Hanoi to Sanya Flights from HKD 87 incl. tax

Based on HopeGoo data, China Southern Airlines offers one-way fares as low as US$85 on Cheapest nonstop routes (e.g. HAN to SYX on Mon, Mar 23), while Shenzhen Airlines offers Cheapest nonstop round-trips from US$155 departing on Thu, Mar 19 and returning on Mon, Mar 23.

At the moment, several airlines serve connecting flights from Hanoi to Sanya, including: Shenzhen Airlines China Southern Airlines Selected airlines are based on historical data collected from flight bookings made by users on HopeGoo within the last 90 days.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Hanoi to Sanya is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

To find best deals on flights from Hanoi to Sanya, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Mar 23, with one-way flights priced at just US$85. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is China Southern Airlines. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Sanya travel is around January. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Hanoi to Sanya is October, when demand for travel is lower.

After crunching the numbers on our March flight calendar, it's currently cheapest to fly from Hanoi to Sanya on March 14, 2026 with China Southern Airlines, with prices starting at US$89.

You can land at any one of the following hubs in Sanya, with Noi Bai International Airport to Sanya Phoenix International Airport (HAN-SYX) is by far the most common option on this route: Sanya Phoenix International Airport (SYX).

The time difference between Sanya and Hanoi is 1h.

Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your HopeGoo, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.