Cheapest return PHL–DUB flights, May

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

Return flights

06 May - 13 May jetBlue
13 May - 18 May jetBlue
26 May - 05 Jun jetBlue
06 May - 12 May Finnair direct
06 May - 13 May Finnair direct
04 May - 11 May Aer Lingus direct
12 May - 14 May jetBlue
30 May - 13 Jun Air Canada
07 May - 10 May Finnair direct
26 May - 24 Jun jetBlue
24 May - 31 May United
07 May - 12 May Aer Lingus direct
20 May - 30 May Delta
22 May - 01 Jun Frontier Airlines
04 May - 11 Jun jetBlue
26 May - 24 Jun Aer Lingus direct
27 May - 06 Jun Spirit Airlines
12 May - 08 Jun Frontier Airlines
26 May - 02 Jun Aer Lingus
29 May - 05 Jun Aer Lingus

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

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