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

Return flights

26 Sep - 03 Oct	Air India
14 Sep - 16 Oct	Air India
07 Sep - 03 Oct	Air India
11 Sep - 08 Oct	Air India
25 Sep - 10 Oct	Air India
04 Sep - 30 Oct	Air India
15 Sep - 30 Oct	Air India
20 Sep - 18 Oct	Air India
02 Sep - 30 Oct	Air India
16 Sep - 30 Oct	Air India
23 Sep - 30 Sep	Saudia
09 Sep - 16 Sep	Saudia
01 Sep - 27 Sep	flyadeal
12 Sep - 19 Sep	Air India
04 Sep - 30 Sep	Air India
03 Sep - 30 Sep	Air India
02 Sep - 23 Sep	Air India
21 Sep - 29 Sep	Air India
09 Sep - 29 Sep	Air India
08 Sep - 28 Sep	Air India

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 $324

Return flights