Cheapest return flights from Dublin to Keflavik in September from 151€

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

Return flights

27 Sep - 04 Oct Fly Play direct
27 Sep - 05 Oct Fly Play direct
26 Sep - 02 Oct Fly Play direct
19 Sep - 21 Sep Fly Play direct
28 Sep - 06 Oct Fly Play direct
28 Sep - 04 Oct Fly Play direct
27 Sep - 29 Sep Fly Play direct
27 Sep - 28 Sep Fly Play direct
19 Sep - 29 Sep Fly Play direct
27 Sep - 02 Oct Fly Play direct
20 Sep - 21 Sep Fly Play direct
25 Sep - 28 Sep Fly Play direct
18 Sep - 21 Sep Fly Play direct
25 Sep - 29 Sep Fly Play direct
28 Sep - 29 Sep Fly Play direct
22 Sep - 06 Oct Fly Play direct
20 Sep - 22 Sep Fly Play direct
28 Sep - 02 Oct Fly Play direct
30 Sep - 07 Oct Ryanair
29 Sep - 06 Oct Ryanair

Also check the deals for one-way 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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