Cheapest return flights from Madrid to Keflavik in May from $164

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

17 May - 22 May Iberia Express direct
28 May - 05 Jun Iberia Express direct
31 May - 05 Jun Iberia Express direct
13 May - 22 May Wizz Air Malta
19 May - 23 May Fly Play direct
16 May - 23 May Fly Play direct
07 May - 11 May Wizz Air Malta
14 May - 22 May Ryanair
21 May - 29 May Iberia Express direct
21 May - 30 May Fly Play direct
25 May - 28 May Fly Play direct
10 May - 25 May Iberia Express direct
02 May - 06 Jun Fly Play direct
30 May - 06 Jun Fly Play direct
25 May - 04 Jun Fly Play direct
28 May - 04 Jun Iberia Express
21 May - 01 Jun Iberia Express direct
30 May - 08 Jun Fly Play direct
28 May - 02 Jun Iberia Express
31 May - 08 Jun Iberia Express

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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