Cheapest return flights from Philadelphia to Dublin in December from $408

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
08 Dec - 05 Jan British Airways
13 Dec - 20 Dec United
12 Dec - 20 Dec Air Canada
12 Dec - 20 Dec Aer Lingus direct
13 Dec - 20 Dec Aer Lingus direct
28 Dec - 04 Jan Air Canada
28 Dec - 04 Jan Finnair direct
08 Dec - 05 Jan Finnair direct

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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