ryanair
06 Feb - 12 Feb	Ryanair

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

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 February from $171

Return flights