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	China Eastern
05 Dec - 10 Dec	China Eastern
05 Dec - 11 Dec	China Eastern
03 Dec - 07 Dec	China Eastern
04 Dec - 16 Dec	China Eastern
05 Dec - 12 Dec	China Eastern
11 Dec - 15 Dec	China Eastern
09 Dec - 16 Dec	China Eastern
03 Dec - 16 Dec	China Eastern
09 Dec - 11 Dec	China Eastern
13 Dec - 12 Jan	Air China
21 Dec - 18 Jan	Air China
14 Dec - 21 Jan	Air China
08 Dec - 14 Jan	Air China
16 Dec - 29 Jan	Air China
18 Dec - 07 Jan	Air China
17 Dec - 21 Jan	Air China
21 Dec - 07 Jan	Air China
12 Dec - 14 Jan	Air China
21 Dec - 21 Jan	Air China

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 $204

Return flights