Cheapest return flights from Philadelphia to Dublin in September from 602€

Best time to book flights for Philadelphia (PHL) to Dublin (DUB) flights at AirHint

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

Return flights

01 Sep - 13 Sep Finnair
08 Sep - 15 Sep Finnair
17 Sep - 27 Sep Air Canada
05 Sep - 12 Sep United
26 Sep - 03 Oct United
01 Sep - 13 Sep Aer Lingus direct
08 Sep - 15 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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