Cheapest return flights from Philadelphia to Dublin in December from $427

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

Return flights

10 Dec - 17 Dec Aer Lingus direct
02 Dec - 09 Dec Aer Lingus direct
16 Dec - 23 Dec Aer Lingus direct
10 Dec - 15 Dec Aer Lingus direct
05 Dec - 12 Dec Aer Lingus direct
11 Dec - 18 Dec Aer Lingus direct
08 Dec - 05 Jan British Airways
29 Dec - 06 Jan Air Canada
12 Dec - 17 Jan Finnair direct
29 Dec - 06 Jan American Airlines direct
12 Dec - 21 Dec British Airways
12 Dec - 20 Dec United
12 Dec - 21 Dec American Airlines direct
26 Dec - 31 Dec Aer Lingus direct
23 Dec - 05 Jan British Airways
17 Dec - 10 Jan Finnair direct
29 Dec - 04 Jan British Airways
29 Dec - 04 Jan American Airlines direct
08 Dec - 05 Jan Aer Lingus direct
23 Dec - 04 Jan British Airways

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

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

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