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

Return flights

14 Oct - 29 Oct	Spirit Airlines
23 Oct - 12 Nov	Spirit Airlines
14 Oct - 21 Oct	Spirit Airlines
18 Oct - 23 Oct	Frontier Airlines
16 Oct - 31 Oct	Spirit Airlines
26 Oct - 08 Nov	Spirit Airlines
15 Oct - 22 Oct	Spirit Airlines
22 Oct - 29 Oct	Spirit Airlines
16 Oct - 23 Oct	Spirit Airlines
31 Oct - 07 Nov	Spirit Airlines
01 Oct - 16 Oct	Spirit Airlines
27 Oct - 08 Nov	Spirit Airlines
27 Oct - 01 Nov	Frontier Airlines
08 Oct - 15 Oct	Frontier Airlines
24 Oct - 29 Oct	Spirit Airlines

Also check the deals for one-way flights from Houston to Bangkok in October.

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 October from 732€

Return flights