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

Return flights

11 Dec - 18 Dec	Hainan Airlines
01 Dec - 08 Dec	VietJet Air
09 Dec - 12 Dec	VietJet Air
11 Dec - 17 Dec	Hainan Airlines
04 Dec - 07 Dec	Hainan Airlines
04 Dec - 04 Dec	Hainan Airlines
15 Dec - 20 Dec	Hainan Airlines
06 Dec - 09 Dec	Hainan Airlines
13 Dec - 16 Dec	Hainan Airlines
02 Dec - 08 Dec	VietJet Air
21 Dec - 09 Jan	Air China
20 Dec - 09 Jan	Air China
01 Dec - 15 Jan	Air China
01 Dec - 16 Jan	Air China
20 Dec - 08 Jan	Air China
17 Dec - 08 Jan	Air China
01 Dec - 27 Jan	HK Express
22 Dec - 09 Jan	Air China
01 Dec - 06 Jan	HK Express
04 Dec - 06 Jan	HK Express

Also check the deals for one-way flights from Tokyo 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 Tokyo to Bangkok in December from 221€

Return flights