Cheapest return flights from Keflavik to Dublin in September from $172

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

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

Return flights

03 Sep - 12 Sep Fly Play direct
12 Sep - 22 Sep Fly Play direct

Also check the deals for one-way 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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