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

Return flights

09 Mar - 13 Mar	HK Express
25 Mar - 09 Apr	HK Express	direct
19 Mar - 22 Mar	HK Express	direct
09 Mar - 13 Mar	HK Express	direct
28 Mar - 31 Mar	Thai AirAsia
28 Mar - 01 Apr	Thai AirAsia
01 Mar - 13 Mar	Thai AirAsia
19 Mar - 31 Mar	Thai AirAsia
19 Mar - 01 Apr	Thai AirAsia
01 Mar - 04 Mar	Thai AirAsia
28 Mar - 05 Apr	Thai AirAsia
09 Mar - 22 Mar	Thai AirAsia
28 Mar - 02 Apr	Thai AirAsia
28 Mar - 03 Apr	Thai AirAsia
19 Mar - 05 Apr	Thai AirAsia
19 Mar - 02 Apr	Thai AirAsia
19 Mar - 03 Apr	Thai AirAsia
28 Mar - 08 Apr	Thai AirAsia

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

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 March from 181€

Return flights