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

Return flights

11 Jul - 18 Jul	Icelandair	direct
15 Jul - 23 Jul	Icelandair	direct
03 Jul - 09 Jul	Icelandair	direct
04 Jul - 11 Jul	Icelandair	direct
10 Jul - 17 Jul	Icelandair	direct
13 Jul - 20 Jul	Icelandair	direct
26 Jul - 05 Aug	Icelandair
25 Jul - 31 Jul	Scandinavian Airlines

Also check the deals for one-way flights from Dublin to Keflavik in July.

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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Cheapest return flights from Dublin to Keflavik in July from 251€

Return flights