AirHint found the following cheapest return flights from Southampton (SOU) to Athens (ATH) in September 2026 (see full year).
Return flights
| 02 Sep - 09 Sep | easyJet | ||
| 17 Sep - 24 Sep | easyJet | ||
| 03 Sep - 04 Sep | easyJet | ||
| 03 Sep - 05 Sep | easyJet | ||
| 23 Sep - 27 Sep | Aer Lingus | ||
| 02 Sep - 04 Sep | Aer Lingus |
Also check the deals for one-way flights from Southampton to Athens in September.
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