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Ko Samui

$158+ Cheap flights from Singapore (SIN) to Ko Samui (USM)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
août 19 — août 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in May or September, booked 58 days in advance, depart on a Tuesday or Sunday and return on a Friday

Cheap flight deals from Singapore to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated août 14, 2025.

Round-trip from

$289
(CheapOair)

One-way from

$158
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$349

Good round-trip deal

$327 or less

Good one-way deal

$166 or less
From Singapore Changi to Ko Samui
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One-way flight from Singapore Changi to Ko Samui
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Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Singapore Changi to Ko Samui.
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Price to beat on a one-way flight from Singapore Changi to Ko Samui.
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Find flight deals from Singapore to Ko Samui

Cheapest flights from Singapore to Ko Samui
Explore the most affordable flight options available from Singapore to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on août 14, 2025.

This CheapOair deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/275:35 pmSIN - USM
Nonstop1h 55mScoot
mer. 10/18:45 amUSM - SIN
Nonstop2h 00mScoot
Deal found 8/14$289
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/277:00 amSIN - USM
Nonstop2h 00mScoot
dim. 11/308:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 8/13$290
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/156:35 pmSIN - USM
1 stop18h 20mMultiple Airlines
ven. 9/198:45 amUSM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 8/13$298
This Booking.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/185:20 pmSIN - USM
Nonstop1h 55mBangkok Airways
sam. 10/251:30 pmUSM - SIN
Nonstop1h 55mBangkok Airways
Deal found 8/14$299
This Booking.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 9/118:15 pmSIN - USM
Nonstop1h 55mMultiple Airlines
dim. 9/148:45 amUSM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 8/13$304
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/128:50 pmSIN - USM
1 stop11h 30mMultiple Airlines
ven. 9/197:25 pmUSM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 8/13$306
This CheapOair deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/297:00 amSIN - USM
Nonstop1h 50mScoot
dim. 9/78:45 amUSM - SIN
Nonstop2h 00mScoot
Deal found 8/14$308
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/177:00 amSIN - USM
Nonstop1h 50mMultiple Airlines
mer. 9/245:55 pmUSM - SIN
1 stop4h 55mMultiple Airlines
Deal found 8/13$311
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/106:35 pmSIN - USM
1 stop24h 25mMultiple Airlines
mer. 9/177:25 pmUSM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 8/13$316
This Kiwi.com deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/159:20 pmSIN - USM
2 stops15h 35mMultiple Airlines
mer. 10/155:40 pmUSM - SIN
Nonstop2h 10mMultiple Airlines
Deal found 8/14$334

Cheapflights Fare Finder

 
Customize your flight search to find flights from Singapore to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated août 14, 2025.
Use the filters below to find and compare flights from Singapore to Ko Samui that are best for you.

