Cheapest return flights from Hanoi to Sydney in September from 576€

Best time to book flights for Hanoi (HAN) to Sydney (SYD) flights at AirHint

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

Return flights

28 Sep - 09 Oct Vietnam Airlines
27 Sep - 04 Oct Singapore Airlines
26 Sep - 14 Oct AirAsia
26 Sep - 16 Oct AirAsia
02 Sep - 18 Sep AirAsia
29 Sep - 14 Oct AirAsia
26 Sep - 09 Oct AirAsia
02 Sep - 13 Sep AirAsia
29 Sep - 16 Oct AirAsia
29 Sep - 18 Oct AirAsia
29 Sep - 09 Oct AirAsia
26 Sep - 03 Oct China Southern
13 Sep - 14 Sep China Southern

Also check the deals for one-way flights from Hanoi to Sydney in September.

Skyscanner

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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