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

Return flights

07 Aug - 21 Aug	Delta
25 Aug - 10 Sep	Delta
05 Aug - 25 Sep	Delta
24 Aug - 03 Sep	Delta
13 Aug - 20 Aug	Delta
10 Aug - 20 Aug	Delta
21 Aug - 25 Aug	Delta
20 Aug - 25 Aug	Delta
21 Aug - 14 Sep	Delta
25 Aug - 16 Sep	Delta
18 Aug - 01 Sep	Delta
20 Aug - 28 Sep	ANA
20 Aug - 30 Sep	ANA
19 Aug - 30 Sep	ANA
27 Aug - 05 Sep	Delta
07 Aug - 18 Aug	Frontier Airlines
15 Aug - 31 Aug	United
23 Aug - 30 Aug	Delta
15 Aug - 22 Aug	ANA
14 Aug - 18 Aug	Frontier Airlines

Also check the deals for one-way flights from Houston 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 Houston to Bangkok in August from 745€

Return flights