Cheapest one-way flights from Keflavik to Dublin in September from $108

Best time to book flights for Keflavik (KEF) to Dublin (DUB) flights at AirHint

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

One-Way flights

27 Sep Fly Play direct
22 Sep Fly Play direct
14 Sep Lufthansa

Also check the deals for return flights from Keflavik to Dublin 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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