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

Return flights

24 Nov - 27 Nov	Ryanair
13 Nov - 18 Nov	Aer Lingus
11 Nov - 13 Nov	Aer Lingus
15 Nov - 18 Nov	Ryanair
20 Nov - 27 Nov	Aer Lingus
10 Nov - 14 Nov	Aer Lingus
24 Nov - 26 Nov	Ryanair
03 Nov - 05 Nov	Ryanair
27 Nov - 03 Dec	Ryanair
20 Nov - 26 Nov	Ryanair
18 Nov - 22 Nov	Aer Lingus
28 Nov - 05 Dec	Aer Lingus
29 Nov - 06 Dec	Aer Lingus
26 Nov - 01 Dec	Icelandair	direct
28 Nov - 07 Dec	Ryanair
27 Nov - 01 Dec	Ryanair
28 Nov - 07 Dec	Icelandair	direct
27 Nov - 03 Dec	Icelandair	direct
27 Nov - 01 Dec	Icelandair	direct
29 Nov - 02 Dec	Icelandair	direct

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

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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Cheapest return flights from Dublin to Keflavik in November from 133€

Return flights