AirHint found the following cheapest return flights from St. Louis (STL) to Dublin (DUB) in May 2026 (see full year).
Return flights
| 05 May - 16 May | United | ||
| 22 May - 07 Jun | American Airlines | ||
| 07 May - 14 May | Aer Lingus | ||
| 27 May - 03 Jun | Aer Lingus | ||
| 17 May - 24 May | Aer Lingus |
Also check the deals for one-way flights from St. Louis to Dublin in May.
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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