Cheapest return flights from Hong Kong to Hanoi in October from $120

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

Return flights

09 Oct - 13 Oct HK Express direct
17 Oct - 18 Oct HK Express direct
13 Oct - 17 Oct HK Express direct
15 Oct - 18 Oct HK Express direct
13 Oct - 16 Oct HK Express direct
22 Oct - 29 Oct HK Express direct
30 Oct - 31 Oct HK Express direct
23 Oct - 30 Oct HK Express direct
20 Oct - 25 Oct HK Express direct
09 Oct - 12 Oct HK Express direct
24 Oct - 02 Nov HK Express direct
29 Oct - 02 Nov HK Express direct
28 Oct - 05 Nov Hong Kong Airlines
17 Oct - 04 Nov Thai AirAsia
17 Oct - 07 Nov Thai AirAsia
17 Oct - 05 Nov Thai AirAsia
23 Oct - 13 Nov Thai AirAsia
20 Oct - 04 Nov Thai AirAsia
21 Oct - 04 Nov Thai AirAsia
20 Oct - 09 Nov Thai AirAsia

Also check the deals for one-way 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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