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

Return flights

04 Dec - 11 Dec	United
04 Dec - 17 Dec	United
08 Dec - 11 Dec	United
09 Dec - 17 Dec	United
08 Dec - 15 Dec	United
07 Dec - 11 Dec	Turkish Airlines
05 Dec - 08 Dec	United
07 Dec - 14 Dec	United
05 Dec - 14 Dec	United
06 Dec - 14 Dec	United
04 Dec - 09 Jan	ANA
31 Dec - 07 Jan	United
25 Dec - 20 Jan	United
25 Dec - 13 Jan	United
26 Dec - 20 Jan	Xiamen Airlines
26 Dec - 21 Jan	Xiamen Airlines
28 Dec - 16 Jan	Royal Jordanian
25 Dec - 18 Jan	United
11 Dec - 08 Jan	United
27 Dec - 16 Jan	Air India

Also check the deals for one-way flights from New York to Singapore 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 Singapore in December from 758€

Return flights