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$126+ Cheap flights from Ko Samui (USM) to Singapore (SIN)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
USM — SIN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Ko Samui to Singapore Changi are usually found in September or October, booked 38 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Cheap flight deals from Ko Samui to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Singapore (SIN). 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

$283
(Booking.com)

One-way from

$126
(Mytrip)

Popular in

August

Cheapest in

September

Average price

$271

Good round-trip deal

$269 or less

Good one-way deal

$159 or less
From Ko Samui to Singapore Changi
Search Deals
One-way flight from Ko Samui to Singapore Changi
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Ko Samui to Singapore Changi.
Search Deals
Price to beat on a one-way flight from Ko Samui to Singapore Changi.
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Find flight deals from Ko Samui to Singapore

Cheapest flights from Ko Samui to Singapore
Explore the most affordable flight options available from Ko Samui to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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.
Fri 10/318:55 amUSM - SIN
Nonstop2h 00mScoot
Fri 11/76:00 pmSIN - USM
Nonstop1h 50mScoot
Deal found 9/16$283
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.
Sun 11/98:55 amUSM - SIN
Nonstop2h 00mScoot
Wed 11/127:00 amSIN - USM
Nonstop2h 00mScoot
Deal found 9/16$291
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.
Wed 9/248:45 amUSM - SIN
Nonstop2h 00mScoot
Sun 9/287:00 amSIN - USM
Nonstop1h 50mScoot
Deal found 9/16$292
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:45 amUSM - SIN
Nonstop2h 00mScoot
Thu 9/257:00 amSIN - USM
Nonstop1h 50mScoot
Deal found 9/17$298
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.
Fri 10/318:15 amUSM - SIN
1 stop4h 40mMultiple Airlines
Fri 11/74:10 pmSIN - USM
Nonstop2h 00mMultiple Airlines
Deal found 9/16$302
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 9/237:25 pmUSM - SIN
Nonstop2h 00mMultiple Airlines
Thu 9/255:20 pmSIN - USM
Nonstop1h 55mMultiple Airlines
Deal found 9/17$354
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.
Mon 9/225:55 pmUSM - SIN
1 stop4h 55mMultiple Airlines
Wed 9/245:35 pmSIN - USM
Nonstop1h 55mMultiple Airlines
Deal found 9/17$361
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.
Sun 9/218:45 amUSM - SIN
Nonstop2h 00mMultiple Airlines
Thu 9/255:20 pmSIN - USM
Nonstop1h 55mMultiple Airlines
Deal found 9/17$370
This Scoot 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 Scoot is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:45 amUSM - SIN
Nonstop2h 00mScoot
Sun 10/54:10 pmSIN - USM
Nonstop1h 55mScoot
Deal found 9/16$372

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ko Samui to Singapore 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 Ko Samui to Singapore that are best for you.

Fly from

Ko Samui

Fly to

Singapore

Route

Depart

Return

Price

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 10/21

8:45 am-11:45 am

Nonstop2h 00m

Singapore Changi

Sun 10/26

4:10 pm-5:10 pm

Nonstop2h 00m

$292

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Mon 10/13

8:45 am-11:45 am

Nonstop2h 00m

Singapore Changi

Mon 10/20

7:00 am-7:50 am

Nonstop1h 50m

$298

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Fri 10/31

8:15 am-1:55 pm

1 stop4h 40m

Singapore Changi

Fri 11/7

4:10 pm-5:10 pm

Nonstop2h 00m

$302

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Wed 10/1

5:40 pm-8:50 pm

Nonstop2h 10m

Singapore Changi

Sun 10/5

4:10 pm-5:05 pm

Nonstop1h 55m

$370

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 10/21

8:45 am-11:45 am

Nonstop2h 00m

Singapore Changi

Sun 10/26

7:05 am-11:50 am

1 stop5h 45m

$431

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 11/9

8:55 am-11:55 am

Nonstop2h 00m

Singapore Changi

Wed 11/12

3:25 pm-8:15 pm

1 stop5h 50m

$431

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Mon 10/13

8:45 am-11:45 am

Nonstop2h 00m

Singapore Changi

Mon 10/20

6:50 am-11:05 am

1 stop5h 15m

$461

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 9/23

5:40 pm-8:50 pm

Nonstop2h 10m

$126

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Thu 2/5

6:05 pm-9:10 pm

Nonstop2h 05m

$127

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 1/13

6:05 pm-9:10 pm

Nonstop2h 05m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 18 results
1
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The best insider tips for Ko Samui to Singapore 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 Ko Samui to Singapore trip
Airports
USM

For early departures, avoid airport hotels. Staying at your original accommodation is more convenient and saves hassle.

Read more about USMby Ramsey Qubein
SIN

Use the Grab app for a quick ride from SIN to the city. It's faster and cheaper than a taxi.

Read more about SINby Yulia Denisyuk
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 Ko Samui to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Ko Samui 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 Ko Samui to Singapore

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

Use this chart to determine the optimal time to book a round-trip flight from Ko Samui to Singapore. Price data was last updated on September 12, 2025.

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ko Samui to Singapore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Ko Samui to Singapore (average of $994). Flying from Ko Samui to Singapore in December is currently the most expensive (average of $1,665). 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 USM to SIN?

Find hourly flight availability from Ko Samui to Singapore. 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.

When flying from Ko Samui to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 77% versus a flight in the afternoon.

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated September 17, 2025.
Peruse reviews from past customers who have flown with Bangkok Airways and Scoot from Ko Samui to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very good
113 reviews

Boarding

8.0

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

6.2

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

Boarding

8.0

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

6.2

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

Boarding

8.0

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

6.2

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 Ko Samui to Singapore. 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 Ko Samui to Singapore?

    If you book a flight from Ko Samui to Singapore, you will be flying from Ko Samui to Changi. Flights to Singapore Changi (SIN) from Ko Samui (USM) take 2h 00m for a nonstop flight. There are 36 flights from Ko Samui to Singapore per day from 2 airlines.

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

    The Ko Samui to Singapore Changi flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as $292, Scoot can have you in Singapore from Ko Samui in 2h. The distance between Ko Samui and Singapore is about 627 mi. Generally, flights for this route are nonstop.

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

    Flying on Scoot is currently your cheapest option to Singapore, with prices starting at $258. Another option worth looking into is Bangkok Airways, starting at $299 round trip. Scoot is currently priced 18% below the average price you’ll pay for this route.

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

    No one likes to see their flight delayed. When booking a flight from Ko Samui to Singapore consider choosing Scoot (91%), Qatar Airways (90%) or Thai Airways (90%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Ko Samui to Singapore is generally $322, our data shows the cheapest flight currently is $126. When looking at the most popular route, (Ko Samui - Singapore Changi), you can expect to pay $936 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ko Samui to Singapore 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 Ko Samui to Singapore?

    Currently, October is the cheapest month in which you can book a flight from Ko Samui to Singapore (average of $994). Flying from Ko Samui to Singapore in December is currently the most expensive (average of $1,665). 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

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Alternative routes for Ko Samui to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ko Samui to Singapore

Discover the top 2 airlines that operate flights from Ko Samui to Singapore. 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$258Average$322FlexibilityNo cancel feeOn-timeN/A
Bangkok AirwaysCheapest$299Average$413FlexibilityNo cancel feeOn-time74%

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