Cheapest return flights from Madrid to Keflavik in May from $160

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 May 2025 (see full year).

Return flights

21 May - 25 May Wizz Air Malta
21 May - 23 May Fly Play direct
21 May - 25 May Fly Play direct
21 May - 28 May Fly Play direct
06 May - 13 May Ryanair
21 May - 29 May Wizz Air Malta
19 May - 25 May Iberia
24 May - 29 May Iberia Express direct
07 May - 15 May Iberia Express direct
28 May - 05 Jun Wizz Air Malta
06 May - 11 May Ryanair
30 May - 04 Jun Fly Play direct
30 May - 06 Jun Fly Play direct
21 May - 11 Jun Fly Play direct
28 May - 06 Jun Fly Play direct
27 May - 05 Jun Iberia
21 May - 01 Jun Fly Play direct
24 May - 05 Jun Iberia Express direct
28 May - 03 Jun Wizz Air Malta
28 May - 01 Jun Wizz Air Malta

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

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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