Cheap flights from Koh Samui to Siem Reap

Koh Samui
USM
Siem Reap
SAI

Flight deals from Koh Samui to Siem Reap

Below you can see the best deals on flights Koh Samui — Siem Reap for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 9 November, from $222.

Top 10 cheap flights from Koh Samui to Siem Reap

About the Koh Samui — Siem Reap flight

Looking for cheap flights from Koh Samui to Siem Reap? Compare fares from different airlines, check the flight schedule and travel time — and book your Koh Samui — Siem Reap ticket online at the best price.

A nonstop flight takes about 1 h 15 min, the distance between the cities is around 598 km.

Planning your trip? You may find our Siem Reap travel guide, how to get from the airport into town and Siem Reap weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $222Min. price
NovemberCheapest
AprilPeak season
NoDirect flights
598 kmDistance
1 h 15 minTravel time

Flight ticket prices by day: Koh Samui — Siem Reap

Below is a calendar of the lowest flight ticket prices for Koh Samui — Siem Reap by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $222 in November, and the most expensive are around $266 in April. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Koh Samui to Siem Reap by month. Tickets are usually cheapest in May (around $283) and priciest in December (about $432) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$416highMay$283lowSep$283low
Feb$366mediumJun$299lowOct$299low
Mar$299lowJul$399highNov$349medium
Apr$399highAug$399highDec$432high

Some values are estimated based on seasonality.

When to fly

Weather in Siem Reap: it is warmest in April (up to 35 °C on average) and coolest in December (around 30 °C). The driest month is January.

Tickets are usually cheapest in November and most expensive in April. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Siem Reap

Dry and wet days · Siem Reap

Wind speed and direction · Siem Reap

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How to get the best deal on a Koh Samui — Siem Reap ticket

  • Book ahead: fares for Koh Samui — Siem Reap are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Siem Reap is usually November — plan your trip around it if your dates are flexible.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

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Cities and airports on the Koh Samui — Siem Reap route

Flights Koh Samui — Siem Reap depart from Koh Samui Airport and arrive at Siem Reap International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Koh Samui

USM
Thailand
About the cityHow to get thereWeatherAll about the country Thailand
Arrival

Siem Reap

SAI
Cambodia
About the cityHow to get thereWeatherAll about the country Cambodia
Departure airports
Arrival airports

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Frequently asked questions about the Koh Samui — Siem Reap flight

How long is the flight from Koh Samui to Siem Reap?

A nonstop Koh Samui — Siem Reap flight takes about 1 h 15 min — the distance between the cities is around 598 km.

How far is it from Koh Samui to Siem Reap?

The distance from Koh Samui to Siem Reap is about 598 km.

Which airports do Koh Samui — Siem Reap flights use?

Flights from Koh Samui depart from Koh Samui Airport, and arrive at Siem Reap International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Koh Samui to Siem Reap?

The price of a Koh Samui — Siem Reap ticket depends on your travel date, season and demand: it is usually cheapest to fly in November, and most expensive in April. Tickets typically cost between $222 and $266. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Koh Samui — Siem Reap?

Flights Koh Samui — Siem Reap are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is November. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Koh Samui to Siem Reap?

To catch a low fare Koh Samui — Siem Reap, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually November.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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