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

Return flights

28 Aug - 07 Sep	Korean Air
25 Aug - 08 Sep	Korean Air
18 Aug - 02 Sep	Delta
11 Aug - 27 Aug	Delta
20 Aug - 27 Aug	Delta
31 Aug - 07 Sep	Korean Air
07 Aug - 07 Sep	Delta
14 Aug - 14 Sep	Delta
18 Aug - 01 Sep	Delta
28 Aug - 19 Sep	Delta
18 Aug - 30 Aug	Delta
16 Aug - 27 Aug	Delta
29 Aug - 21 Sep	Delta
14 Aug - 19 Aug	United
07 Aug - 21 Aug	United
05 Aug - 12 Aug	United
11 Aug - 18 Aug	United
06 Aug - 13 Aug	United
25 Aug - 01 Sep	United
04 Aug - 23 Aug	United

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 617€

Return flights