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

Return flights

08 Dec - 30 Dec	Korean Air
01 Dec - 05 Dec	United
14 Dec - 24 Dec	Korean Air
29 Dec - 05 Jan	Xiamen Airlines
09 Dec - 01 Jan	Korean Air
12 Dec - 11 Jan	TAP
24 Dec - 03 Jan	Finnair
24 Dec - 05 Jan	Finnair
26 Dec - 31 Dec	Singapore Airlines
22 Dec - 05 Jan	Singapore Airlines
11 Dec - 03 Jan	Air Canada
20 Dec - 03 Jan	Finnair
20 Dec - 01 Jan	Singapore Airlines
18 Dec - 05 Jan	Singapore Airlines
14 Dec - 24 Dec	Singapore Airlines	direct
26 Dec - 27 Dec	Singapore 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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from New York to Singapore in December from $897

Return flights