AirHint found the following cheapest one-way flights from San Francisco (SFO) to Athens (ATH) in December 2025 (see full year).
One-Way flights
| 07 Dec | Lufthansa | ||
| 29 Dec | Frontier Airlines | ||
| 27 Dec | British Airways | ||
| 12 Dec | Virgin Atlantic | ||
| 14 Dec | Aer Lingus | ||
| 15 Dec | Brussels Airlines |
Also check the deals for return flights from San Francisco to Athens in December.
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