Cheapest return flights from St. Louis to Dublin in December from 553€

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

Return flights

31 Dec - 07 Jan Delta
07 Dec - 14 Dec Aer Lingus
09 Dec - 16 Dec Aer Lingus
06 Dec - 20 Dec KLM
11 Dec - 18 Dec Aer Lingus
17 Dec - 10 Jan United
15 Dec - 22 Dec Aer Lingus
25 Dec - 01 Jan Aer Lingus
23 Dec - 30 Dec Aer Lingus
19 Dec - 26 Dec Aer Lingus
13 Dec - 20 Dec Aer Lingus
29 Dec - 05 Jan Aer Lingus
21 Dec - 28 Dec Aer Lingus
27 Dec - 03 Jan Aer Lingus

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

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