Cheapest return flights from Dublin to Keflavik in October from $167

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

23 Oct - 26 Oct Fly Play direct
15 Oct - 22 Oct Fly Play direct
05 Oct - 11 Oct Fly Play direct
17 Oct - 20 Oct Fly Play direct
11 Oct - 18 Oct Fly Play direct
16 Oct - 18 Oct Fly Play direct
02 Oct - 05 Oct Fly Play direct
23 Oct - 27 Oct Fly Play direct
22 Oct - 27 Oct Fly Play direct
01 Oct - 11 Oct Fly Play direct
31 Oct - 03 Nov Fly Play direct
30 Oct - 01 Nov Fly Play direct
27 Oct - 01 Nov Fly Play direct
30 Oct - 02 Nov Fly Play
29 Oct - 01 Nov Ryanair
24 Oct - 02 Nov Fly Play
30 Oct - 02 Nov Fly Play direct
29 Oct - 01 Nov Icelandair direct
24 Oct - 02 Nov Fly Play 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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik