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

Return flights

03 Dec - 10 Dec	Turkish Airlines
01 Dec - 09 Dec	Turkish Airlines
02 Dec - 09 Dec	Turkish Airlines
01 Dec - 31 Jan	Turkish Airlines
08 Dec - 23 Dec	ANA
06 Dec - 13 Dec	Turkish Airlines
05 Dec - 18 Dec	ANA
09 Dec - 11 Jan	Frontier Airlines
03 Dec - 04 Dec	IndiGo
05 Dec - 13 Dec	Cathay Pacific
09 Dec - 31 Dec	Frontier Airlines
10 Dec - 28 Dec	ANA
30 Dec - 19 Jan	Saudia
29 Dec - 13 Jan	Saudia
30 Dec - 17 Jan	Saudia
29 Dec - 16 Jan	Saudia
29 Dec - 17 Jan	Saudia
11 Dec - 11 Jan	LEVEL
28 Dec - 16 Jan	Air India
30 Dec - 06 Jan	Saudia

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 776€

Return flights