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 $95, while return flights cost around $237.

How much is a return flight to Ko Samui?

A return flight to Ko Samui will typically cost around $248, however they can be found for as little as $156.

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 (10 hours 30 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).

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 Thai Airways.

How long is the flight to Ko Samui?

On average, a flight from Sydney to Ko Samui takes 14 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.

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.

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.

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).

$351+ Flights to Ko Samui, Thailand

Flights to Ko Samui in 2025

Return from	$714
One-way from	$362
Popular in	December
Cheapest in	August
Average price	$1,020

Scoot
18/10-30/10
2 total stops
44h 20m total
Sydney to Ko Samui

Search Deals

Scoot
19/10
1 total stop
25h 05m total
Sydney to Ko Samui

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($323 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($64 potential savings vs. average return price).

Search Deals

Average for return flights in September 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 9 September 2025.

Sat 18/1021:25SYD - USM

1 stop14h 25mScoot

Thu 30/1008:55USM - SYD

1 stop29h 55mScoot

Deal found 7/9$714

Tue 14/1021:25SYD - USM

1 stop25h 05mScoot

Thu 23/1008:45USM - SYD

1 stop23h 50mScoot

Deal found 7/9$717

Sun 2/1120:05SYD - USM

1 stop26h 45mScoot

Fri 7/1117:40USM - SYD

1 stop21h 10mScoot

Deal found 7/9$722

Sun 19/1021:25SYD - USM

1 stop14h 25mScoot

Fri 7/1108:55USM - SYD

1 stop29h 55mScoot

Deal found 8/9$751

Sat 18/1021:25SYD - USM

1 stop14h 25mScoot

Sat 8/1108:55USM - SYD

1 stop29h 55mScoot

Deal found 8/9$752

Mon 13/1013:50SYD - USM

1 stop30h 55mScoot

Thu 23/1008:45USM - SYD

1 stop31h 25mScoot

Deal found 7/9$755

Tue 7/1022:15SYD - USM

2 stops26h 10mMultiple Airlines

Fri 31/1012:30USM - SYD

2 stops16h 45mMultiple Airlines

Deal found 8/9$773

Sun 19/1021:25SYD - USM

1 stop14h 25mScoot

Sun 9/1108:55USM - SYD

1 stop24h 10mScoot

Deal found 8/9$786

Thu 23/1013:50SYD - USM

1 stop22h 00mMultiple Airlines

Thu 30/1011:10USM - SYD

2 stops16h 55mMultiple Airlines

Deal found 8/9$790

Sat 18/1021:25SYD - USM

1 stop14h 25mScoot

Fri 7/1108:55USM - SYD

1 stop29h 55mScoot

Deal found 8/9$792

Tue 21/1013:50SYD - USM

1 stop22h 00mMultiple Airlines

Wed 29/1007:00USM - SYD

2 stops31h 50mMultiple Airlines

Deal found 7/9$798

Fri 17/1021:25SYD - USM

1 stop25h 05mScoot

Wed 29/1008:55USM - SYD

1 stop29h 55mScoot

Deal found 6/9$808

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 9 September 2025.

Tue 14/1021:25SYD - USM

1 stop25h 05mScoot

Thu 23/1008:45USM - SYD

1 stop23h 50mScoot

Deal found 7/9$717

Wed 22/1021:25SYD - USM

1 stop14h 25mMultiple Airlines

Wed 29/1007:00USM - SYD

2 stops31h 50mMultiple Airlines

Deal found 7/9$822

Mon 13/1013:50SYD - USM

2 stops34h 35mMultiple Airlines

Thu 23/1007:00USM - SYD

2 stops33h 10mMultiple Airlines

Deal found 7/9$849

Fri 28/1114:20SYD - USM

1 stop24h 40mScoot

Wed 3/1208:55USM - SYD

1 stop29h 55mScoot

Deal found 6/9$896

Wed 15/1013:50SYD - USM

2 stops21h 30mMultiple Airlines

Wed 22/1007:00USM - SYD

2 stops25h 35mMultiple Airlines

Deal found 6/9$871

Sat 21/214:20SYD - USM

1 stop21h 40mScoot

Sun 1/319:45USM - SYD

1 stop19h 05mScoot

Deal found 8/9$930

Tue 14/1021:25SYD - USM

2 stops27h 00mMultiple Airlines

Mon 27/1012:00USM - SYD

3 stops40h 05mMultiple Airlines

Deal found 6/9$900

Tue 21/1021:25SYD - USM

2 stops27h 00mMultiple Airlines

Wed 29/1007:00USM - SYD

3 stops31h 50mMultiple Airlines

Deal found 7/9$922

Thu 23/1013:50SYD - USM

1 stop22h 00mScoot

Thu 30/1008:55USM - SYD

1 stop29h 55mScoot

Deal found 7/9$1,077

Thu 23/1022:15SYD - USM

2 stops22h 40mMultiple Airlines

Tue 28/1007:00USM - SYD

2 stops21h 05mMultiple Airlines

Deal found 6/9$930

Tue 14/1021:25SYD - USM

3 stops20h 30mMultiple Airlines

Thu 23/1017:55USM - SYD

2 stops14h 40mMultiple Airlines

Deal found 7/9$1,059

Mon 22/910:15SYD - USM

2 stops33h 40mMultiple Airlines

Mon 29/908:45USM - SYD

2 stops18h 20mMultiple Airlines

Deal found 6/9$1,182

One-way flights to Ko Samui
Search for one-way flight options to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 9 September 2025.

