Cheapest return flights from Dublin to Keflavik in October from 171€

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 October 2025 (see full year).

Return flights

03 Oct - 08 Oct Fly Play direct
02 Oct - 09 Oct Fly Play direct
07 Oct - 10 Oct Fly Play direct
06 Oct - 12 Oct Fly Play direct
17 Oct - 21 Oct Fly Play direct
05 Oct - 11 Oct Fly Play direct
13 Oct - 19 Oct Fly Play direct
01 Oct - 05 Oct Fly Play direct
12 Oct - 18 Oct Fly Play direct
12 Oct - 17 Oct Fly Play direct
25 Oct - 01 Nov Icelandair direct
26 Oct - 01 Nov Icelandair direct

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

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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