Cheapest return flights from Madrid to Keflavik in October from $195

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 October 2025 (see full year).

Return flights

25 Oct - 07 Nov Iberia Express
09 Oct - 19 Oct Wizz Air Malta
23 Oct - 26 Oct Wizz Air Malta
31 Oct - 21 Nov Fly Play direct
25 Oct - 09 Nov Iberia Express
22 Oct - 27 Oct Iberia Express
10 Oct - 17 Oct Fly Play direct
24 Oct - 03 Nov Fly Play direct
27 Oct - 05 Nov Wizz Air Malta
27 Oct - 07 Nov Wizz Air Malta
23 Oct - 27 Oct Wizz Air Malta
07 Oct - 11 Oct Iberia Express
15 Oct - 19 Oct Ryanair
17 Oct - 03 Nov Fly Play direct
27 Oct - 17 Nov Fly Play direct
08 Oct - 11 Oct Iberia Express
24 Oct - 31 Oct Fly Play direct
22 Oct - 27 Oct Fly Play direct
25 Oct - 03 Nov Iberia Express
19 Oct - 03 Nov Fly Play direct

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

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