AirHint found the following cheapest one-way flights from Jakarta (CGK) to Singapore (SIN) in August 2025 (see full year).

One-Way flights

27 Aug	Scoot Tigerair	direct
26 Aug	Indonesia AirAsia	direct
04 Aug	Jetstar Asia	direct
19 Aug	Jetstar Asia	direct
09 Aug	Jetstar Asia	direct
02 Aug	Jetstar Asia	direct
01 Aug	Jetstar Asia	direct
18 Aug	Jetstar Asia	direct
08 Aug	Jetstar Asia	direct
03 Aug	Jetstar Asia	direct

Also check the deals for return flights from Jakarta 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 one-way flights from Jakarta to Singapore in August from $26

One-Way flights