Cheap flights from Sanya to Koh Samui from $636 SYX → USM
Sanya Phoenix International Airport (SYX) → Koh Samui Airport (USM)
The cheapest return found recently is $636 with China Southern Airlines, 30 Jan 2027 – 1 Feb 2027, found 2 days ago.
- Cheapest return found recently
- $636, 30 Jan 2027 to 1 Feb 2027
- Usual return price
- $678 to $898
- Cheapest month to fly
- January 2027, return fares from $636 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $678 to $898.
Cheapest return found recently
$636
30 Jan 2027 – 1 Feb 2027 · China Southern Airlines
Sanya Phoenix International Airport (SYX) → Koh Samui Airport (USM)
Leaves 8:00 a.m. · Return leaves 8:30 p.m. · 38 h 15 min of travel, both ways together
out 2 stops, back 2 stops
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$636 30 Jan 2027 – 1 Feb 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 19 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $557 to $770.
19 days is a short history, so treat this range as an early guide.
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 3 departure dates from 30 Jan 2027 to 1 Feb 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 2-night return fares leaving within 3 days of 30 Jan 2027 to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Jan 2027 – 1 Feb 2027 | $636 | China Southern Airlines | Sanya Phoenix International Airport (SYX) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
| 31 Jan 2027 – 1 Feb 2027 | $719 | China Southern Airlines | Sanya Phoenix International Airport (SYX) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
| 1 Feb 2027 – 1 Feb 2027 | $1,077 | China Southern Airlines | Sanya Phoenix International Airport (SYX) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $636.
Airlines on the cheapest dates: China Southern Airlines.
Premium cabin fares from Sanya to Koh Samui
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 30 Jan 2027 – 1 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Sanya to Koh Samui?
Return
Not enough history yet: in 19 days of return prices, 24 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 30 Jan 2027 – 1 Feb 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 Sanya to Koh Samui?
The cheapest return found recently is $636 with China Southern Airlines, 30 Jan 2027 to 1 Feb 2027, found 2 days ago. The cheapest return fare on each of 3 departure dates is usually $678 to $898.
What is the cheapest month to fly from Sanya to Koh Samui?
January 2027 is the cheapest month for a return, from $636, 30 Jan 2027 to 1 Feb 2027, found 2 days ago.
Which airlines have the cheapest flights from Sanya to Koh Samui?
Between 30 Jan 2027 and 1 Feb 2027, China Southern Airlines has the cheapest return on all 3 departure dates we hold.
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