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

Return flights

02 Dec - 09 Dec	ANA
02 Dec - 10 Dec	Delta
01 Dec - 08 Dec	Air Canada
01 Dec - 20 Dec	Air Canada
01 Dec - 07 Dec	Delta
03 Dec - 26 Dec	Air Canada
01 Dec - 12 Dec	Delta
05 Dec - 13 Dec	Air Canada
08 Dec - 25 Dec	Delta
08 Dec - 14 Dec	Delta
30 Dec - 13 Jan	ANA
28 Dec - 27 Jan	Delta
28 Dec - 07 Jan	Delta
28 Dec - 16 Jan	Delta
28 Dec - 15 Jan	Delta
03 Dec - 06 Jan	Delta
15 Dec - 16 Jan	United
26 Dec - 07 Jan	Delta
26 Dec - 16 Jan	Delta
15 Dec - 12 Jan	United

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 795€

Return flights