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

Return flights

02 Dec - 17 Dec	Turkish Airlines
02 Dec - 09 Dec	Turkish Airlines
06 Dec - 25 Jan	TAP
01 Dec - 15 Dec	Asiana Airlines
01 Dec - 12 Dec	Asiana Airlines
01 Dec - 05 Dec	Asiana Airlines
01 Dec - 22 Dec	Qatar Airways
01 Dec - 13 Dec	Asiana Airlines
06 Dec - 23 Dec	TAP
31 Dec - 21 Jan	Kuwait Airways
07 Dec - 14 Dec	Delta
03 Dec - 26 Dec	Qatar Airways
30 Dec - 27 Jan	Delta
31 Dec - 20 Jan	Kuwait Airways
03 Dec - 17 Jan	ITA Airways
31 Dec - 14 Jan	Kuwait Airways
10 Dec - 20 Jan	TAP
31 Dec - 19 Jan	Etihad Airways
30 Dec - 15 Jan	Qatar Airways
29 Dec - 14 Jan	Korean Air

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 $701

Return flights