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 - 15 Dec	United
08 Dec - 11 Dec	United
05 Dec - 08 Dec	United
07 Dec - 14 Dec	United
05 Dec - 12 Dec	United
08 Dec - 25 Dec	Cathay Pacific
04 Dec - 29 Dec	ANA
11 Dec - 16 Dec	United
29 Dec - 16 Jan	Xiamen Airlines
04 Dec - 09 Jan	ANA
26 Dec - 21 Jan	Xiamen Airlines
25 Dec - 20 Jan	United
26 Dec - 20 Jan	Xiamen Airlines
25 Dec - 13 Jan	United
30 Dec - 13 Jan	Air India
28 Dec - 16 Jan	Royal Jordanian
11 Dec - 08 Jan	Finnair
26 Dec - 19 Jan	Xiamen Airlines

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 $884

Return flights