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

Return flights

12 Nov - 19 Nov	Aer Lingus
13 Nov - 19 Nov	Aer Lingus
10 Nov - 14 Nov	Scandinavian Airlines
13 Nov - 17 Nov	Aer Lingus
13 Nov - 20 Nov	Aer Lingus
11 Nov - 14 Nov	Scandinavian Airlines
04 Nov - 07 Nov	Scandinavian Airlines
02 Nov - 05 Nov	Aer Lingus
01 Nov - 05 Nov	Aer Lingus
03 Nov - 05 Nov	Ryanair
27 Nov - 01 Dec	Scandinavian Airlines
27 Nov - 01 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 160€

Return flights