AirHint found the following cheapest return flights from New York (JFK) to Bangkok (BKK) in December 2026 (see full year).

Return flights

02 Dec - 13 Dec	Asiana Airlines
04 Dec - 07 Dec	Asiana Airlines
02 Dec - 15 Dec	ANA
01 Dec - 15 Dec	ANA
04 Dec - 15 Dec	Asiana Airlines
05 Dec - 24 Dec	Asiana Airlines
27 Dec - 24 Jan	Cathay Pacific
06 Dec - 17 Dec	ANA
25 Dec - 25 Jan	ANA
25 Dec - 26 Jan	ANA
09 Dec - 17 Dec	ANA
26 Dec - 31 Jan	Asiana Airlines
25 Dec - 31 Jan	Asiana Airlines
06 Dec - 08 Jan	Asiana Airlines
02 Dec - 04 Jan	Asiana Airlines
30 Dec - 30 Jan	ANA
25 Dec - 01 Jan	Kuwait Airways
10 Dec - 17 Dec	jetBlue
23 Dec - 31 Jan	Kuwait Airways
14 Dec - 19 Dec	Cathay Pacific

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 $702

Return flights