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

Return flights

02 Dec - 16 Dec	VietJet Air
04 Dec - 16 Dec	VietJet Air
07 Dec - 09 Dec	VietJet Air
09 Dec - 16 Dec	VietJet Air
02 Dec - 09 Dec	VietJet Air
09 Dec - 15 Dec	VietJet Air
09 Dec - 17 Dec	VietJet Air
04 Dec - 15 Dec	VietJet Air
03 Dec - 07 Dec	HK Express
11 Dec - 16 Dec	Jetstar Japan
16 Dec - 22 Jan	VietJet Air
15 Dec - 29 Jan	VietJet Air
11 Dec - 14 Jan	Jetstar Japan
17 Dec - 18 Jan	Jetstar Japan
15 Dec - 07 Jan	VietJet Air
17 Dec - 17 Jan	Jetstar Japan
24 Dec - 15 Jan	Peach
18 Dec - 18 Jan	Jetstar Japan
18 Dec - 19 Jan	Jetstar Japan
14 Dec - 28 Jan	VietJet Air

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 $329

Return flights