Cheapest return flights from Philadelphia to Dublin in September from 348€

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

Return flights

01 Sep - 09 Sep Aer Lingus direct
07 Sep - 19 Sep Aer Lingus direct
03 Sep - 10 Sep Aer Lingus direct
02 Sep - 09 Sep Aer Lingus direct
10 Sep - 17 Sep Aer Lingus direct
17 Sep - 24 Sep Aer Lingus direct
09 Sep - 16 Sep Aer Lingus direct
09 Sep - 23 Sep Aer Lingus direct
16 Sep - 23 Sep Aer Lingus direct
12 Sep - 19 Sep Aer Lingus direct
30 Sep - 07 Oct Aer Lingus direct
19 Sep - 14 Oct Aer Lingus direct
24 Sep - 09 Oct United
27 Sep - 04 Oct Aer Lingus direct
24 Sep - 01 Oct Iberia
24 Sep - 01 Oct Aer Lingus direct
30 Sep - 06 Oct Aer Lingus direct
28 Sep - 05 Oct Aer Lingus direct
26 Sep - 03 Oct Aer Lingus direct
26 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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