Cheapest return flights from Hanoi to Sydney in October from $481

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 October 2025 (see full year).

Return flights

28 Oct - 10 Nov AirAsia
28 Oct - 17 Nov AirAsia
30 Oct - 10 Nov AirAsia
30 Oct - 17 Nov AirAsia
03 Oct - 16 Oct VietJet Air
30 Oct - 19 Nov AirAsia
28 Oct - 11 Nov AirAsia
30 Oct - 11 Nov AirAsia
28 Oct - 12 Nov AirAsia
30 Oct - 12 Nov AirAsia
16 Oct - 29 Oct AirAsia
14 Oct - 29 Oct AirAsia
26 Oct - 10 Nov AirAsia
26 Oct - 29 Oct AirAsia
03 Oct - 13 Oct AirAsia
16 Oct - 18 Oct AirAsia
14 Oct - 18 Oct AirAsia
02 Oct - 13 Oct AirAsia
01 Oct - 13 Oct AirAsia
03 Oct - 15 Oct AirAsia

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

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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