Cheapest one-way flights from Dublin to Keflavik in September from $99

AirHint found the following cheapest one-way flights from Dublin (DUB) to Keflavik (KEF) in September 2026 (see full year).

One-Way flights

09 Sep Ryanair
11 Sep Scandinavian Airlines
16 Sep Ryanair
02 Sep Ryanair
30 Sep Norwegian Air Sweden AOC
28 Sep Transavia France
25 Sep Ryanair
13 Sep Ryanair
11 Sep Icelandair direct
30 Sep Icelandair direct

Also check the deals for return flights from Dublin to Keflavik in September.

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