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

Return flights

06 Jul - 21 Jul	Air Arabia
15 Jul - 21 Jul	Saudia
15 Jul - 26 Jul	Biman Bangladesh Airlines
13 Jul - 17 Jul	Saudia
13 Jul - 22 Jul	SalamAir
20 Jul - 24 Jul	SalamAir
20 Jul - 27 Jul	SalamAir
20 Jul - 28 Jul	SalamAir
13 Jul - 24 Jul	SalamAir
13 Jul - 27 Jul	SalamAir
27 Jul - 03 Aug	SalamAir
27 Jul - 16 Aug	SalamAir
29 Jul - 06 Aug	SalamAir
20 Jul - 02 Aug	SalamAir
13 Jul - 03 Aug	SalamAir
27 Jul - 02 Aug	SalamAir
19 Jul - 03 Aug	SalamAir
22 Jul - 03 Aug	SalamAir
19 Jul - 02 Aug	SalamAir
22 Jul - 04 Aug	SalamAir

Also check the deals for one-way flights from Riyadh to Bangkok in July.

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 July from $321

Return flights