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

Return flights

03 Dec - 09 Dec	ANA
03 Dec - 08 Dec	ANA
03 Dec - 07 Dec	ANA
02 Dec - 17 Dec	ANA
02 Dec - 20 Jan	ANA
02 Dec - 27 Jan	ANA
04 Dec - 08 Dec	ANA
03 Dec - 10 Dec	Frontier Airlines
03 Dec - 12 Dec	Frontier Airlines
01 Dec - 12 Dec	Etihad Airways
03 Dec - 16 Dec	Frontier Airlines
01 Dec - 16 Dec	Qatar Airways
07 Dec - 31 Jan	Delta
10 Dec - 30 Jan	Frontier Airlines
30 Dec - 31 Jan	Etihad Airways
06 Dec - 25 Jan	ITA Airways
07 Dec - 14 Jan	Frontier Airlines
02 Dec - 13 Jan	Frontier Airlines
04 Dec - 15 Jan	Frontier Airlines
31 Dec - 14 Jan	Air India

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 682€

Return flights