Cheap Flights from Siem Reap to Koh Samui

Cheapest flights from Siem Reap to Koh Samui

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Siem Reap to Koh Samui. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$206

Thai AirAsia

1 layover

10h 25m

03/03/2027

The cheapest one-way flight from Siem Reap to Koh Samui departs on 03/03/2027, is operated by Thai AirAsia and costs $206

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Siem Reap to Koh Samui

The fastest flight

10h 25m

Fastest flight from Siem Reap to Koh Samui takes 10h 25m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

591km

Timezone difference

0h

The distance between Siem Reap and Koh Samui is 591km (366 miles). Siem Reap and Koh Samui are in the same time zone

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Siem Reap to Koh Samui by month

In different months, ticket prices from Siem Reap to Koh Samui vary: minimum — $206 (March 2027), maximum — $272 (September 2026). Typically, the flight costs $227–$232.

March 2027

Lowest price

on average:

$206

September 2026

Highest price

on average:

$272

Avg Price

Price dynamics

Tickets from Siem Reap to Koh Samui are getting cheaper month by month. From September 2026 to March 2027, the decline reached 24% — and that may not be the limit.

Cheaper and more expensive periods

The most notable drop occurred from September 2026 to March 2027 — down 24%. The best period is November 2026–March 2027 (averaging $215), while the most expensive is September 2026–October 2026 ($249).

Best time to buy

Since prices are falling, there's no rush to buy. The most cost-effective travel period is November 2026–March 2027: savings compared to expensive months can reach up to 14%.

Price predictability

Monthly price variation is 10.4%. Choosing the right departure date can lead to significant savings on this route.

Airlines operating on route

You can fly from Siem Reap to Koh Samui with Thai AirAsia. It is the only carrier on this route, which makes the choice straightforward. Despite the lack of competition, ticket prices remain affordable: fares start from $206. Our service helps you track price changes, compare by dates, and select the most suitable flight. If you value stability and predictability, flying with Thai AirAsia is a convenient solution. We make it easy to find good deals and ensure a comfortable booking process.

Thai AirAsia

starting at $206

Non-stop flights from Siem Reap to Koh Samui

A non-stop flight is the most convenient and comfortable way to fly from Siem Reap to Koh Samui, despite the fact that sometimes flights with transfers can cost significantly less.

There appear to be no non-stop flights from Siem Reap to Koh Samui at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from Siem Reap to Koh Samui

There are most likely no direct flights on the Siem Reap — Koh Samui route

Siem Reap airports overview

Siem Reap International Airport

•

SAI

Serves Siem Reap and the Angkor temple complex, handling domestic and regional international flights with convenient access to tourist facilities and transfers.

•

Koh Samui airports overview

Koh Samui Airport

•

USM

Serving Koh Samui island in the Gulf of Thailand, it offers domestic and regional connections for resort travelers, with frequent charters and short-runway operations suited to turboprops and short-haul jets.

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Siem Reap to Koh Samui?

The cheapest flight ticket from Siem Reap to Koh Samui according to data for the last 48 hours costs $206

When is the best time to buy air tickets on the route Siem Reap — Koh Samui?

Often the best time to buy tickets from Siem Reap to Koh Samui is 2 months before departure.

When is the cheapest time of year to fly from Siem Reap to Koh Samui?

Based on statistics over the past years, the lowest prices for flights from Siem Reap to Koh Samui can be found flying in these months: March, November, October.

How long does it take to fly from Siem Reap to Koh Samui?

The fastest flights from Siem Reap to Koh Samui start from 10 hours 25 minutes in the air.

Which airline can fly direct from Siem Reap to Koh Samui?

