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

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.

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.

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

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.

What is the best airline to fly to Ko Samui?

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

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

Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost $90, while return flights cost around $182.

How much is a return flight to Ko Samui?

A return flight to Ko Samui will typically cost around $195, however they can be found for as little as $118.

Where does the fastest flight to Ko Samui depart from?

For those looking to save time traveling to Ko Samui, Perth offers the quickest one-way flight (7 hours 15 minutes).

Does Ko Samui have car hire?

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

Are there hotels close to Ko Samui?

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).

$335+ Flights to Ko Samui, Thailand

Flights to Ko Samui in 2025

Return from	$783
One-way from	$336
Popular in	December
Cheapest in	August
Average price	$1,108

27/8-6/9
3 total stops
34h 55m total
Sydney to Ko Samui

Search Deals

Scoot
26/7
1 total stop
30h 35m total
Sydney to Ko Samui

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($326 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($66 potential savings vs. average return price).

Search Deals

Average for return flights in June 2025

Search Deals

Find flight deals to Ko Samui

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 13 June 2025.

Wed 27/820:45SYD - USM

1 stop14h 05mMultiple Airlines

Sat 6/908:00USM - SYD

2 stops20h 50mMultiple Airlines

Deal found 12/6$783

Fri 29/812:50SYD - USM

1 stop22h 00mScoot

Sat 30/819:25USM - SYD

1 stop13h 10mScoot

Deal found 12/6$817

Sun 21/1210:00SYD - USM

1 stop30h 00mThai Airways

Sun 4/110:00USM - SYD

1 stop31h 50mThai Airways

Deal found 11/6$1,529

Thu 4/909:10SYD - USM

3 stops25h 10mCathay Pacific

Mon 15/910:55USM - SYD

2 stops20h 30mCathay Pacific

Deal found 12/6$1,572

Thu 7/818:05SYD - USM

1 stop27h 25mSingapore Airlines

Fri 22/817:40USM - SYD

1 stop13h 45mSingapore Airlines

Deal found 12/6$1,603

Best flights to Ko Samui
Discover carefully curated flight deals to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 June 2025.

Wed 27/820:45SYD - USM

1 stop14h 05mMultiple Airlines

Sat 6/908:00USM - SYD

2 stops20h 50mMultiple Airlines

Deal found 12/6$783

Sat 2/820:45SYD - USM

1 stop23h 00mScoot

Thu 21/819:25USM - SYD

1 stop13h 10mScoot

Deal found 12/6$895

Thu 4/909:10SYD - USM

3 stops25h 10mCathay Pacific

Mon 15/910:55USM - SYD

2 stops20h 30mCathay Pacific

Deal found 12/6$1,572

Thu 7/818:05SYD - USM

1 stop27h 25mSingapore Airlines

Fri 22/817:40USM - SYD

1 stop13h 45mSingapore Airlines

Deal found 12/6$1,603

Sat 2/814:15SYD - USM

2 stops33h 55mVietnam Airlines

Thu 21/808:20USM - SYD

2 stops20h 55mVietnam Airlines

Deal found 12/6$1,899

Thu 7/810:20SYD - USM

1 stop13h 50mBritish Airways

Thu 21/813:30USM - SYD

1 stop12h 50mBritish Airways

Deal found 12/6$2,028

Sun 3/809:50SYD - USM

1 stop13h 40mBangkok Airways

Tue 19/811:25USM - SYD

2 stops16h 00mBangkok Airways

Deal found 12/6$2,048

Last-minute flights to Ko Samui
Discover last-minute flight deals to Ko Samui. Data last updated 13 June 2025 and is based on user searches.

Wed 18/610:15SYD - USM

2 stops33h 40mMultiple Airlines

Thu 19/619:25USM - SYD

1 stop13h 10mMultiple Airlines

Deal found 11/6$1,098

Wed 18/612:50SYD - USM

1 stop22h 00mScoot

Thu 19/619:25USM - SYD

1 stop13h 10mScoot

Deal found 11/6$1,104

Mon 30/610:20SYD - USM

1 stop13h 50mQantas Airways

Tue 15/708:20USM - SYD

1 stop19h 05mQantas Airways

Deal found 12/6$2,564

Tue 1/722:10SYD - USM

2 stops25h 20mMalaysia Airlines

Wed 16/715:30USM - SYD

2 stops15h 30mMalaysia Airlines

Deal found 12/6$2,528

Wed 2/714:50SYD - USM

1 stop19h 45mThai Airways

Wed 16/717:50USM - SYD

1 stop13h 30mThai Airways

Deal found 12/6$2,631

Thu 3/714:40SYD - USM

1 stop33h 30mBritish Airways

Fri 18/716:25USM - SYD

1 stop11h 15mBritish Airways

Deal found 12/6$2,720

Fri 4/722:10SYD - USM

2 stops37h 25mChina Airlines

Thu 17/708:45USM - SYD

2 stops23h 00mChina Airlines

Deal found 12/6$2,846

Wed 9/707:00SYD - USM

2 stops38h 35mCathay Pacific

Thu 24/710:55USM - SYD

1 stop16h 15mCathay Pacific

Deal found 12/6$1,868

Sun 27/712:50SYD - USM

1 stop32h 40mMultiple Airlines

Sun 3/819:25USM - SYD

2 stops32h 55mMultiple Airlines

Deal found 12/6$795

Wed 30/710:15SYD - USM

3 stops34h 30mVietnam Airlines

Sat 9/808:45USM - SYD

3 stops20h 30mVietnam Airlines

Deal found 11/6$2,244

Cheapflights Fare Finder

Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Depart

Return

Price

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Fri 25/7

12:50-16:45

1 stop30h 55m

Ko Samui

Fri 1/8

19:25-11:35

1 stop13h 10m

$755

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Wed 27/8

20:45-07:50

1 stop14h 05m

Ko Samui

Sat 6/9

08:00-07:50

2 stops20h 50m

$783

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sun 19/10

21:45-07:50

1 stop14h 05m

$335

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Wed 15/10

10:15-11:55

2 stops29h 40m

$378

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sat 26/7

10:15-17:45

3 stops34h 30m

$1,379

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Best time to book a flight to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Ko Samui

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

Booking 25 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.

