Cheapest return flights from Philadelphia to Dublin in December from $457

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

Return flights

09 Dec - 16 Dec Aer Lingus direct
11 Dec - 16 Dec Aer Lingus direct
26 Dec - 31 Dec Aer Lingus direct
04 Dec - 11 Dec Aer Lingus direct
11 Dec - 18 Dec Aer Lingus direct
12 Dec - 19 Dec United
12 Dec - 19 Dec Aer Lingus direct
15 Dec - 22 Dec Aer Lingus direct
14 Dec - 21 Dec Iberia direct
27 Dec - 30 Dec Aer Lingus direct
26 Dec - 12 Jan Air Canada
29 Dec - 06 Jan Iberia direct
26 Dec - 12 Jan Aer Lingus direct
27 Dec - 01 Jan Aer Lingus direct
28 Dec - 04 Jan Aer Lingus direct
30 Dec - 04 Jan Aer Lingus direct
23 Dec - 01 Jan Air Canada
27 Dec - 04 Jan Aer Lingus direct
23 Dec - 01 Jan Aer Lingus direct
23 Dec - 05 Jan American Airlines

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

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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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