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

Return flights

06 Jun - 14 Jun	Ryanair
09 Jun - 14 Jun	Ryanair
02 Jun - 07 Jun	Ryanair
03 Jun - 10 Jun	Ryanair
27 Jun - 30 Jun	Aer Lingus
03 Jun - 11 Jun	Ryanair
11 Jun - 14 Jun	KLM
12 Jun - 24 Jun	Ryanair
17 Jun - 24 Jun	Ryanair
30 Jun - 05 Jul	Ryanair
27 Jun - 02 Jul	Ryanair
26 Jun - 03 Jul	Ryanair
17 Jun - 24 Jun	Icelandair	direct
30 Jun - 05 Jul	Icelandair	direct
29 Jun - 04 Jul	Icelandair	direct
26 Jun - 03 Jul	Icelandair	direct
30 Jun - 10 Jul	Scandinavian Airlines
27 Jun - 02 Jul	Icelandair	direct
30 Jun - 10 Jul	Icelandair	direct
28 Jun - 06 Jul	Icelandair

Also check the deals for one-way flights from Dublin 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 Dublin to Keflavik in June from 179€

Return flights