AirHint found the following cheapest return flights from St. Louis (STL) to Dublin (DUB) in April 2026 (see full year).
Return flights
| 14 Apr - 21 Apr | Aer Lingus | ||
| 19 Apr - 26 Apr | Aer Lingus | ||
| 09 Apr - 16 Apr | Aer Lingus | ||
| 29 Apr - 06 May | Aer Lingus | ||
| 04 Apr - 11 Apr | Aer Lingus |
Also check the deals for one-way flights from St. Louis to Dublin in April.
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