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

Return flights

20 Jun - 29 Jun	Iberia Express	direct
06 Jun - 11 Jun	Iberia Express	direct
17 Jun - 25 Jun	Iberia Express	direct
24 Jun - 02 Jul	Iberia Express	direct
17 Jun - 24 Jun	Fly Play	direct
26 Jun - 03 Jul	Fly Play	direct
08 Jun - 15 Jun	Wizz Air Malta
17 Jun - 26 Jun	Fly Play	direct
14 Jun - 20 Jun	Iberia Express
17 Jun - 27 Jun	Iberia Express
19 Jun - 29 Jun	Ryanair
19 Jun - 29 Jun	Fly Play	direct
25 Jun - 03 Jul	Ryanair

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

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

Cheapest return flights from Madrid to Keflavik in June from 153€

Return flights