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

Return flights

10 Sep - 17 Sep	Delta
15 Sep - 25 Sep	Delta
17 Sep - 25 Sep	Delta
16 Sep - 01 Oct	Delta
18 Sep - 01 Oct	Delta
18 Sep - 02 Oct	Delta
22 Sep - 02 Oct	Delta
15 Sep - 03 Oct	Delta
24 Sep - 05 Oct	Delta
19 Sep - 02 Oct	Delta
22 Sep - 03 Oct	Delta
28 Sep - 05 Oct	Korean Air
19 Sep - 25 Sep	Korean Air
18 Sep - 22 Sep	Delta
15 Sep - 24 Sep	Delta
10 Sep - 29 Sep	Delta
29 Sep - 06 Oct	Delta
18 Sep - 30 Sep	Delta
10 Sep - 30 Sep	Delta
21 Sep - 28 Sep	Delta

Also check the deals for one-way flights from New York to Singapore in September.

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 September from $769

Return flights