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

Return flights

31 Aug - 18 Sep	Etihad Airways
29 Aug - 10 Sep	Etihad Airways
31 Aug - 20 Sep	Etihad Airways
31 Aug - 13 Sep	Etihad Airways
28 Aug - 09 Sep	Etihad Airways
30 Aug - 22 Sep	Etihad Airways
28 Aug - 12 Sep	Etihad Airways
28 Aug - 15 Sep	Etihad Airways
28 Aug - 11 Sep	Etihad Airways
26 Aug - 11 Sep	Etihad Airways
28 Aug - 31 Aug	China Southern
26 Aug - 31 Aug	SalamAir
27 Aug - 31 Aug	IndiGo
25 Aug - 31 Aug	IndiGo
24 Aug - 30 Aug	flyadeal
25 Aug - 30 Aug	IndiGo
26 Aug - 30 Aug	flyadeal
24 Aug - 29 Aug	flyadeal
31 Aug - 31 Aug	IndiGo
26 Aug - 31 Aug	Saudia	direct

Also check the deals for one-way flights from Riyadh to Bangkok 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 Bangkok in August from $349

Return flights