Cheapest one-way flights from Hanoi to Sydney in December from $173

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 December 2025 (see full year).

One-Way flights

16 Dec AirAsia
09 Dec AirAsia
02 Dec AirAsia
17 Dec VietJet Air
15 Dec VietJet Air
01 Dec VietJet Air
20 Dec VietJet Air
05 Dec VietJet Air
19 Dec VietJet Air
30 Dec VietJet Air

Also check the deals for return flights from Hanoi to Sydney in December.

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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