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

One-Way flights

19 Aug	Citilink	direct
15 Aug	Indonesia AirAsia	direct
25 Aug	Indonesia AirAsia	direct
30 Aug	Indonesia AirAsia	direct
13 Aug	Indonesia AirAsia	direct
04 Aug	Indonesia AirAsia	direct
12 Aug	Indonesia AirAsia	direct
05 Aug	Indonesia AirAsia	direct
06 Aug	Citilink	direct
24 Aug	Indonesia AirAsia	direct

Also check the deals for return flights from Singapore to Jakarta 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 Singapore to Jakarta in August from $61

One-Way flights