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

Return flights

04 Nov - 18 Nov	Ryanair
29 Nov - 04 Dec	Ryanair
18 Nov - 26 Nov	Aer Lingus
13 Nov - 20 Nov	Aer Lingus
06 Nov - 14 Nov	Ryanair
24 Nov - 26 Nov	Ryanair
14 Nov - 18 Nov	Ryanair
30 Nov - 06 Dec	Ryanair
10 Nov - 15 Nov	Ryanair
12 Nov - 18 Nov	Ryanair
20 Nov - 23 Nov	Ryanair
25 Nov - 02 Dec	Ryanair
25 Nov - 26 Nov	Ryanair
29 Nov - 06 Dec	Ryanair
27 Nov - 02 Dec	Ryanair
24 Nov - 01 Dec	Ryanair
30 Nov - 07 Dec	KLM
28 Nov - 05 Dec	Ryanair
27 Nov - 01 Dec	Ryanair
25 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 152€

Return flights