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

One-Way flights

21 Aug	Batik Air
19 Aug	Garuda Indonesia
25 Aug	Garuda Indonesia
22 Aug	Garuda Indonesia
14 Aug	Garuda Indonesia
15 Aug	Garuda Indonesia
18 Aug	Garuda Indonesia
12 Aug	Garuda Indonesia
01 Aug	Garuda Indonesia
07 Aug	Garuda Indonesia

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest one-way flights from Jakarta to Singapore in August from 112€

One-Way flights