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Home / Koh Samui — Siem Reap

Cheap flights Koh Samui — Siem Reap

Koh Samui (USM, TH) Siem Reap (SAI, KH)
from $288 592 km ~1h 12m 3 flights found 1 airlines cheapest on Saturday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $288 on 30.12.2026
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
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Th
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December 2026
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January 2027
Mo
Tu
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Prices found for 1 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
30 Dec 2026, Wed
Bangkok Airways PG 407
05:20
USM Koh Samui Airport
07:55
SAI Siem Reap International Airport
2h 35m 1 stop
Trip.com
$288
View this ticket
Route characteristics
Distance
592 km
Flight time
1h 12m
Time difference
+0h
Minimum price
from $288 (30.12.2026)
Average price
$288
Maximum price
$288
Cheapest day
Saturday
Departure airports (1)
USM Koh Samui Airport
Arrival airports (1)
SAI Siem Reap International Airport
Airlines (1)
PG Bangkok Airways
Agencies (3)
Clickavia Mytrip.com Trip.com
Airlines — cheapest prices 1
Bangkok Airways
Bangkok Airways
3 flights · 3 days
$164
Where to buy tickets 3
Clickavia
1 tickets · 1 days
from $164
Mytrip.com
1 tickets · 1 days
from $213
Trip.com
1 tickets · 1 days
from $288
Airports

From — Koh Samui (1)

  • USM Koh Samui Airport

To — Siem Reap (1)

  • SAI Siem Reap International Airport
Other destinations from Koh Samui
Adler/Sochi
RU
Auckland
NZ
Almaty
KZ
Amsterdam
NL · Hub
Ankara
TR
Abu Dhabi
AE
Manama
BH
Baku
AZ
Barnaul
RU
Belgrade
RS
Berlin
DE
Buri Ram
TH
Frequently asked questions about the route Koh Samui — Siem Reap
How long is the flight from Koh Samui to Siem Reap?
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 Koh Samui to Siem Reap?
The straight-line distance — 592 km.
How much do flights from Koh Samui to Siem Reap cost?
The minimum price over 3 months — from $288 on 30.12.2026.
What is the average ticket price?
The average price — $288. Range: $288 — $288.
What is the time difference between Koh Samui and Siem Reap?
The difference — +0h.
From which airports does Koh Samui operate flights?
From Koh Samui: USM (Koh Samui Airport).
To which airports in Siem Reap do flights arrive?
To Siem Reap: SAI (Siem Reap International Airport).
Which airlines fly this route?
This route is served by 1 airline: Bangkok Airways.
Which day of the week is cheapest?
The cheapest day of the week — Saturday.
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 Koh Samui — Siem Reap

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

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

1 airline operate on this route: Bangkok Airways.

The minimum price for the next 3 months — from $288 (30.12.2026). The cheapest dates are highlighted in the calendar above.

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

Cheapest day to fly — Saturday.

Other destinations in Cambodia from Koh Samui
Phnom Penh
KH

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