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

Return flights

02 Aug - 05 Aug	Thai Lion Air
01 Aug - 31 Aug	Thai Lion Air
03 Aug - 06 Aug	Thai Lion Air
01 Aug - 09 Aug	Thai VietJet Air
03 Aug - 09 Aug	China Southern
19 Aug - 23 Aug	Air India
11 Aug - 15 Aug	Air India
12 Aug - 16 Aug	Air India
09 Aug - 24 Aug	Air India
11 Aug - 18 Aug	Air India

Also check the deals for one-way flights from Bangkok to Riyadh 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 Bangkok to Riyadh in August from 376€

Return flights