AirHint found the following cheapest return flights from San Diego (SAN) to Athens (ATH) in October 2025 (see full year).
Return flights
| 28 Oct - 10 Nov | Lufthansa | ||
| 21 Oct - 15 Nov | Lufthansa | ||
| 24 Oct - 31 Oct | Frontier Airlines | ||
| 16 Oct - 25 Oct | Frontier Airlines | ||
| 16 Oct - 24 Oct | Lufthansa | ||
| 19 Oct - 26 Oct | Lufthansa |
Also check the deals for one-way flights from San Diego to Athens in October.
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