Cheapest return flights from Philadelphia to Dublin in August from $663

Best time to book flights for Philadelphia (PHL) to Dublin (DUB) flights at AirHint

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

Return flights

26 Aug - 04 Sep jetBlue
05 Aug - 15 Aug jetBlue
26 Aug - 04 Sep Finnair direct
15 Aug - 25 Aug Air Canada
18 Aug - 25 Aug United
15 Aug - 25 Aug Finnair direct
05 Aug - 15 Aug Finnair direct
01 Aug - 16 Aug Air Canada
01 Aug - 16 Aug Finnair direct

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

Skyscanner

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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