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

Return flights

25 Jul - 02 Aug	jetBlue
26 Jul - 05 Aug	jetBlue
26 Jul - 02 Aug	jetBlue
25 Jul - 05 Aug	jetBlue
31 Jul - 06 Aug	jetBlue
31 Jul - 07 Aug	jetBlue
28 Jul - 03 Aug	jetBlue
29 Jul - 05 Aug	United
25 Jul - 03 Aug	jetBlue
18 Jul - 01 Aug	jetBlue
24 Jul - 29 Jul	United
17 Jul - 22 Jul	jetBlue
24 Jul - 31 Jul	American Airlines
24 Jul - 30 Jul	American Airlines
15 Jul - 23 Jul	jetBlue
25 Jul - 30 Jul	Iberia
19 Jul - 23 Jul	Aer Lingus	direct
20 Jul - 27 Jul	United
10 Jul - 16 Jul	Spirit Airlines
15 Jul - 23 Jul	Aer Lingus	direct

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

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 Philadelphia to Dublin in July from $527

Return flights