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

Return flights

04 Dec - 11 Dec	Delta
11 Dec - 26 Dec	United
11 Dec - 18 Dec	Delta
10 Dec - 17 Dec	Delta
17 Dec - 22 Jan	Delta
26 Dec - 02 Jan	Delta
16 Dec - 05 Jan	Delta
16 Dec - 09 Jan	Delta
17 Dec - 09 Jan	Delta
17 Dec - 31 Dec	Delta
17 Dec - 10 Jan	Delta
16 Dec - 10 Jan	Delta
14 Dec - 10 Jan	Delta
15 Dec - 10 Jan	Delta
26 Dec - 03 Jan	Delta
19 Dec - 26 Dec	Delta
05 Dec - 14 Dec	Qantas
08 Dec - 14 Dec	Qantas

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 900€

Return flights