AirHint found the following cheapest return flights from Pittsburgh (PIT) to Dublin (DUB) in August 2025 (see full year).

Return flights

20 Aug - 26 Aug	Delta
14 Aug - 19 Aug	Air Canada
25 Aug - 09 Sep	Spirit Airlines
21 Aug - 26 Aug	Delta
27 Aug - 02 Sep	Air Canada
27 Aug - 03 Sep	United
10 Aug - 18 Aug	United
21 Aug - 31 Aug	Spirit Airlines
28 Aug - 15 Sep	Allegiant Air

Also check the deals for one-way flights from Pittsburgh 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 Pittsburgh to Dublin in August from 477€

Return flights