AirHint found the following cheapest return flights from Riyadh (RUH) to Singapore (SIN) in October 2025 (see full year).

Return flights

09 Oct - 16 Oct	IndiGo
01 Oct - 08 Oct	IndiGo
11 Oct - 23 Oct	IndiGo
03 Oct - 07 Oct	IndiGo
14 Oct - 21 Oct	Etihad Airways
07 Oct - 21 Oct	Etihad Airways
07 Oct - 11 Oct	Etihad Airways
23 Oct - 31 Oct	Etihad Airways
12 Oct - 17 Oct	Etihad Airways
29 Oct - 03 Nov	Gulf Air
13 Oct - 19 Oct	Cathay Pacific

Also check the deals for one-way flights from Riyadh to Singapore in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Riyadh to Singapore in October from $390

Return flights