Cheapest return flights from Hong Kong to Hanoi in September from $119

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

Return flights

04 Sep - 08 Sep HK Express direct
19 Sep - 22 Sep HK Express direct
06 Sep - 15 Sep HK Express direct
06 Sep - 13 Sep HK Express direct
08 Sep - 14 Sep HK Express direct
01 Sep - 07 Sep HK Express direct
16 Sep - 20 Sep HK Express direct
03 Sep - 06 Sep HK Express direct
05 Sep - 07 Sep HK Express direct
17 Sep - 24 Sep HK Express direct
20 Sep - 15 Oct HK Express direct
30 Sep - 07 Oct HK Express direct
06 Sep - 10 Oct HK Express direct
28 Sep - 01 Oct HK Express direct
25 Sep - 03 Oct HK Express direct
27 Sep - 01 Oct HK Express direct
30 Sep - 02 Oct HK Express direct
27 Sep - 04 Oct HK Express direct
30 Sep - 08 Oct HK Express direct
09 Sep - 07 Oct HK Express direct

Also check the deals for one-way 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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