AirHint found the following cheapest return flights from Washington (IAD) to Riyadh (RUH) in December 2026 (see full year).
Return flights
| 24 Dec - 31 Dec | Air France | ||
| 16 Dec - 08 Jan | Lufthansa | ||
| 16 Dec - 09 Jan | Lufthansa | ||
| 25 Dec - 01 Jan | Lufthansa | ||
| 18 Dec - 11 Jan | Lufthansa | ||
| 18 Dec - 31 Dec | Lufthansa | ||
| 18 Dec - 11 Jan | Saudia | direct |
Also check the deals for one-way flights from Washington to Riyadh in December.
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