Cheapest return flights from Philadelphia to Dublin in September from 393€

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

Return flights

15 Sep - 18 Sep Aer Lingus direct
16 Sep - 23 Sep Aer Lingus direct
17 Sep - 26 Sep Aer Lingus direct
01 Sep - 09 Sep Aer Lingus direct
17 Sep - 24 Sep Aer Lingus direct
15 Sep - 23 Sep Aer Lingus direct
01 Sep - 10 Sep Aer Lingus direct
30 Sep - 07 Oct Aer Lingus direct
18 Sep - 25 Sep Aer Lingus direct
08 Sep - 15 Sep Aer Lingus direct
16 Sep - 22 Sep Aer Lingus direct
19 Sep - 14 Oct Aer Lingus direct
28 Sep - 05 Oct Aer Lingus direct
20 Sep - 24 Oct Air Canada
29 Sep - 06 Oct Aer Lingus direct
24 Sep - 09 Oct SWISS
24 Sep - 01 Oct Lufthansa
30 Sep - 06 Oct Aer Lingus direct
10 Sep - 04 Oct Aer Lingus direct
27 Sep - 02 Oct Aer Lingus direct

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

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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