AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Dublin (DUB) in August 2025 (see full year).

Return flights

01 Aug - 12 Aug	Icelandair
04 Aug - 11 Aug	Icelandair
04 Aug - 19 Aug	Icelandair
12 Aug - 20 Aug	KLM
16 Aug - 29 Aug	Air Canada
11 Aug - 18 Aug	British Airways
18 Aug - 25 Aug	Air Canada
04 Aug - 08 Aug	Delta
26 Aug - 02 Sep	United
06 Aug - 13 Aug	United
12 Aug - 19 Aug	Aer Lingus
31 Aug - 06 Sep	KLM
29 Aug - 08 Sep	British Airways
28 Aug - 04 Sep	United
30 Aug - 06 Sep	United

Also check the deals for one-way flights from Raleigh-durham to Dublin in August.

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 Raleigh-durham to Dublin in August from $377

Return flights