Cheapest return flights from Philadelphia to Dublin in May from $540

AirHint found the following cheapest return flights from Philadelphia (PHL) to Dublin (DUB) in May 2026 (see full year).

Return flights

01 May - 08 May Finnair direct
07 May - 12 May Aer Lingus direct
06 May - 10 May British Airways
12 May - 18 May Finnair
01 May - 10 May jetBlue
12 May - 20 May Delta
18 May - 28 May Aer Lingus direct
06 May - 13 May Aer Lingus direct
24 May - 01 Jun Finnair
07 May - 10 May Iberia
18 May - 27 May Delta
27 May - 03 Jun Aer Lingus direct
01 May - 01 Jun Delta
23 May - 01 Jun Finnair
29 May - 04 Jun Finnair direct
24 May - 01 Jun Finnair direct
27 May - 06 Jun Aer Lingus direct
30 May - 06 Jun Aer Lingus direct
25 May - 27 Jun United
25 May - 27 Jun Finnair direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.