Fly from

Singapore

Fly to

Ko Samui

Route

Depart

Return

Price

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

sam. 9/27

5:35 pm-6:30 pm

Nonstop1h 55m

Ko Samui

mer. 10/1

8:45 am-11:45 am

Nonstop2h 00m

$289

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

mer. 11/26

7:00 am-8:00 am

Nonstop2h 00m

Ko Samui

dim. 11/30

8:55 am-11:55 am

Nonstop2h 00m

$289

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

jeu. 11/27

7:00 am-8:00 am

Nonstop2h 00m

Ko Samui

dim. 11/30

8:55 am-11:55 am

Nonstop2h 00m

$290

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

lun. 9/15

6:35 pm-11:55 am

1 stop18h 20m

Ko Samui

ven. 9/19

8:45 am-11:45 am

Nonstop2h 00m

$298

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

sam. 10/18

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

sam. 10/25

1:30 pm-4:25 pm

Nonstop1h 55m

$299

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

sam. 10/18

12:15 pm-1:10 pm

Nonstop1h 55m

Ko Samui

mer. 10/22

1:30 pm-4:25 pm

Nonstop1h 55m

$299

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

lun. 9/15

8:50 pm-7:20 am

1 stop11h 30m

Ko Samui

mer. 10/15

8:45 am-11:45 am

Nonstop2h 00m

$304

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

jeu. 9/11

8:15 pm-9:10 pm

Nonstop1h 55m

Ko Samui

dim. 9/14

8:45 am-11:45 am

Nonstop2h 00m

$304

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

ven. 9/12

8:50 pm-7:20 am

1 stop11h 30m

Ko Samui

ven. 9/19

7:25 pm-10:25 pm

Nonstop2h 00m

$306

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

ven. 11/21

7:00 am-8:00 am

Nonstop2h 00m

Ko Samui

mar. 11/25

8:55 am-11:55 am

Nonstop2h 00m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 23 results
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The best insider tips for Singapore to Ko Samui flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to Ko Samui trip
Airports
SIN

For a smooth departure, check-in online and use early check-in desks at Jewel to avoid queues.

Read more about SINby Yulia Denisyuk
USM

Upon arrival at USM, pre-arrange transportation as taxis can't queue at the airport. Consider using the Grab app for low rates.

Read more about USMby Ramsey Qubein
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on USM

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Singapore to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Singapore with our price prediction graph.
Estimated round-trip 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 from Singapore to Ko Samui

How far ahead should I book a flight from Singapore to Ko Samui?

Use this chart to determine the optimal time to book a round-trip flight from Singapore to Ko Samui. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Singapore to Ko Samui, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest time of day to fly from SIN to USM?

Find hourly flight availability from Singapore to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated août 14, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 45% on flights from Singapore to Ko Samui by exploring options for tickets at noon.

Weekly flight availability from Singapore to Ko Samui

Explore weekly flight availability from Singapore to Ko Samui. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated août 14, 2025.

The most flights from SIN to USM are scheduled on a Tuesday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).

How much does it cost to fly round-trip from Singapore to Ko Samui?

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated août 14, 2025.
Read through reviews of airlines operating flights from Singapore to Ko Samui, such as Bangkok Airways and Scoot. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very good
112 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

6.3

Boarding

8.0

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very good
112 reviews
Bangkok Airways
8.0
Very good
112 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

6.3

Boarding

8.0

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Scoot
6.7
Okay
308 reviews
Bangkok Airways
8.0
Very good
112 reviews

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

6.3

Boarding

8.0

Overall

8.0

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Singapore to Ko Samui?

    You will need to book a flight from Singapore Changi to Ko Samui if you want to fly from Singapore to Ko Samui. At least 2 different airlines have flights from Changi (SIN) to Ko Samui (USM) on a regular basis. There are 31 flights to Ko Samui from the Singapore airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SIN to USM to be around 1h 50m.

  • How popular is this Singapore to Ko Samui flight route?

    Flights from Singapore Changi to Ko Samui have been viewed 15 times in the past calendar month.

  • What are the cheapest airlines flying from Singapore to Ko Samui round-trip?

    According to our current data, Scoot ($268), and Bangkok Airways ($314) offers the cheapest pricing from Singapore to Ko Samui. These flights start at 21% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Singapore to Ko Samui?

    Consider Etihad Airways (96%), Lufthansa (93%) or Qatar Airways (93%) when booking your flight. These represent the most reliable airlines when flying from Singapore to Ko Samui.

  • What are the cheapest flights from Singapore to Ko Samui?

    While on average a flight from Singapore to Ko Samui is generally $298, our data shows the cheapest flight currently is $158. When looking at the most popular route, (Singapore Changi - Ko Samui), you can expect to pay $275 for that flight.

  • Can I find deals for flights from Singapore to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Singapore to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Singapore to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Ko Samui.

  • Can I find deals for business class flights from Singapore to Ko Samui?

    Yes. Cheapflights offers flight deals from Singapore to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Suvarnabhumi flights
Singapore to Don Mueang Intl flights
Singapore to Chiang Mai flights
Singapore to Krabi flights
Singapore to Phuket City flights

Top 2 airlines flying from Singapore to Ko Samui

Discover the top 2 airlines that operate flights from Singapore to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated août 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$268Average$344FlexibilityNo cancel feeOn-timeN/A
Bangkok AirwaysCheapest$314Average$439FlexibilityNo cancel feeOn-time74%

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