Cheapest return flights from Dublin to Keflavik in October from $179

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
16 Oct - 25 Oct Scandinavian Airlines
08 Oct - 15 Oct Fly Play direct
08 Oct - 10 Oct Fly Play direct
21 Oct - 27 Oct Fly Play direct
11 Oct - 16 Oct Fly Play direct
25 Oct - 27 Oct Scandinavian Airlines
29 Oct - 04 Nov Scandinavian Airlines
11 Oct - 15 Oct Fly Play direct
04 Oct - 12 Oct Fly Play direct
28 Oct - 03 Nov Scandinavian Airlines
28 Oct - 04 Nov Scandinavian Airlines
27 Oct - 03 Nov Fly Play direct
23 Oct - 30 Oct Fly Play direct
25 Oct - 01 Nov Scandinavian Airlines
30 Oct - 05 Nov Fly Play
23 Oct - 02 Nov Scandinavian Airlines
31 Oct - 05 Nov Ryanair
28 Oct - 07 Nov Ryanair
25 Oct - 02 Nov Scandinavian Airlines

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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