Cheapest return flights from Philadelphia to Dublin in September from 420€

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

Return flights

03 Sep - 24 Sep jetBlue
14 Sep - 23 Sep Air Canada
14 Sep - 23 Sep Aer Lingus direct
03 Sep - 24 Sep Aer Lingus direct
01 Sep - 16 Sep Aer Lingus direct
01 Sep - 09 Sep Aer Lingus direct
02 Sep - 09 Sep Aer Lingus direct
17 Sep - 24 Sep Aer Lingus direct
03 Sep - 10 Sep Aer Lingus direct
09 Sep - 16 Sep Aer Lingus direct
30 Sep - 07 Oct Aer Lingus direct
23 Sep - 01 Oct British Airways
24 Sep - 09 Oct Lufthansa
23 Sep - 01 Oct Aer Lingus direct
24 Sep - 10 Oct Lufthansa
19 Sep - 14 Oct Aer Lingus direct
24 Sep - 10 Oct Aer Lingus direct
24 Sep - 01 Oct Aer Lingus direct
26 Sep - 05 Oct Spirit Airlines
27 Sep - 04 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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