Koh Samui to Chengdu USM → TFU
Koh Samui Airport (USM) → Chengdu Tianfu (TFU)
The cheapest return found recently is $552 with Bangkok Airways, 4 Dec – 7 Dec, found 3 days ago. The cheapest one-way found recently is $196 with Bangkok Airways, 18 Mar 2027, found 3 days ago.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$552
4 Dec – 7 Dec · Bangkok Airways
Koh Samui Airport (USM) → Chengdu Tianfu (TFU)
Leaves 7:00 p.m. · Return leaves 8:50 p.m. · 39 h 55 min of travel, both ways together
out 1 stop, back 1 stop
found 3 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$552 4 Dec – 7 Decfound 3 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 17 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $341 to $484.
At $552, the cheapest return found recently is above that range.
17 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?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 3-night return fares leaving within 3 days of 4 Dec to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 4 Dec – 7 Dec | $552 | Bangkok Airways | Koh Samui Airport (USM) → Chengdu Tianfu (TFU) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
Airlines on the cheapest dates: Bangkok Airways.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $193 to $196.
Cheapest one-way found recently
$196
18 Mar 2027 · Bangkok Airways
Koh Samui Airport (USM) → Chengdu Tianfu (TFU)
Leaves 7:00 a.m. · 11 h 30 min trip
1 stop
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$196 18 Mar 2027found 3 days agoOpen this trip
$190 23 Novfound 5 days agoOpen this trip
What have prices looked like?
Over 12 days, 25 Sept to 18 Oct, the cheapest one-way we saw each day was $190 to $253.
12 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 one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 23 Nov to 18 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?
No. We hold one-way fares on 1 other departure date within 3 days of 18 Mar 2027, and it is not cheaper.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Nov | $190 | Thai AirAsia | Koh Samui Airport (USM) → Chengdu Tianfu (TFU) | stops unknown | found 5 days ago | Open this trip |
| 15 Mar 2027 | $196 | Thai Lion Air | Koh Samui Airport (USM) → Chengdu Tianfu (TFU) | stops unknown | found 3 days ago | Open this trip |
| 18 Mar 2027 | $196 | Bangkok Airways | Koh Samui Airport (USM) → Chengdu Tianfu (TFU) | 1 stop | found 3 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $190.
Airlines on the cheapest dates: Thai AirAsia, Thai Lion Air, Bangkok Airways.
Premium cabin fares from Koh Samui to Chengdu
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 4 Dec – 7 Dec in another cabin: Premium economy · Business · First
Today's prices for 18 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Koh Samui to Chengdu?
Return
Not enough history yet: in 17 days of return prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
One-way
Not enough history yet: in 12 days of one-way prices, 25 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Surat Thani → Chengdu
94 km from Koh Samui
$369
$183 less than flying from Koh Samui
4 Dec – 7 Dec · URT → TFU · out 1 stop, back 1 stop
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 4 Dec – 7 Dec. A live search on this page shows what those dates cost now, for one adult in economy.
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