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Ko Samui

$161+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find cheap flights from Singapore to Ko Samui with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in May or June, booked 69 days in advance, depart on a Saturday or Tuesday 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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$280
(Booking.com)

One-way from

$161
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$331

Good round-trip deal

$310 or less

Good one-way deal

$169 or less
Provider with most accurate pricing for Singapore Changi-Ko Samui flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-Ko Samui flights.
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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. 2% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Singapore Changi to Ko Samui.
Search Deals
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 octubre 30, 2025.

This CheapOair deal was found by Cheapflights users on 10/28. 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.
jue. 11/137:00 amSIN - USM
Nonstop2h 00mScoot
vie. 11/218:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/28$284
This Booking.com deal was found by Cheapflights users on 10/28. 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.
dom. 12/77:00 amSIN - USM
Nonstop2h 00mScoot
sáb. 12/138:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/28$297
This Booking.com deal was found by Cheapflights users on 10/27. 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.
jue. 11/66:00 pmSIN - USM
Nonstop1h 50mScoot
dom. 11/98:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/27$298
This Orbitz deal was found by Cheapflights users on 10/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/277:00 amSIN - USM
Nonstop2h 00mScoot
jue. 12/118:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/30$302
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/97:00 amSIN - USM
Nonstop2h 00mScoot
dom. 12/148:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/29$303
This Booking.com deal was found by Cheapflights users on 10/28. 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.
vie. 12/56:00 pmSIN - USM
Nonstop1h 50mScoot
dom. 12/78:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/28$306
This Booking.com deal was found by Cheapflights users on 10/30. 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.
sáb. 11/16:00 pmSIN - USM
Nonstop1h 50mScoot
lun. 11/38:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/30$307
This CheapOair deal was found by Cheapflights users on 10/28. 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.
vie. 11/214:10 pmSIN - USM
Nonstop2h 00mScoot
mar. 11/258:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/28$308
This Expedia deal was found by Cheapflights users on 10/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3110:00 amSIN - USM
Nonstop2h 00mScoot
mar. 11/46:05 pmUSM - SIN
Nonstop2h 05mScoot
Deal found 10/30$310
This Booking.com deal was found by Cheapflights users on 10/28. 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.
vie. 12/54:10 pmSIN - USM
Nonstop2h 00mScoot
vie. 12/57:45 pmUSM - SIN
Nonstop2h 10mScoot
Deal found 10/28$313
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/126:00 pmSIN - USM
Nonstop1h 50mScoot
lun. 12/158:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 10/28$314

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 octubre 30, 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

jue. 12/4

5:00 pm-8:50 pm

1 stop4h 50m

Ko Samui

dom. 12/14

8:55 am-11:55 am

Nonstop2h 00m

$389

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

lun. 3/16

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

jue. 3/26

1:25 pm-4:20 pm

Nonstop1h 55m

$390

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

mar. 3/17

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

jue. 3/26

1:25 pm-4:20 pm

Nonstop1h 55m

$390

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

vie. 2/20

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

jue. 2/26

8:15 am-11:10 am

Nonstop1h 55m

$407

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

lun. 3/16

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

mié. 3/25

1:25 pm-4:20 pm

Nonstop1h 55m

$427

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

vie. 3/20

8:10 pm-9:05 pm

Nonstop1h 55m

Ko Samui

dom. 3/29

1:30 pm-4:25 pm

Nonstop1h 55m

$436

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

jue. 3/19

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

dom. 3/29

1:30 pm-4:25 pm

Nonstop1h 55m

$436

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

vie. 3/20

8:10 pm-9:05 pm

Nonstop1h 55m

Ko Samui

vie. 3/27

4:25 pm-7:20 pm

Nonstop1h 55m

$454

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

lun. 3/16

8:10 pm-9:05 pm

Nonstop1h 55m

Ko Samui

lun. 3/23

1:25 pm-4:20 pm

Nonstop1h 55m

$459

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

sáb. 3/21

9:00 pm-7:45 am

1 stop11h 45m

Ko Samui

dom. 3/29

1:30 pm-4:25 pm

Nonstop1h 55m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Singapore to Ko Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Singapore to Ko Samui in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Singapore-Ko Samui flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Singapore-Ko Samui flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Singapore-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-Ko Samui flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Singapore-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 2025.

To ensure you get the cheapest price possible for a flight from Singapore to Ko Samui, you should look to book at least 69 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 month to book a flight from Singapore to Ko Samui?

Currently, February is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $194). Flying from Singapore to Ko Samui in August is currently the most expensive (average of $273). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 octubre 30, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 40% on flights from Singapore to Ko Samui by exploring options for tickets at noon.

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

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

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 octubre 30, 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
115 reviews

Comfort

7.9

Entertainment

6.2

Food

7.2

Overall

8.0

Boarding

8.0

Crew

8.5

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
115 reviews
Bangkok Airways
8.0
Very good
115 reviews

Comfort

7.9

Entertainment

6.2

Food

7.2

Overall

8.0

Boarding

8.0

Crew

8.5

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
309 reviews
Bangkok Airways
8.0
Very good
115 reviews

Comfort

7.9

Entertainment

6.2

Food

7.2

Overall

8.0

Boarding

8.0

Crew

8.5

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 34 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 13 times in the past calendar month.

  • How long is the flight from Singapore to Ko Samui?

    Airlines like Bangkok Airways fly from Singapore to Ko Samui in about 1h 55m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 627 mi. Most flights are nonstop.

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

    According to our current data, Scoot ($266), and Bangkok Airways ($308) 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 (98%), Lufthansa (98%) or Qatar Airways (97%) 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 $276, our data shows the cheapest flight currently is $139. When looking at the most popular route, (Singapore Changi - Ko Samui), you can expect to pay $297 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.

  • What is the cheapest month to book a flight from Singapore to Ko Samui?

    Currently, February is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $194). Flying from Singapore to Ko Samui in August is currently the most expensive (average of $273). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Chiang Mai flights
Singapore to Don Mueang Intl 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$266Average$328FlexibilityNo cancel feeOn-timeN/A
Bangkok AirwaysCheapest$308Average$404FlexibilityNo cancel feeOn-time74%

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