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

Return flights

08 Sep - 15 Sep	Korean Air
02 Sep - 17 Sep	Delta
01 Sep - 30 Sep	Air India
01 Sep - 11 Sep	Delta
02 Sep - 09 Sep	Delta
01 Sep - 28 Sep	Korean Air
15 Sep - 25 Sep	Air India
02 Sep - 12 Sep	Delta
09 Sep - 16 Sep	Air India
15 Sep - 20 Sep	Air India
28 Sep - 05 Oct	Air Canada
24 Sep - 05 Oct	United
29 Sep - 03 Oct	United
26 Sep - 08 Oct	United
25 Sep - 05 Oct	United
28 Sep - 03 Oct	United
27 Sep - 20 Oct	Delta
16 Sep - 27 Oct	Lufthansa
09 Sep - 24 Oct	SWISS

Also check the deals for one-way flights from Newark 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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Newark to Singapore in September from 621€

Return flights