Cheapest one-way flights from Hong Kong to Hanoi in September from $62

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

One-Way flights

02 Sep HK Express direct
30 Sep HK Express direct
06 Sep HK Express direct
27 Sep HK Express direct
05 Sep HK Express direct
22 Sep HK Express direct
23 Sep HK Express direct
26 Sep HK Express direct
04 Sep HK Express direct
11 Sep HK Express direct

Also check the deals for return flights from Hong Kong to Hanoi 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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