The following airlines operate direct flights on the route Siem Reap — Koh Samui:

Special offers and sales on air tickets from Siem Reap to Koh Samui

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Siem Reap to Koh Samui

Alternative routes

Bangkok ➜ Koh Samui•Khon Kaen ➜ Koh Samui•Phnom Penh ➜ Koh Samui•Pleiku ➜ Koh Samui•Ho Chi Minh City ➜ Koh Samui•Udon Thani ➜ Koh Samui•Can Tho ➜ Koh Samui•Rach Gia ➜ Koh Samui•Savannakhet ➜ Koh Samui•Siem Reap ➜ Alor Setar•Siem Reap ➜ Bangkok•Siem Reap ➜ Hat Yai•Siem Reap ➜ Ipoh•Siem Reap ➜ Kota Bharu•Siem Reap ➜ Myeik•Siem Reap ➜ Nakhon Si Thammarat•Siem Reap ➜ Surat Thani•Siem Reap ➜ Rach Gia

•••••••••••••••••••

Cheapest one way flight

$206

Thai AirAsia

1 layover

10h 25m

03/03/2027

The cheapest one-way flight from Siem Reap to Koh Samui departs on 03/03/2027, is operated by Thai AirAsia and costs $206

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Siem Reap to Koh Samui

The fastest flight

10h 25m

Fastest flight from Siem Reap to Koh Samui takes 10h 25m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

591km

Timezone difference

0h

The distance between Siem Reap and Koh Samui is 591km (366 miles). Siem Reap and Koh Samui are in the same time zone

What is the cheapest price for flights from Siem Reap to Koh Samui?

The cheapest flight ticket from Siem Reap to Koh Samui according to data for the last 48 hours costs $206

When is the best time to buy air tickets on the route Siem Reap — Koh Samui?

Often the best time to buy tickets from Siem Reap to Koh Samui is 2 months before departure.

When is the cheapest time of year to fly from Siem Reap to Koh Samui?

Based on statistics over the past years, the lowest prices for flights from Siem Reap to Koh Samui can be found flying in these months: March, November, October.

How long does it take to fly from Siem Reap to Koh Samui?

The fastest flights from Siem Reap to Koh Samui start from 10 hours 25 minutes in the air.

Which airline can fly direct from Siem Reap to Koh Samui?

The following airlines operate direct flights on the route Siem Reap — Koh Samui:

Price dynamics

Tickets from Siem Reap to Koh Samui are getting cheaper month by month. From September 2026 to March 2027, the decline reached 24% — and that may not be the limit.

Cheaper and more expensive periods

Best time to buy

Since prices are falling, there's no rush to buy. The most cost-effective travel period is November 2026–March 2027: savings compared to expensive months can reach up to 14%.

Price predictability

Monthly price variation is 10.4%. Choosing the right departure date can lead to significant savings on this route.

Cheap Flights from Siem Reap to Koh Samui — $206

Compare airlines, prices, and flight durations for your trip

Cheapest flights from Siem Reap to Koh Samui

Cheapest one way flight

$206

Thai AirAsia

1 layover

10h 25m

03/03/2027

Cheapest round trip flight

—

—

—

—

—

The fastest flight

10h 25m

Direct flights

No direct flights

Distance

591km

Timezone difference

0h

Airfare from Siem Reap to Koh Samui by month

March 2027

on average:

$206

September 2026

on average:

$272

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability

Airlines operating on route

Non-stop flights from Siem Reap to Koh Samui

Schedule of direct flights from Siem Reap to Koh Samui

Siem Reap airports overview

Siem Reap International Airport

Koh Samui airports overview

Koh Samui Airport

Frequently asked questions (FAQ)

Special offers and sales on air tickets from Siem Reap to Koh Samui

Alternative routes

Cheapest one way flight

$206

Thai AirAsia

1 layover

10h 25m

03/03/2027

Cheapest round trip flight

—

—

—

—

—

The fastest flight

10h 25m

Direct flights

No direct flights

Distance

591km

Timezone difference

0h

Siem Reap International Airport

Koh Samui Airport

March 2027

on average:

$206

September 2026

on average:

$272

Price dynamics

Cheaper and more expensive periods

Best time to buy

Price predictability