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

Return flights

25 Dec - 28 Dec	ANA
08 Dec - 15 Dec	ANA
03 Dec - 09 Dec	ANA
22 Dec - 20 Jan	ANA
03 Dec - 08 Dec	ANA
04 Dec - 08 Dec	ANA
04 Dec - 09 Dec	ANA
07 Dec - 11 Dec	Japan Airlines
23 Dec - 20 Jan	Japan Airlines
16 Dec - 22 Dec	ANA
12 Dec - 27 Jan	ANA
06 Dec - 08 Dec	Japan Airlines
12 Dec - 16 Dec	Japan Airlines
20 Dec - 06 Jan	ANA
20 Dec - 05 Jan	ANA
22 Dec - 06 Jan	ANA
23 Dec - 10 Jan	ANA
21 Dec - 05 Jan	ANA
23 Dec - 05 Jan	ANA
31 Dec - 07 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 $526

Return flights