Cheapest return flights from Hong Kong to Hanoi in September from 268€

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

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

Return flights

08 Sep - 12 Sep Vietnam Airlines direct
07 Sep - 24 Sep Thai AirAsia
07 Sep - 12 Sep Thai AirAsia
08 Sep - 24 Sep Thai AirAsia

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi