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

Return flights

07 Dec - 14 Dec	ANA
29 Dec - 07 Jan	ANA
01 Dec - 03 Dec	Japan Airlines
01 Dec - 18 Jan	Malaysia Airlines
04 Dec - 09 Dec	Japan Airlines
02 Dec - 09 Dec	Japan Airlines
02 Dec - 10 Dec	Japan Airlines
03 Dec - 09 Dec	Japan Airlines
03 Dec - 07 Dec	Malaysia Airlines
04 Dec - 08 Dec	Malaysia Airlines
10 Dec - 14 Jan	Malaysia Airlines
01 Dec - 09 Dec	Japan Airlines
02 Dec - 05 Dec	Japan Airlines
08 Dec - 05 Jan	ANA
20 Dec - 05 Jan	ANA
03 Dec - 08 Jan	Japan Airlines
30 Dec - 19 Jan	Japan Airlines
20 Dec - 06 Jan	ANA
22 Dec - 06 Jan	ANA
21 Dec - 06 Jan	ANA

Also check the deals for one-way flights from Osaka 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 Osaka to Bangkok in December from 473€

Return flights