Cheapest return flights from Philadelphia to Dublin in September from 403€

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

Return flights

30 Sep - 08 Oct Aer Lingus direct
30 Sep - 07 Oct Aer Lingus direct
30 Sep - 06 Oct Aer Lingus direct
17 Sep - 24 Sep jetBlue
17 Sep - 25 Sep jetBlue
28 Sep - 18 Oct United
18 Sep - 24 Sep jetBlue
24 Sep - 09 Oct Frontier Airlines
24 Sep - 29 Sep Spirit Airlines
28 Sep - 18 Oct Finnair direct
26 Sep - 29 Sep Frontier Airlines
19 Sep - 30 Sep Frontier Airlines
20 Sep - 27 Sep Frontier Airlines
19 Sep - 26 Sep Frontier Airlines
25 Sep - 28 Sep Spirit Airlines
26 Sep - 12 Oct Frontier Airlines
25 Sep - 18 Oct Spirit Airlines
16 Sep - 11 Oct Spirit Airlines
26 Sep - 12 Oct Aer Lingus direct
17 Sep - 25 Sep 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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