Cheapest return flights from Madrid to Keflavik in May from 147€

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

08 May - 11 May Wizz Air Malta
17 May - 25 May Iberia Express direct
07 May - 11 May Wizz Air Malta
08 May - 15 May Wizz Air Malta
07 May - 22 May Wizz Air Malta
13 May - 22 May Ryanair
12 May - 23 May Fly Play direct
19 May - 23 May Fly Play direct
16 May - 23 May Fly Play direct
21 May - 29 May Iberia Express direct
21 May - 01 Jun Iberia Express direct
25 May - 04 Jun Fly Play direct
30 May - 04 Jun Fly Play direct
28 May - 08 Jun Iberia Express
30 May - 16 Jun Iberia
28 May - 04 Jun Iberia Express
23 May - 04 Jun Fly Play direct
23 May - 06 Jun Fly Play direct
31 May - 08 Jun Iberia Express
28 May - 02 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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