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

Return flights

18 Aug - 26 Aug	Delta
12 Aug - 25 Aug	Delta
20 Aug - 29 Aug	Delta
13 Aug - 04 Sep	Korean Air
23 Aug - 30 Aug	Delta
04 Aug - 18 Aug	ANA
12 Aug - 19 Aug	Delta
11 Aug - 21 Aug	Delta
19 Aug - 24 Aug	ANA
16 Aug - 26 Aug	Korean Air
03 Aug - 19 Aug	Delta
29 Aug - 04 Sep	ANA
28 Aug - 10 Sep	Etihad Airways

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 $770

Return flights