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

Return flights

02 Dec - 18 Dec	Turkish Airlines
08 Dec - 17 Dec	Turkish Airlines
01 Dec - 18 Dec	Turkish Airlines
03 Dec - 10 Dec	Turkish Airlines
03 Dec - 17 Dec	Turkish Airlines
02 Dec - 14 Dec	Turkish Airlines
02 Dec - 27 Jan	Delta
08 Dec - 30 Dec	Turkish Airlines
11 Dec - 21 Dec	IndiGo
09 Dec - 30 Dec	Spirit Airlines
14 Dec - 30 Dec	Turkish Airlines
13 Dec - 11 Jan	Spirit Airlines
28 Dec - 09 Jan	Turkish Airlines
26 Dec - 03 Jan	Turkish Airlines
16 Dec - 02 Jan	Spirit Airlines
20 Dec - 02 Jan	Alaska Airlines
19 Dec - 02 Jan	Spirit Airlines
21 Dec - 04 Jan	British Airways
22 Dec - 03 Jan	Air Canada

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

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 December from 783€

Return flights