Cheapest return flights from Madrid to Keflavik in April from $228

Best time to book flights for Madrid (MAD) to Keflavik (KEF) flights at AirHint

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

Return flights

28 Apr - 08 May Fly Play direct
28 Apr - 09 May Fly Play direct
28 Apr - 11 May Fly Play
28 Apr - 02 May Fly Play direct
26 Apr - 08 May Iberia Express
05 Apr - 07 Apr Iberia Express
30 Apr - 06 May Iberia Express
28 Apr - 04 May Fly Play
30 Apr - 04 May Iberia Express
23 Apr - 28 Apr Iberia Express direct
05 Apr - 13 Apr Iberia Express
05 Apr - 14 Apr Iberia Express
26 Apr - 28 Apr Transavia France
29 Apr - 04 May Ryanair
14 Apr - 24 Apr Ryanair
05 Apr - 10 Apr Iberia Express
23 Apr - 30 Apr Iberia Express
25 Apr - 28 Apr Ryanair
19 Apr - 27 Apr Transavia France
26 Apr - 06 May Ryanair

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

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik