AirHint found the following cheapest return flights from St. Louis (STL) to Dublin (DUB) in April 2026 (see full year).
Return flights
| 17 Apr - 19 Apr | Delta | ||
| 15 Apr - 22 Apr | Aer Lingus | ||
| 20 Apr - 27 Apr | Aer Lingus | ||
| 30 Apr - 07 May | Aer Lingus | ||
| 25 Apr - 02 May | Aer Lingus | ||
| 05 Apr - 12 Apr | Aer Lingus | ||
| 10 Apr - 17 Apr | Aer Lingus |
Also check the deals for one-way flights from St. Louis to Dublin in April.
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