Cheapest return flights from Hanoi to Sydney in December from $677

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 December 2025 (see full year).

Return flights

05 Dec - 12 Dec VietJet Air
23 Dec - 31 Dec Vietnam Airlines
18 Dec - 31 Dec Vietnam Airlines
16 Dec - 29 Dec Vietnam Airlines
09 Dec - 15 Dec Vietnam Airlines
11 Dec - 17 Dec Cathay Pacific
02 Dec - 08 Dec AirAsia
02 Dec - 10 Dec AirAsia
11 Dec - 21 Dec Scoot Tigerair
16 Dec - 23 Dec China Airlines
16 Dec - 05 Jan AirAsia
15 Dec - 05 Jan AirAsia
30 Dec - 17 Jan AirAsia
23 Dec - 12 Jan AirAsia
27 Dec - 16 Jan AirAsia
23 Dec - 10 Jan AirAsia
23 Dec - 05 Jan AirAsia
30 Dec - 16 Jan AirAsia
23 Dec - 06 Jan AirAsia
27 Dec - 12 Jan AirAsia

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

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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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