How long is the flight to Ko Samui?

On average, a flight from Sydney to Ko Samui takes 17 hours 25 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.

When is the cheapest time to fly to Ko Samui?

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.

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

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

What are the cheapest airlines that fly to Ko Samui?

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

Rainfall in Ko Samui by month

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.

Temperature in Ko Samui by month

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).

Reviews of airlines servicing Ko Samui

Singapore Airlines

8.1

Very Good

1,304 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Singapore Airlines

8.1

Very Good

1,304 reviews

Singapore Airlines

8.1

Very Good

1,304 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Bangkok Airways

8.0

Very Good

111 reviews

Singapore Airlines

8.1

Very Good

1,304 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Cathay Pacific

7.6

Good

892 reviews

Singapore Airlines

8.1

Very Good

1,304 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Vietnam Airlines

7.5

Good

194 reviews

Singapore Airlines

8.1

Very Good

1,304 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Scoot

6.7

Okay

306 reviews

Singapore Airlines

8.1

Very Good

1,304 reviews

Check prices

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

FAQs about flying to Ko Samui

What is good to know if travelling to Koh Samui?

Fisherman’s Village is packed with restaurants, shops, market stalls and bars. There is an Irish bar, naturally, called The Irish Times. The Billabong Surf Club flies the Aussie flag.
Hua Thanon is a Muslim village on the south coast. While there are some restaurants and a wonderful beach, seeing the fishermen at work and looking at their beautifully decorated boats is the best thing.
The bonus to playing a round of golf on Koh Samui are the beautiful views. The Santiburu Samui Country Club on the north coast is an 18-hole, par-72 course. The Royal Samui Golf and Country Club is located next to Chaweng Beach and will be an 18-hole course. It’s nine holes at present. There are views of Lamai, Cheweng and the surrounding islands.
Samui Shooting Sport is close to Chaweng about 200 metres from the Tesco Lotus superstore. It’s a great place to let off some steam with, perhaps, an AK-47. Elephant trekking is a gentler option. It’s a great, slow, way to go into Koh Samaui’s jungly heart.
From the pier at Bophut beach you can take a boat to Ko Pha Ngan or take a day trip to the Ang Thong National Marine Park, which consists of 42 limestone islands with soaring mountains, sheer cliffs and dense, green forest.
Hin Ta and Hin Yai – Grandfather Rock and Grandmother Rock – provide a quirky photo op. The rocks, south of Chaweng beach, are shaped, suggestively, like male and female genitalia.
The Muay Thai stadium in Chaweng town is worth a visit to experience this traditional sport.

What airport do you fly into for flights to Ko Samui?
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.
Can I find cheaper flights to Ko Samui if I am willing to have stopovers?
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.
What is the best airline to fly to Ko Samui?
Based on reviews from Cheapflights users, Scoot is rated the highest out of the airlines that fly to Ko Samui.
What is the cheapest airport to fly to in Ko Samui?
Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost $90, while return flights cost around $182.
How much is a return flight to Ko Samui?
A return flight to Ko Samui will typically cost around $195, however they can be found for as little as $118.
Where does the fastest flight to Ko Samui depart from?
For those looking to save time traveling to Ko Samui, Perth offers the quickest one-way flight (7 hours 15 minutes).
Does Ko Samui have car hire?
Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Ko Samui?
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).

See more FAQs

Ko Tao

Ko Pha Ngan

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When you search for this flight to Ko Samui, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

Millions of users choose and trust Cheapflights to book the best flight deals to Ko Samui for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to Ko Samui with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights to Ko Samui, users can toggle the no change fees filter when performing a flight search.

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$335+ Cheap flights to Ko Samui

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 13 June 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Ko Samui

Cheapest flights to Ko SamuiExplore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 13 June 2025.

Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 13 June 2025.

Cheapflights Fare Finder

Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 13 June 2025.

Use the filters below to find and compare flights to Ko Samui that are best for you.

Best time to book a flight to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight to Ko Samui

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

Use this chart to determine the optimal time to book a return flight from Sydney to Ko Samui. Price data was last updated on 9 June 2025.

How long is the flight to Ko Samui?

When is the cheapest time to fly to Ko Samui?

Use this chart to determine the cheapest time to fly return from Sydney to Ko Samui. Price data was last updated on 16 December 2024.

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

What are the cheapest airlines that fly to Ko Samui?

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

Reviews of airlines servicing Ko Samui

FAQs about flying to Ko Samui

What is good to know if travelling to Koh Samui?

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

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

What is the best airline to fly to Ko Samui?

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

How much is a return flight to Ko Samui?

Where does the fastest flight to Ko Samui depart from?

Does Ko Samui have car hire?

Are there hotels close to Ko Samui?

Travelling to a place near Ko Samui?

Browse thousands of different options on Cheapflights for your next trip

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Find the best flight deals to Ko Samui

Some of the lowest fares we’ve come across for flights to Ko Samui.

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How does Cheapflights help users find flights to Ko Samui?

Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

Can Cheapflights find flights to Ko Samui with no change fees?

Can Cheapflights notify me if prices for flights to Ko Samui become cheaper?

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Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 13 June 2025.