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

Return flights

04 Dec - 11 Dec	Turkish Airlines
07 Dec - 14 Dec	Turkish Airlines
30 Dec - 13 Jan	Kuwait Airways
09 Dec - 29 Dec	Cathay Pacific
16 Dec - 30 Dec	IndiGo
04 Dec - 13 Dec	Delta
22 Dec - 29 Dec	IndiGo
25 Dec - 31 Dec	Finnair
16 Dec - 18 Dec	IndiGo
26 Dec - 10 Jan	Finnair
16 Dec - 10 Jan	IndiGo
15 Dec - 22 Dec	Singapore Airlines
12 Dec - 04 Jan	Finnair
13 Dec - 01 Jan	Turkish Airlines
14 Dec - 21 Dec	Singapore Airlines
17 Dec - 07 Jan	IndiGo
26 Dec - 04 Jan	Finnair
24 Dec - 04 Jan	Finnair
22 Dec - 03 Jan	IndiGo
22 Dec - 18 Jan	Air France

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 770€

Return flights