Cheapest one-way flights from Keflavik to Madrid in April from $142

AirHint found the following cheapest one-way flights from Keflavik (KEF) to Madrid (MAD) in April 2026 (see full year).

One-Way flights

11 Apr Transavia France
04 Apr Transavia France
12 Apr Norwegian
02 Apr Transavia France
06 Apr Scandinavian Airlines
13 Apr easyJet
10 Apr Fly Play direct
13 Apr Fly Play direct
06 Apr Fly Play direct

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

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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