AirHint found the following cheapest return flights from Rio De Janeiro (GIG) to Dublin (DUB) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep	LATAM Airlines Group
25 Sep - 10 Oct	KLM
20 Sep - 04 Oct	GOL Linhas Aéreas
30 Sep - 30 Oct	TAP
23 Sep - 30 Sep	LATAM Airlines Group
14 Sep - 23 Sep	British Airways
08 Sep - 22 Sep	Copa
08 Sep - 20 Sep	Copa
01 Sep - 08 Sep	Avianca
06 Sep - 21 Sep	Copa
23 Sep - 23 Oct	KLM
12 Sep - 23 Sep	Air France
06 Sep - 20 Sep	Copa
12 Sep - 12 Oct	Copa
03 Sep - 04 Oct	Copa
04 Sep - 03 Oct	KLM

Also check the deals for one-way flights from Rio De Janeiro 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 Rio De Janeiro to Dublin in September from $908

Return flights