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

Return flights

04 Apr - 18 Apr	Vietnam Airlines	direct
03 Apr - 07 Apr	Vietnam Airlines	direct
03 Apr - 08 Apr	Vietnam Airlines	direct
01 Apr - 07 Apr	Thai AirAsia
01 Apr - 18 Apr	Thai AirAsia
04 Apr - 07 Apr	Thai AirAsia
03 Apr - 18 Apr	Thai AirAsia
12 Apr - 02 May	Thai AirAsia
12 Apr - 18 Apr	Thai AirAsia

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

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 April from $264

Return flights