AirHint found the following cheapest return flights from Riyadh (RUH) to Dhaka (DAC) in September 2025 (see full year).

Return flights

20 Sep - 10 Oct	SriLankan Airlines
01 Sep - 27 Oct	SriLankan Airlines
08 Sep - 07 Oct	SriLankan Airlines
01 Sep - 24 Oct	SriLankan Airlines
08 Sep - 07 Oct	Saudia	direct
20 Sep - 10 Oct	Biman Bangladesh Airlines	direct
25 Sep - 31 Oct	Air Arabia
15 Sep - 15 Sep	Oman Air
04 Sep - 04 Oct	IndiGo

Also check the deals for one-way flights from Riyadh to Dhaka in September.

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 Dhaka in September from $384

Return flights