Cheapest one-way flights from Dublin to Keflavik in September from 74€

AirHint found the following cheapest one-way flights from Dublin (DUB) to Keflavik (KEF) in September 2025 (see full year).

One-Way flights

18 Sep Scandinavian Airlines
23 Sep Scandinavian Airlines
18 Sep Fly Play direct
17 Sep KLM
24 Sep Scandinavian Airlines
05 Sep Fly Play direct
10 Sep Fly Play direct
03 Sep Fly Play direct
21 Sep Ryanair
22 Sep Ryanair

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

Skyscanner

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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