Cheapest return flights from Dublin to Keflavik in October from $240

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

Return flights

15 Oct - 18 Oct Icelandair direct
07 Oct - 14 Oct Icelandair direct
17 Oct - 25 Oct Icelandair direct
28 Oct - 04 Nov Icelandair direct
30 Oct - 13 Nov Icelandair direct
22 Oct - 27 Oct Icelandair direct
28 Oct - 01 Nov Icelandair direct
21 Oct - 25 Oct Norwegian Air Sweden AOC
17 Oct - 29 Oct Lufthansa
21 Oct - 25 Oct Icelandair direct
26 Oct - 30 Oct Icelandair direct
24 Oct - 28 Oct Icelandair direct
10 Oct - 14 Oct Icelandair direct

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

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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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