AirHint found the following cheapest return flights from Hong Kong (HKG) to Hanoi (HAN) in August 2026 (see full year).

Return flights

01 Aug - 10 Aug	HK Express	direct
02 Aug - 05 Aug	HK Express	direct
04 Aug - 28 Aug	Philippine Airlines
03 Aug - 27 Aug	Philippine Airlines
06 Aug - 27 Aug	Thai AirAsia
04 Aug - 28 Aug	Cathay Pacific	direct
03 Aug - 27 Aug	Cathay Pacific	direct
06 Aug - 10 Aug	Thai AirAsia
01 Aug - 05 Aug	Thai AirAsia
04 Aug - 05 Aug	Thai AirAsia

Also check the deals for one-way flights from Hong Kong to Hanoi in August.

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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Cheapest return flights from Hong Kong to Hanoi in August from $211

Return flights