Cheap flights from Hanoi to Sanya from $245 HAN → SYX
Noi Bai International Airport (HAN) → Sanya Phoenix International Airport (SYX)
The cheapest return found recently is $245 with China Southern Airlines, 9 Mar 2027 – 25 Mar 2027, found today.
- Cheapest return found recently
- $245, 9 Mar 2027 to 25 Mar 2027
- Usual return price
- $244 to $246
- Cheapest month to fly
- November 2026, return fares from $244 found in the last 7 days
Return
The cheapest return fare on each of 6 departure dates is usually $244 to $246.
Cheapest return found recently
$245
9 Mar 2027 – 25 Mar 2027 · China Southern Airlines
Noi Bai International Airport (HAN) → Sanya Phoenix International Airport (SYX)
Leaves 3:45 p.m. · Return leaves 9:55 a.m. · 14 h 45 min of travel, both ways together
out 1 stop, back 1 stop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$245 9 Mar 2027 – 25 Mar 2027found todaySee prices for these dates
$244 22 Nov – 27 Novfound 5 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $206 to $279.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 6 departure dates from 16 Nov to 9 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 16-night return fares leaving within 3 days of 9 Mar 2027 to compare.
Every date we hold
6 fares on 6 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov – 28 Nov | $246 | China Southern Airlines | Noi Bai International Airport (HAN) → Sanya Phoenix International Airport (SYX) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 17 Nov – 29 Nov | $246 | China Southern Airlines | Noi Bai International Airport (HAN) → Sanya Phoenix International Airport (SYX) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 18 Nov – 26 Nov | $250 | China Southern Airlines | Noi Bai International Airport (HAN) → Sanya Phoenix International Airport (SYX) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 22 Nov – 27 Nov | $244 | Shenzhen Airlines | Noi Bai International Airport (HAN) → Sanya Phoenix International Airport (SYX) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 10 Dec – 17 Dec | $244 | Shenzhen Airlines | Noi Bai International Airport (HAN) → Sanya Phoenix International Airport (SYX) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 9 Mar 2027 – 25 Mar 2027 | $245 | China Southern Airlines | Noi Bai International Airport (HAN) → Sanya Phoenix International Airport (SYX) | out 1 stop, back 1 stop | found today | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $244.
Airlines on the cheapest dates: China Southern Airlines, Shenzhen Airlines.
Premium cabin fares from Hanoi to Sanya
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 9 Mar 2027 – 25 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Hanoi to Sanya?
Return
Fares 14 to 29 days before departure were typically 9% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $239 | $227 | +10% | 18 |
| 7–13 days | $232 | $217 | +7% | 15 |
| 14–29 days | $217 | $207 | Cheapest seen | 19 |
| 30–59 days | $224 | $206 | +3% | 38 |
| 60–89 days | $224 | $218 | +3% | 26 |
| 90–179 days | $241 | $222 | +11% | 45 |
Live price for these dates
The cheapest return found recently is for 9 Mar 2027 – 25 Mar 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Hanoi to Sanya?
The cheapest return found recently is $245 with China Southern Airlines, 9 Mar 2027 to 25 Mar 2027, found today. The cheapest return we hold, of any age, is $244 with Shenzhen Airlines, 22 Nov to 27 Nov, found 5 days ago. The cheapest return fare on each of 6 departure dates is usually $244 to $246.
What is the cheapest month to fly from Hanoi to Sanya?
November 2026 is the cheapest month for a return, from $244, 22 Nov to 27 Nov, found 5 days ago.
How far ahead should I book a flight from Hanoi to Sanya?
In 50 days of prices between 24 Sept and 12 Nov, return fares 14 to 29 days before departure were typically 9% lower than 0 to 6 days before departure.
Which airlines have the cheapest flights from Hanoi to Sanya?
Between 16 Nov and 9 Mar 2027, China Southern Airlines has the cheapest return on 4 of the 6 departure dates we hold, and Shenzhen Airlines on 2.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work