Cheapest return flights from Dublin to Keflavik in October from $205

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

Return flights

21 Oct - 26 Oct Ryanair
30 Oct - 13 Nov Ryanair
21 Oct - 04 Nov Ryanair
30 Oct - 15 Nov Ryanair
30 Oct - 04 Nov Ryanair
21 Oct - 23 Oct Ryanair
21 Oct - 27 Oct Ryanair
30 Oct - 08 Nov Ryanair
23 Oct - 26 Oct Ryanair
22 Oct - 28 Oct Ryanair
18 Oct - 23 Oct Ryanair
30 Oct - 03 Nov Ryanair
18 Oct - 26 Oct Ryanair
18 Oct - 29 Oct Aer Lingus
30 Oct - 02 Nov Ryanair
21 Oct - 29 Oct Ryanair
28 Oct - 04 Nov Ryanair
19 Oct - 26 Oct Ryanair
28 Oct - 03 Nov Ryanair
30 Oct - 01 Nov Ryanair

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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