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

Return flights

22 Sep - 23 Sep	Ryanair	direct
13 Sep - 15 Oct	Ryanair
30 Sep - 07 Oct	Wizz Air
22 Sep - 07 Oct	Ryanair	direct
17 Sep - 23 Sep	Ryanair
29 Sep - 15 Oct	Ryanair	direct
20 Sep - 23 Sep	Ryanair	direct
17 Sep - 23 Sep	Ryanair	direct
13 Sep - 16 Oct	Ryanair
17 Sep - 16 Oct	Ryanair
29 Sep - 16 Oct	Ryanair	direct
29 Sep - 07 Oct	Ryanair	direct
26 Sep - 15 Oct	Ryanair	direct
22 Sep - 02 Oct	Ryanair	direct
19 Sep - 23 Sep	Ryanair	direct
18 Sep - 23 Sep	Ryanair	direct
12 Sep - 16 Sep	Ryanair
13 Sep - 20 Sep	Ryanair
16 Sep - 23 Sep	Ryanair	direct
03 Sep - 06 Sep	Ryanair

Also check the deals for one-way flights from Warsaw 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 Warsaw to Dublin in September from $123

Return flights