AirHint found the following cheapest return flights from Hanoi (HAN) to Sydney (SYD) in April 2026 (see full year).
Return flights
| 29 Apr - 03 May | AirAsia | ||
| 28 Apr - 05 May | VietJet Air | ||
| 07 Apr - 22 Apr | VietJet Air | ||
| 24 Apr - 30 Apr | VietJet Air | ||
| 24 Apr - 03 May | AirAsia | ||
| 24 Apr - 07 May | VietJet Air | ||
| 17 Apr - 24 Apr | VietJet Air |
Also check the deals for one-way flights from Hanoi to Sydney in April.
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