Cheapest return flights from Dublin to Keflavik in May from $191

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

Return flights

07 May - 11 May Scandinavian Airlines
21 May - 24 May Icelandair direct
08 May - 10 May Icelandair direct
08 May - 11 May Icelandair direct
15 May - 24 May Icelandair direct
07 May - 11 May Icelandair direct
01 May - 11 May Scandinavian Airlines
30 May - 06 Jun Icelandair direct
01 May - 11 May Icelandair direct
14 May - 19 May Icelandair direct
28 May - 09 Jun Icelandair direct
28 May - 08 Jun Icelandair direct
01 May - 04 May Icelandair direct

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

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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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