Q: What is the cheapest month to fly to Ko Samui?

Currently, August is the cheapest month in which you can book a flight to Ko Samui . Flying to Ko Samui in December will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Question 1

When is the best time to book a flight to Ko Samui?

Accepted Answer

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 2

What airport do you fly into for flights to Ko Samui?

Accepted Answer

For a flight to Ko Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 3.3 km from the centre of the city.

Question 3

What is the cheapest month to fly to Ko Samui?

Accepted Answer

Currently, August is the cheapest month in which you can book a flight to Ko Samui. Flying to Ko Samui in December will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Question 4

Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

Accepted Answer

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

Question 5

What is the best airline to fly to Ko Samui?

Accepted Answer

Based on reviews from Cheapflights users, Scoot is rated the highest out of the airlines that fly to Ko Samui.

Question 6

What is the cheapest airport to fly to in Ko Samui?

Accepted Answer

Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost $106, while return flights cost around $121.

Question 7

How much is a return flight to Ko Samui?

Accepted Answer

A return flight to Ko Samui will typically cost around $247, however they can be found for as little as $79.

Question 8

Where does the fastest flight to Ko Samui depart from?

Accepted Answer

For those looking to save time traveling to Ko Samui, Perth offers the quickest one-way flight (9 hours 45 minutes).

Question 9

Does Ko Samui have car hire?

Accepted Answer

Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.

Question 10

Are there hotels close to Ko Samui?

Accepted Answer

Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

Question 11

When is the cheapest time to fly to Ko Samui?

Accepted Answer

Users looking for the lowest fares to Ko Samui should consider flying on Tuesday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday mornings, when prices are usually at their highest.

Question 12

What are the most popular airlines that fly to Ko Samui?

Accepted Answer

The most popular airlines flying from Sydney to Ko Samui are Scoot, Singapore Airlines and Bangkok Airways.

Question 13

How long is the flight to Ko Samui?

Accepted Answer

On average, a flight from Sydney to Ko Samui takes 17 hours 5 minutes. Flights to Ko Samui from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

Question 14

What are the cheapest airlines that fly to Ko Samui?

Accepted Answer

The cheapest airlines flying from Sydney to Ko Samui are Scoot, Singapore Airlines and Bangkok Airways.

Question 15

E

Accepted Answer

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Question 16

E

Accepted Answer

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

Return from	$721
One-way from	$351
Popular in	December
Cheapest in	August
Average price	$866

Flights to Ko Samui in 2025

Find the latest flights to Ko Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 8 August 2025.

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