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
24 Jul - 14 Aug	Scandinavian Airlines
31 Jul - 05 Aug	Ryanair
04 Jul - 11 Jul	Ryanair
11 Jul - 25 Jul	Icelandair	direct
03 Jul - 11 Jul	Ryanair
03 Jul - 13 Jul	Icelandair	direct
17 Jul - 24 Jul	Icelandair	direct
18 Jul - 25 Jul	Icelandair	direct
18 Jul - 26 Jul	Icelandair	direct
04 Jul - 11 Jul	Icelandair	direct
03 Jul - 12 Jul	Ryanair
31 Jul - 05 Aug	Icelandair	direct
24 Jul - 14 Aug	Icelandair	direct

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 269€

Return flights