AirHint found the following cheapest return flights from Southampton (SOU) to Dublin (DUB) in October 2026 (see full year).
Return flights
| 03 Oct - 05 Oct | Aer Lingus | direct | |
| 08 Oct - 11 Oct | KLM | ||
| 14 Oct - 17 Oct | Aer Lingus | direct | |
| 17 Oct - 19 Oct | Aer Lingus | direct | |
| 08 Oct - 11 Oct | Aer Lingus | direct |
Also check the deals for one-way flights from Southampton to Dublin in October.
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