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

Return flights

01 Dec - 09 Dec	Kuwait Airways
01 Dec - 10 Dec	Turkish Airlines
07 Dec - 30 Dec	Kuwait Airways
07 Dec - 18 Dec	Turkish Airlines
07 Dec - 16 Dec	Turkish Airlines
02 Dec - 09 Dec	Asiana Airlines
03 Dec - 17 Dec	ANA
01 Dec - 13 Dec	Turkish Airlines
04 Dec - 16 Dec	Asiana Airlines
02 Dec - 15 Dec	Asiana Airlines
10 Dec - 15 Jan	Turkish Airlines
06 Dec - 25 Jan	ANA
28 Dec - 14 Jan	Kuwait Airways
28 Dec - 13 Jan	Kuwait Airways
31 Dec - 04 Jan	Kuwait Airways
10 Dec - 11 Jan	Kuwait Airways
15 Dec - 16 Jan	Kuwait Airways
28 Dec - 11 Jan	Kuwait Airways
30 Dec - 19 Jan	Asiana Airlines
14 Dec - 16 Jan	Kuwait Airways

Also check the deals for one-way flights from New York 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 New York to Bangkok in December from $661

Return flights