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

Return flights

10 Jul - 23 Jul	Ryanair
01 Jul - 09 Jul	Ryanair
14 Jul - 18 Jul	Icelandair	direct
31 Jul - 02 Aug	Ryanair
09 Jul - 18 Jul	Icelandair	direct
17 Jul - 26 Jul	Ryanair
06 Jul - 10 Jul	Scandinavian Airlines
04 Jul - 11 Jul	Ryanair
21 Jul - 27 Jul	Icelandair	direct
06 Jul - 13 Jul	Icelandair	direct
24 Jul - 26 Jul	Icelandair	direct
30 Jul - 09 Aug	Icelandair	direct
31 Jul - 02 Aug	Icelandair	direct
18 Jul - 14 Aug	Ryanair

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 254€

Return flights