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

Return flights

12 Aug - 20 Aug	British Airways
26 Aug - 02 Sep	Icelandair
06 Aug - 13 Aug	KLM
22 Aug - 29 Aug	Icelandair
06 Aug - 11 Aug	Air Canada
05 Aug - 11 Aug	Air Canada
08 Aug - 15 Aug	Delta
06 Aug - 10 Aug	KLM
05 Aug - 10 Aug	Air France
16 Aug - 23 Aug	United
11 Aug - 18 Aug	United
29 Aug - 03 Sep	Delta
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 373€

Return flights