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

One-Way flights

13 Oct	Indonesia AirAsia	direct
22 Oct	Indonesia AirAsia	direct
25 Oct	TransNusa	direct
21 Oct	TransNusa	direct
16 Oct	TransNusa	direct
01 Oct	TransNusa	direct
08 Oct	TransNusa	direct
09 Oct	TransNusa	direct
15 Oct	TransNusa	direct
14 Oct	Indonesia AirAsia	direct

Also check the deals for return flights from Singapore to Jakarta in October.

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 October from $64

One-Way flights