AirHint found the following cheapest return flights from Riyadh (RUH) to Hanoi (HAN) in August 2025 (see full year).

Return flights

19 Aug - 27 Aug	China Southern
07 Aug - 20 Aug	China Southern
21 Aug - 27 Aug	China Southern
30 Aug - 06 Sep	China Southern
21 Aug - 31 Aug	China Southern
28 Aug - 31 Aug	China Southern
16 Aug - 01 Sep	China Southern
01 Aug - 06 Aug	Etihad Airways
31 Aug - 09 Sep	Etihad Airways
14 Aug - 21 Aug	China Southern
16 Aug - 28 Aug	China Southern
03 Aug - 07 Aug	Etihad Airways
02 Aug - 13 Aug	Flynas
29 Aug - 07 Sep	Etihad Airways

Also check the deals for one-way flights from Riyadh to Hanoi in August.

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 Hanoi in August from $431

Return flights