Cheapest return flights from Dublin to Keflavik in May from $169

Best time to book flights for Dublin (DUB) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Dublin (DUB) to Keflavik (KEF) in May 2025 (see full year).

Return flights

05 May - 09 May Fly Play direct
01 May - 04 May Fly Play direct
05 May - 12 May Fly Play direct
09 May - 12 May Fly Play direct
30 May - 01 Jun Fly Play direct
28 May - 30 May Fly Play direct
22 May - 25 May Fly Play direct
25 May - 01 Jun Fly Play direct
09 May - 13 May Fly Play
30 May - 02 Jun Icelandair direct
30 May - 09 Jun Fly Play
01 May - 06 May Fly Play
15 May - 22 May Icelandair direct
30 May - 09 Jun Icelandair direct
09 May - 13 May Icelandair direct
31 May - 03 Jun Scandinavian Airlines
31 May - 09 Jun Ryanair
31 May - 02 Jun Icelandair direct
31 May - 03 Jun Icelandair direct
31 May - 09 Jun Icelandair direct

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

Skyscanner

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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