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

Return flights

25 Aug - 08 Sep	Delta
25 Aug - 09 Sep	Delta
26 Aug - 04 Sep	Delta
28 Aug - 04 Sep	Delta
27 Aug - 02 Sep	United
18 Aug - 02 Sep	United
26 Aug - 02 Sep	United
21 Aug - 28 Aug	United
20 Aug - 27 Aug	United
26 Aug - 30 Aug	United
17 Aug - 02 Sep	United
26 Aug - 07 Sep	Delta
19 Aug - 29 Aug	Delta
19 Aug - 21 Aug	United
17 Aug - 24 Aug	United
23 Aug - 30 Aug	United
19 Aug - 22 Aug	United
30 Aug - 01 Sep	United
22 Aug - 29 Aug	Delta
20 Aug - 22 Aug	United

Also check the deals for one-way flights from Newark 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 Newark to Singapore in August from 657€

Return flights