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

Return flights

20 Aug - 27 Aug	Delta
18 Aug - 27 Aug	Delta
25 Aug - 08 Sep	Delta
17 Aug - 27 Aug	Delta
19 Aug - 26 Aug	Korean Air
14 Aug - 26 Aug	Korean Air
18 Aug - 25 Aug	Korean Air
18 Aug - 26 Aug	Korean Air
26 Aug - 02 Sep	Korean Air
14 Aug - 25 Aug	United
27 Aug - 31 Aug	United
13 Aug - 31 Aug	United
16 Aug - 20 Sep	Korean Air
30 Aug - 12 Sep	United
25 Aug - 09 Sep	Qantas
29 Aug - 05 Sep	Qantas

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

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 August from 657€

Return flights