Cheapest one-way flights from Hong Kong to Hanoi in October from $115

Best time to book flights for Hong Kong (HKG) to Hanoi (HAN) flights at AirHint

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

One-Way flights

20 Oct Thai AirAsia
09 Oct Thai AirAsia
13 Oct Thai AirAsia

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

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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