Cheapest one-way flights from Hanoi to Sydney in September from $138

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

One-Way flights

03 Sep VietJet Air direct
17 Sep VietJet Air direct
06 Sep VietJet Air direct
08 Sep Scoot Tigerair
11 Sep Scoot Tigerair
20 Sep Scoot Tigerair
04 Sep Scoot Tigerair
05 Sep Scoot Tigerair
01 Sep Scoot Tigerair
09 Sep VietJet Air

Also check the deals for return 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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