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

Return flights

30 Dec - 13 Jan	Korean Air
31 Dec - 23 Jan	Air India
31 Dec - 21 Jan	Kuwait Airways
31 Dec - 14 Jan	Frontier Airlines
29 Dec - 20 Jan	Norse Atlantic Airways
30 Dec - 18 Jan	Air India
29 Dec - 13 Jan	Air India
26 Dec - 28 Dec	Air India
31 Dec - 12 Jan	Ethiopian Airlines
28 Dec - 19 Jan	China Airlines
29 Dec - 12 Jan	Air India
24 Dec - 27 Dec	Frontier Airlines
27 Dec - 29 Dec	Air India
29 Dec - 31 Dec	Air India
25 Dec - 29 Dec	Ethiopian Airlines
26 Dec - 29 Dec	Air India
24 Dec - 28 Dec	EVA Air
24 Dec - 30 Dec	jetBlue

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 $1169

Return flights