Cheapest return flights from Keflavik to Dublin in September from 159€

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

Return flights

21 Sep - 26 Sep Fly Play direct
21 Sep - 27 Sep Fly Play direct
20 Sep - 21 Sep Fly Play direct
18 Sep - 25 Sep Fly Play direct
24 Sep - 27 Sep easyJet
19 Sep - 21 Sep Fly Play direct
21 Sep - 22 Sep Fly Play direct
25 Sep - 28 Sep Fly Play direct
22 Sep - 29 Sep Fly Play
26 Sep - 02 Oct Fly Play direct
22 Sep - 29 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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