AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Hanoi (HAN) in October 2026 (see full year).
One-Way flights
| 04 Oct | HK Express | direct | |
| 01 Oct | HK Express | direct |
Also check the deals for return flights from Hong Kong to Hanoi in October.
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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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