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

Return flights

25 Sep - 30 Sep	Thai AirAsia
24 Sep - 30 Sep	Thai AirAsia
27 Sep - 30 Sep	Thai AirAsia
25 Sep - 28 Sep	Thai AirAsia
25 Sep - 06 Oct	Thai AirAsia
25 Sep - 29 Sep	Thai AirAsia
25 Sep - 04 Oct	Thai AirAsia
24 Sep - 28 Sep	Thai AirAsia
27 Sep - 28 Sep	Thai AirAsia
27 Sep - 06 Oct	Thai AirAsia
24 Sep - 06 Oct	Thai AirAsia
24 Sep - 29 Sep	Thai AirAsia
27 Sep - 04 Oct	Thai AirAsia
30 Sep - 04 Oct	Thai AirAsia
30 Sep - 06 Oct	Thai AirAsia
25 Sep - 14 Oct	Thai AirAsia
25 Sep - 12 Oct	Thai AirAsia
24 Sep - 04 Oct	Thai AirAsia
26 Sep - 30 Sep	Thai AirAsia
13 Sep - 22 Sep	VietJet Air	direct

Also check the deals for one-way flights from Hanoi 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 Hanoi to Jakarta in September from $217

Return flights