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

Return flights

01 Dec - 10 Dec	transavia
07 Dec - 19 Dec	Etihad Airways
03 Dec - 07 Dec	China Southern
04 Dec - 13 Dec	China Southern
02 Dec - 18 Dec	China Southern
06 Dec - 27 Dec	China Southern
06 Dec - 29 Dec	China Southern
07 Dec - 30 Dec	China Southern
06 Dec - 22 Dec	China Southern
04 Dec - 16 Dec	China Southern
04 Dec - 30 Jan	Etihad Airways
09 Dec - 20 Jan	Qatar Airways
03 Dec - 22 Jan	Air France
06 Dec - 31 Jan	Oman Air
30 Dec - 24 Jan	Oman Air
01 Dec - 26 Jan	Air France
01 Dec - 27 Jan	Air France
06 Dec - 13 Jan	Oman Air
16 Dec - 13 Jan	Oman Air
02 Dec - 20 Jan	Oman Air

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to Bangkok in December from $664

Return flights