AirHint found the following cheapest one-way flights from Riyadh (RUH) to Washington (IAD) in December 2025 (see full year).
One-Way flights
| 05 Dec | ITA Airways | ||
| 03 Dec | Pegasus Airlines | ||
| 16 Dec | Pegasus Airlines | ||
| 04 Dec | IndiGo | ||
| 15 Dec | Pegasus Airlines | ||
| 09 Dec | flyadeal | ||
| 17 Dec | IndiGo | ||
| 10 Dec | IndiGo | ||
| 02 Dec | flyadeal | ||
| 01 Dec | SalamAir |
Also check the deals for return flights from Riyadh to Washington in December.
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