Cheapest one-way flights from Hanoi to Sanya in September from $110

AirHint found the following cheapest one-way flights from Hanoi (HAN) to Sanya (SYX) in September 2025 (see full year).

One-Way flights

11 Sep China Southern
04 Sep China Southern

Also check the deals for return flights from Hanoi to Sanya 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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