Cheapest one-way flights from Hanoi to Sydney in September from $155

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

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 Scoot Tigerair
10 Sep Scoot Tigerair
06 Sep Scoot Tigerair
18 Sep Scoot Tigerair
19 Sep Scoot Tigerair
03 Sep VietJet Air direct
27 Sep VietJet Air direct
22 Sep Scoot Tigerair
11 Sep Scoot Tigerair
02 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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney