AirHint found the following cheapest return flights from San Francisco (SFO) to Riyadh (RUH) in December 2025 (see full year).
Return flights
| 23 Dec - 12 Jan | Lufthansa | ||
| 24 Dec - 31 Dec | Lufthansa | ||
| 23 Dec - 07 Jan | KLM | ||
| 22 Dec - 04 Jan | Air India |
Also check the deals for one-way flights from San Francisco to Riyadh in December.
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