Sun 19/1021:25SYD - USM

1 stop25h 05mScoot

Deal found 6/9$362

Sun 2/1114:20SYD - USM

1 stop21h 40mScoot

Deal found 7/9$395

Wed 15/1011:15SYD - USM

2 stops48h 05mMultiple Airlines

Deal found 7/9$435

Wed 15/1021:25SYD - USM

1 stop25h 05mScoot

Deal found 7/9$444

Sat 22/1114:20SYD - USM

1 stop21h 40mScoot

Deal found 7/9$447

Sat 15/1114:20SYD - USM

1 stop21h 40mScoot

Deal found 7/9$456

Sun 19/1021:25SYD - USM

2 stops28h 10mMultiple Airlines

Deal found 6/9$459

Fri 12/910:15SYD - USM

2 stops34h 45mMultiple Airlines

Deal found 6/9$470

Mon 15/912:50SYD - USM

2 stops34h 35mMultiple Airlines

Deal found 6/9$474

Fly from

Route

Depart

Return

Price

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Tue 14/10

21:25-18:30

1 stop25h 05m

Ko Samui

Thu 23/10

08:45-12:35

1 stop23h 50m

$717

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Wed 22/10

21:25-07:50

1 stop14h 25m

Ko Samui

Wed 29/10

07:00-18:50

2 stops31h 50m

$822

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Mon 13/10

13:50-20:25

2 stops34h 35m

Ko Samui

Thu 23/10

07:00-20:10

2 stops33h 10m

$849

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Wed 15/10

13:50-07:20

2 stops21h 30m

Ko Samui

Wed 22/10

07:00-12:35

2 stops25h 35m

$871

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Fri 28/11

14:20-11:00

1 stop24h 40m

Ko Samui

Wed 3/12

08:55-18:50

1 stop29h 55m

$896

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Tue 14/10

21:25-20:25

2 stops27h 00m

Ko Samui

Mon 27/10

12:00-08:05

3 stops40h 05m

$900

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Tue 21/10

21:25-20:25

2 stops27h 00m

Ko Samui

Wed 29/10

07:00-18:50

3 stops31h 50m

$922

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Sat 21/2

14:20-08:00

1 stop21h 40m

Ko Samui

Sun 1/3

19:45-18:50

1 stop19h 05m

$930

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Thu 23/10

22:15-16:55

2 stops22h 40m

Ko Samui

Tue 28/10

07:00-08:05

2 stops21h 05m

$930

SydneyKo Samui

SYD - USM

SYDUSM

Sydney Kingsford Smith

Tue 14/10

21:25-13:55

3 stops20h 30m

Ko Samui

Thu 23/10

17:55-12:35

2 stops14h 40m

$1,059

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 21 results

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

Prices

Airlines

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

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.

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.

Reviews of airlines servicing Ko Samui

Read through reviews of airlines serving Thailand, such as Singapore Airlines, Bangkok Airways, andThai Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,363 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Singapore Airlines

8.1

Very Good

1,363 reviews

Singapore Airlines

8.1

Very Good

1,363 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

Bangkok Airways

8.0

Very Good

113 reviews

Singapore Airlines

8.1

Very Good

1,363 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

Thai Airways

7.8

Good

348 reviews

Singapore Airlines

8.1

Very Good

1,363 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

Qantas Airways

7.5

Good

905 reviews

Singapore Airlines

8.1

Very Good

1,363 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

Scoot

6.7

Okay

308 reviews

Singapore Airlines

8.1

Very Good

1,363 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,July 2025

DAD - SIN

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 $95, while return flights cost around $237.
How much is a return flight to Ko Samui?
A return flight to Ko Samui will typically cost around $248, however they can be found for as little as $156.
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 (10 hours 30 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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How does Cheapflights help users find flights to Ko Samui?

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.

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

Not ready to book yet? You can track prices for flights to Ko Samui on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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$351+ 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 24/2. 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 9 September 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 9 September 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 9 September 2025.

Cheapflights Fare Finder

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?

When is the cheapest time to fly to Ko Samui?

What are the cheapest airlines that fly to Ko Samui?

Rainfall in Ko Samui by month

Temperature in Ko Samui by month

How long is the flight to Ko Samui?

Reviews of airlines servicing Ko Samui

Read through reviews of airlines serving Thailand, such as Singapore Airlines, Bangkok Airways, andThai Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 9 September 2025.