AirHint found the following cheapest one-way flights from Riyadh (RUH) to Singapore (SIN) in December 2025 (see full year).
One-Way flights
| 08 Dec | IndiGo | ||
| 03 Dec | IndiGo | ||
| 01 Dec | IndiGo | ||
| 05 Dec | IndiGo | ||
| 11 Dec | IndiGo | ||
| 16 Dec | IndiGo | ||
| 26 Dec | flyadeal | ||
| 25 Dec | Air India | ||
| 21 Dec | IndiGo | ||
| 13 Dec | Saudia |
Also check the deals for return flights from Riyadh to Singapore in December.
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