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

Return flights

15 Nov - 18 Nov	Aer Lingus
11 Nov - 18 Nov	Aer Lingus
18 Nov - 26 Nov	Ryanair
25 Nov - 27 Nov	Ryanair
10 Nov - 13 Nov	Aer Lingus
10 Nov - 17 Nov	Ryanair
18 Nov - 20 Nov	Aer Lingus
19 Nov - 20 Nov	Ryanair
18 Nov - 24 Nov	Aer Lingus
11 Nov - 13 Nov	Ryanair
30 Nov - 04 Dec	Ryanair
27 Nov - 02 Dec	Ryanair
26 Nov - 03 Dec	Aer Lingus
30 Nov - 03 Dec	Ryanair
29 Nov - 03 Dec	Ryanair
29 Nov - 02 Dec	Ryanair
28 Nov - 04 Dec	Ryanair
17 Nov - 20 Dec	Aer Lingus
23 Nov - 07 Dec	Ryanair
24 Nov - 20 Dec	Ryanair

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 169€

Return flights