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Home / Siem Reap — Koh Samui

Cheap flights Siem Reap — Koh Samui

Siem Reap (SAI, KH) Koh Samui (USM, TH)
from $199 592 km ~1h 12m 4 flights found 2 airlines cheapest on Monday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $199 on 30.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
Sa
Su
January 2027
Mo
Tu
We
Th
Fr
Sa
Su
Prices found for 3 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
30 Nov 2026, Mon
Thai AirAsia FD 617
05:05
SAI Siem Reap International Airport
07:20
USM Koh Samui Airport
2h 15m 1 stop
Trip.com
$199
View this ticket
03 Dec 2026, Thu
Thai AirAsia FD 615
13:40
SAI Siem Reap International Airport
16:05
USM Koh Samui Airport
2h 25m 1 stop
Vayama
$288
View this ticket
26 Dec 2026, Sat
THAI Airways TG 589
05:50
SAI Siem Reap International Airport
08:05
USM Koh Samui Airport
2h 15m 1 stop
Kupi.com
$288
View this ticket
Route characteristics
Distance
592 km
Flight time
1h 12m
Time difference
+0h
Minimum price
from $199 (30.11.2026)
Average price
$258
Maximum price
$288
Cheapest day
Monday
Departure airports (1)
SAI Siem Reap International Airport
Arrival airports (1)
USM Koh Samui Airport
Airlines (2)
FD Thai AirAsia TG THAI Airways
Agencies (3)
Trip.com Vayama Kupi.com
Prices by day of week
Monday
$199
avg $199
Cheapest
Thursday
$288
avg $288
Saturday
$288
avg $288
Price trend by month
November 2026
from $199
avg $199
1 flights
December 2026
from $288
avg $288
2 flights
Airlines — cheapest prices 2
Thai AirAsia
Thai AirAsia
Low-cost 3 flights · 3 days
$199
THAI Airways
THAI Airways
1 flights · 1 days
$288
Where to buy tickets 3
Trip.com
1 tickets · 1 days
from $199
Vayama
2 tickets · 2 days
from $238
Kupi.com
1 tickets · 1 days
from $288
Airports

From — Siem Reap (1)

  • SAI Siem Reap International Airport

To — Koh Samui (1)

  • USM Koh Samui Airport
Other destinations from Siem Reap
Almaty
KZ
Amsterdam
NL · Hub
Ankara
TR
Belgrade
RS
Berlin
DE
Beijing
CN
Kota-Kinabalu
MY
Bangkok
TH · Hub
Bengaluru
IN
Mumbai
IN
Buenos Aires
AR
Bandar Seri Begawan
BN
Frequently asked questions about the route Siem Reap — Koh Samui
How long is the flight from Siem Reap to Koh Samui?
Approximate flight time — 1h 12m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Siem Reap to Koh Samui?
The straight-line distance — 592 km.
How much do flights from Siem Reap to Koh Samui cost?
The minimum price over 3 months — from $199 on 30.11.2026.
What is the average ticket price?
The average price — $258. Range: $199 — $288.
What is the time difference between Siem Reap and Koh Samui?
The difference — +0h.
From which airports does Siem Reap operate flights?
From Siem Reap: SAI (Siem Reap International Airport).
To which airports in Koh Samui do flights arrive?
To Koh Samui: USM (Koh Samui Airport).
Which airlines fly this route?
This route is served by 2 airlines: Thai AirAsia, THAI Airways.
Which day of the week is cheapest?
The cheapest day of the week — Monday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Siem Reap — Koh Samui

Flights Siem Reap — Koh Samui is a popular route. The straight-line distance is 592 km. Flight time 1h 12m. Time difference +0h.

From Siem Reap (SAI) flights depart from 1 airport: SAI. To Koh Samui (USM) — 1 arrival airport: USM.

2 airlines operate on this route: Thai AirAsia, THAI Airways.

The minimum price for the next 3 months — from $199 (30.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $258, ranging from $199 to $288. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Monday.

Other destinations in Thailand from Siem Reap
Bangkok
TH
Chiang Mai
TH
Phuket
TH
Krabi
TH
Trat
TH
Surat Thani
TH
Udon Thani
TH
Pattaya
TH

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