Cheapest return flights from Philadelphia to Dublin in May from $525

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 May 2025 (see full year).

Return flights

01 May - 05 May jetBlue
05 May - 14 May Aer Lingus direct
03 May - 08 May jetBlue
28 May - 02 Jun British Airways
19 May - 29 May American Airlines
28 May - 02 Jun Finnair direct
09 May - 16 May Aer Lingus direct
02 May - 10 May jetBlue
21 May - 04 Jun British Airways
16 May - 25 May Aer Lingus direct
09 May - 17 May Aer Lingus direct
01 May - 05 May Finnair direct
02 May - 10 May Finnair direct
30 May - 14 Jun Finnair direct
21 May - 04 Jun Aer Lingus direct
26 May - 02 Jun United
29 May - 05 Jun United

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

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin