AirHint found the following cheapest return flights from Philadelphia (PHL) to Dublin (DUB) in July 2026 (see full year).

Return flights

22 Jul - 29 Jul	Aer Lingus	direct
27 Jul - 07 Aug	Delta
28 Jul - 04 Aug	Aer Lingus	direct
30 Jul - 10 Aug	Iberia	direct
31 Jul - 10 Aug	Aer Lingus	direct
16 Jul - 21 Jul	Delta
07 Jul - 17 Jul	Lufthansa
16 Jul - 21 Jul	Finnair	direct
08 Jul - 15 Jul	Aer Lingus	direct
05 Jul - 14 Jul	Aer Lingus	direct
18 Jul - 25 Jul	Aer Lingus
07 Jul - 17 Jul	Aer Lingus	direct
01 Jul - 08 Jul	Finnair	direct
03 Jul - 10 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 412€

Return flights