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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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in May or June, booked 27 days in advance, depart on a Tuesday or Saturday 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 September 17, 2025.

Round-trip from

$292
(Mytrip)

One-way from

$161
(Booking.com)

Popular in

December

Cheapest in

May

Average price

$307

Good round-trip deal

$284 or less

Good one-way deal

$167 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. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:50 amSIN - USM
1 stop11h 10mMultiple Airlines
Tue 10/218:45 amUSM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 9/16$292
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Sat 11/17:00 amSIN - USM
Nonstop2h 00mScoot
Sat 11/88:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 9/16$293
This Booking.com deal was found by Cheapflights users on 9/17. 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.
Tue 11/116:00 pmSIN - USM
Nonstop1h 50mScoot
Fri 11/147:45 pmUSM - SIN
Nonstop2h 10mScoot
Deal found 9/17$294
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/144:00 pmSIN - USM
Nonstop1h 45mScoot
Tue 10/218:45 amUSM - SIN
Nonstop2h 00mScoot
Deal found 9/16$297
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Wed 12/107:00 amSIN - USM
Nonstop2h 00mScoot
Sun 12/148:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 9/16$298
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Tue 11/119:30 pmSIN - USM
1 stop10h 40mMultiple Airlines
Fri 11/147:45 pmUSM - SIN
Nonstop2h 10mMultiple Airlines
Deal found 9/17$305
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/97:00 amSIN - USM
Nonstop1h 50mScoot
Mon 10/138:45 amUSM - SIN
Nonstop2h 00mScoot
Deal found 9/16$306
This CheapOair deal was found by Cheapflights users on 9/16. 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.
Thu 11/136:00 pmSIN - USM
Nonstop1h 50mScoot
Fri 11/218:55 amUSM - SIN
Nonstop2h 00mScoot
Deal found 9/16$308
This CheapOair deal was found by Cheapflights users on 9/16. 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.
Mon 10/137:00 amSIN - USM
Nonstop1h 50mScoot
Thu 10/168:45 amUSM - SIN
Nonstop2h 00mScoot
Deal found 9/16$309
This Bangkok Airways deal was found by Cheapflights users on 9/16. 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 Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:20 pmSIN - USM
Nonstop1h 55mBangkok Airways
Thu 10/164:25 pmUSM - SIN
Nonstop1h 55mBangkok Airways
Deal found 9/16$345

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 September 17, 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

Thu 10/9

7:00 am-7:50 am

Nonstop1h 50m

Ko Samui

Mon 10/13

8:45 am-11:45 am

Nonstop2h 00m

$306

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 10/7

8:15 pm-9:10 pm

Nonstop1h 55m

Ko Samui

Thu 10/16

8:20 am-11:15 am

Nonstop1h 55m

$346

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 10/9

12:10 pm-7:45 pm

1 stop8h 35m

Ko Samui

Mon 10/13

8:45 am-11:45 am

Nonstop2h 00m

$371

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 10/10

1:10 pm-7:20 am

2 stops19h 10m

Ko Samui

Mon 10/13

8:45 am-11:45 am

Nonstop2h 00m

$393

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 2/8

7:05 am-11:30 am

1 stop5h 25m

Ko Samui

Sat 2/14

5:05 pm-11:30 pm

1 stop5h 25m

$476

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 10/13

6:50 am-11:05 am

1 stop5h 15m

Ko Samui

Thu 10/16

6:25 pm-12:35 am

1 stop5h 10m

$476

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 2/9

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

Sat 2/21

8:15 am-11:10 am

Nonstop1h 55m

$527

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 2/11

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

Sun 2/22

1:25 pm-4:20 pm

Nonstop1h 55m

$527

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 2/13

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

Tue 2/24

8:15 am-11:10 am

Nonstop1h 55m

$527

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 2/9

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

Sun 2/22

1:25 pm-4:20 pm

Nonstop1h 55m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 20 results
1
2

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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Singapore to Ko Samui, you should look to book at least 27 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 September 17, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 41% 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?

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 September 17, 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
113 reviews

Entertainment

6.2

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.0

Food

7.2

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
113 reviews
Bangkok Airways
8.0
Very good
113 reviews

Entertainment

6.2

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.0

Food

7.2

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
113 reviews

Entertainment

6.2

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.0

Food

7.2

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 12 times in the past calendar month.

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

    Airlines like Scoot fly from Singapore to Ko Samui in about 1h 45m. 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 ($267), and Bangkok Airways ($312) 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 (95%), Lufthansa (94%) or Qatar Airways (94%) 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 $251, our data shows the cheapest flight currently is $161. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$267Average$337FlexibilityNo cancel feeOn-timeN/A
Bangkok AirwaysCheapest$312Average$435FlexibilityNo cancel feeOn-time74%

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