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

Return flights

04 Jun - 17 Jun	easyJet
04 Jun - 09 Jun	Ryanair
01 Jun - 08 Jun	easyJet
06 Jun - 14 Jun	Transavia France
09 Jun - 13 Jun	easyJet
15 Jun - 20 Jun	Scandinavian Airlines
02 Jun - 09 Jun	SKY express
23 Jun - 29 Jun	Scandinavian Airlines
12 Jun - 18 Jun	Wizz Air
26 Jun - 03 Jul	easyJet
19 Jun - 26 Jun	Scandinavian Airlines
26 Jun - 02 Jul	Scandinavian Airlines
27 Jun - 04 Jul	Scandinavian Airlines
28 Jun - 07 Jul	Scandinavian Airlines
27 Jun - 08 Jul	Vueling Airlines

Also check the deals for one-way flights from Athens 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 Athens to Keflavik in June from 256€

Return flights