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

Return flights

30 Dec - 06 Jan	Asiana Airlines
03 Dec - 14 Dec	Delta
08 Dec - 06 Jan	ANA
10 Dec - 29 Dec	Norse Atlantic Airways
10 Dec - 26 Dec	Norse Atlantic Airways
05 Dec - 12 Dec	Cathay Pacific
04 Dec - 07 Jan	Cathay Pacific
16 Dec - 22 Jan	Norse Atlantic Airways
14 Dec - 18 Dec	Korean Air
12 Dec - 11 Jan	Finnair
17 Dec - 07 Jan	Finnair
24 Dec - 06 Jan	Finnair
24 Dec - 03 Jan	Finnair
20 Dec - 01 Jan	Finnair
20 Dec - 03 Jan	Finnair

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 $1025

Return flights