Cheapest return flights from Madrid to Keflavik in April from 139€

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

Return flights

22 Apr - 30 Apr Iberia Express direct
08 Apr - 16 Apr Iberia Express direct
15 Apr - 23 Apr Iberia Express direct
11 Apr - 16 Apr Iberia Express direct
18 Apr - 23 Apr Iberia Express direct
08 Apr - 12 Apr Iberia Express direct
15 Apr - 19 Apr Iberia Express direct
13 Apr - 17 Apr Fly Play direct
11 Apr - 25 Apr Iberia Express
08 Apr - 15 Apr Iberia Express
24 Apr - 01 May Fly Play direct
25 Apr - 02 May Iberia Express
22 Apr - 01 May Iberia Express direct

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

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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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