Beijing to Koh Samui PEK, PKX → USM
Beijing Capital International Airport (PEK), Beijing Daxing International Airport (PKX) → Koh Samui Airport (USM)
The cheapest return found recently is $470 with China Southern Airlines, 2 Mar 2027 – 31 Mar 2027, found yesterday.
Return
The cheapest return fare on each of 5 departure dates is usually $507 to $628.
Cheapest return found recently
$470
2 Mar 2027 – 31 Mar 2027 · China Southern Airlines
Beijing Daxing International Airport (PKX) → Koh Samui Airport (USM)
Leaves 4:00 p.m. · Return leaves 7:50 a.m. · 29 h 35 min of travel, both ways together
out 2 stops, back 2 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$470 2 Mar 2027 – 31 Mar 2027found yesterdaySee 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 18 Oct, the cheapest return we saw each day was $432 to $625.
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 5 departure dates from 6 Feb 2027 to 20 Jul 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 29-night return fares leaving within 3 days of 2 Mar 2027 to compare.
Every date we hold
9 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Feb 2027 – 24 Feb 2027 | $654 | THAI Airways | Beijing Capital International Airport (PEK) → Koh Samui Airport (USM) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 20 Feb 2027 – 13 Mar 2027 | $600 | China Southern Airlines | Beijing Daxing International Airport (PKX) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found 3 days ago | See prices for these dates |
| 2 Mar 2027 – 31 Mar 2027 | $470 | China Southern Airlines | Beijing Daxing International Airport (PKX) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
| 8 Jul 2027 – 7 Aug 2027 | $628 | China Eastern | Beijing Daxing International Airport (PKX) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 20 Jul 2027 – 27 Jul 2027 | $507 | China Eastern | Beijing Daxing International Airport (PKX) → Koh Samui Airport (USM) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
Which month looks cheapest?
March 2027 is the cheapest month — from $470.
Airlines on the cheapest dates: China Southern Airlines, China Eastern, THAI Airways.
Premium cabin fares from Beijing 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 2 Mar 2027 – 31 Mar 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Beijing to Koh Samui?
Return
The cheapest fares were 14 to 29 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (19 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 |
|---|---|---|---|---|
| 14–29 days | $432 | $432 | Cheapest seen | 7 |
| 30–59 days | $559 | $434 | +29% | 12 |
| 90–179 days | $571 | $470 | +32% | 18 |
| 180+ days | $603 | $507 | +40% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Beijing → Surat Thani
94 km from Koh Samui
$356
$114 less than flying to Koh Samui
3 Dec – 7 Jan 2027 · PKX → URT · out 2 stops, back 2 stops
found 5 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 2 Mar 2027 – 31 Mar 2027. 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