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

Return flights

25 Sep - 30 Sep	Ryanair
25 Sep - 02 Oct	Ryanair
24 Sep - 30 Sep	Ryanair
10 Sep - 25 Sep	SKY express
23 Sep - 30 Sep	Ryanair
30 Sep - 07 Oct	Ryanair
23 Sep - 25 Sep	Ryanair
09 Sep - 30 Sep	Ryanair	direct
09 Sep - 14 Oct	Ryanair	direct
09 Sep - 25 Sep	Ryanair	direct
17 Sep - 25 Sep	Ryanair
18 Sep - 25 Sep	Wizz Air UK
22 Sep - 30 Sep	Ryanair
30 Sep - 06 Oct	Ryanair
30 Sep - 03 Oct	Ryanair
17 Sep - 08 Oct	Vueling Airlines
17 Sep - 02 Oct	Vueling Airlines
17 Sep - 07 Oct	Vueling Airlines
30 Sep - 04 Oct	Ryanair
29 Sep - 06 Oct	Aegean Airlines

Also check the deals for one-way flights from Athens to Dublin in September.

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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Cheapest return flights from Athens to Dublin in September from $161

Return flights