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

Return flights

20 Sep - 09 Oct	Turkish Airlines
03 Sep - 25 Sep	Turkish Airlines
25 Sep - 02 Oct	Turkish Airlines
23 Sep - 07 Oct	Turkish Airlines
24 Sep - 08 Oct	United
23 Sep - 08 Oct	United
21 Sep - 28 Sep	Turkish Airlines
26 Sep - 15 Oct	ANA
06 Sep - 27 Sep	United
27 Sep - 16 Oct	Singapore Airlines

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

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Cheapest return flights from Newark to Jakarta in September from $895

Return flights