AirHint found the following cheapest return flights from San Francisco (SFO) to Athens (ATH) in January 2026 (see full year).
Return flights
| 12 Jan - 07 Feb | Scandinavian Airlines | ||
| 11 Jan - 31 Jan | SWISS | ||
| 12 Jan - 26 Jan | Scandinavian Airlines | ||
| 15 Jan - 29 Jan | United |
Also check the deals for one-way flights from San Francisco to Athens in January.
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