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

Return flights

03 Dec - 10 Dec	Korean Air
07 Dec - 14 Dec	Air Canada
03 Dec - 14 Dec	United
13 Dec - 20 Dec	Air Canada
12 Dec - 11 Jan	Japan Airlines
29 Dec - 16 Jan	United
03 Dec - 31 Dec	Qatar Airways
26 Dec - 04 Jan	Delta
24 Dec - 01 Jan	Air Canada
15 Dec - 11 Jan	Delta
16 Dec - 06 Jan	Delta
20 Dec - 23 Dec	Delta
20 Dec - 27 Dec	Delta
23 Dec - 31 Dec	Finnair
23 Dec - 09 Jan	United
18 Dec - 05 Jan	Delta
20 Dec - 17 Jan	Air Canada
20 Dec - 05 Jan	Delta
18 Dec - 29 Dec	Qatar Airways
21 Dec - 31 Dec	Air Canada

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 $872

Return flights