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Cheap flights from Singapore to Ko Samui from $247

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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 Thursday or Wednesday and return on a Wednesday

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 18 September 2025.

Round-trip from

$436

One-way from

$247

Popular in

December

Cheapest in

May

Average price

$460

Good round-trip deal

$414 or less
Scoot
  • Scoot
  • 14/10-17/10
  • Nonstop
  • 3h 55m total
  • Singapore to Ko Samui
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Scoot
  • Scoot
  • 2/11
  • Nonstop
  • 1h 50m total
  • Singapore to Ko Samui
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($30 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average return 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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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 18 September 2025.

Tue 14/1016:00SIN - USM
Nonstop1h 45mScoot
Fri 17/1017:40USM - SIN
Nonstop2h 10mScoot
Deal found 15/9$436
Tue 14/1007:50SIN - USM
1 stop11h 10mMultiple Airlines
Fri 17/1019:25USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 15/9$439
Wed 29/1007:00SIN - USM
Nonstop2h 00mScoot
Sun 9/1108:55USM - SIN
Nonstop2h 00mScoot
Deal found 17/9$441
Tue 25/1107:00SIN - USM
Nonstop2h 00mScoot
Sat 29/1108:55USM - SIN
Nonstop2h 00mScoot
Deal found 17/9$448
Sat 20/917:35SIN - USM
Nonstop1h 55mScoot
Tue 23/919:25USM - SIN
Nonstop2h 00mScoot
Deal found 17/9$466
Sat 20/922:15SIN - USM
1 stop10h 05mMultiple Airlines
Tue 23/919:25USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 17/9$486
Tue 7/1017:20SIN - USM
Nonstop1h 55mBangkok Airways
Thu 16/1016:25USM - SIN
Nonstop1h 55mBangkok Airways
Deal found 16/9$517
Sat 1/1121:55SIN - USM
1 stop17h 35mMultiple Airlines
Sat 8/1108:55USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 17/9$549

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 18 September 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

Tue 14/10

16:00-16:45

Nonstop1h 45m

Ko Samui

Fri 17/10

17:40-20:50

Nonstop2h 10m

$436

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 14/10

07:50-18:00

1 stop11h 10m

Ko Samui

Fri 17/10

19:25-22:25

Nonstop2h 00m

$439

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 8/2

16:10-17:10

Nonstop2h 00m

Ko Samui

Thu 19/2

08:15-13:55

1 stop4h 40m

$667

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 8/2

07:05-11:30

1 stop5h 25m

Ko Samui

Sat 14/2

17:05-23:30

1 stop5h 25m

$714

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 13/10

06:50-11:05

1 stop5h 15m

Ko Samui

Thu 16/10

18:25-00:35

1 stop5h 10m

$714

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 7/10

06:50-11:05

1 stop5h 15m

Ko Samui

Thu 16/10

17:25-23:35

1 stop5h 10m

$749

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 9/2

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 21/2

08:15-11:10

Nonstop1h 55m

$790

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 13/2

17:20-18:15

Nonstop1h 55m

Ko Samui

Tue 24/2

08:15-11:10

Nonstop1h 55m

$790

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 9/2

17:20-18:15

Nonstop1h 55m

Ko Samui

Sun 22/2

13:25-16:20

Nonstop1h 55m

$790

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 18/12

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 3/1

15:50-23:15

1 stop6h 25m

$902

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 19 results
1
2

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 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 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 return flight from Singapore to Ko Samui. Price data was last updated on 12 September 2025.

The price you pay for your flight from Singapore to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $533). Flying from Singapore to Ko Samui in December is currently the most expensive (average of $1,051). 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 18 September 2025.

When flying from Singapore to Ko Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 29% versus a flight in the afternoon.

How much does it cost for a return flight 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 18 September 2025.
See what other customers who have flown with Bangkok Airways and Scoot from Singapore to Ko Samui have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very Good
113 reviews
Check prices

Entertainment

6.2

Overall

8.0

Boarding

8.0

Comfort

7.9

Crew

8.5

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
Check prices

Entertainment

6.2

Overall

8.0

Boarding

8.0

Comfort

7.9

Crew

8.5

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
Check prices

Entertainment

6.2

Overall

8.0

Boarding

8.0

Comfort

7.9

Crew

8.5

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 2h 00m.

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

    The Singapore Changi to Ko Samui flight path was viewed by 95 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 Singapore to Ko Samui?

    There are many flights that can get you from Singapore to Ko Samui in 1h 45m. Fly via Scoot to get the fastest option. Singapore and Ko Samui are separated by a distance of 1009 km. Generally, flights for this route are direct.

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

    Currently priced at $389, Scoot will fly you from Singapore to Ko Samui and back. In addition to Scoot, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Bangkok Airways for as low as $488. Users have found that Scoot is 23% cheaper than the other options available to this destination.

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

    Before booking your flight to Ko Samui from Singapore, have a look at the most reliable airlines to get you to your destination on time: Etihad Airways (95%), Lufthansa (94%), Qatar Airways( 94%).

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

    Looking at all options, your cheapest flight can be booked for $414. While the most popular route (Singapore Changi - Ko Samui) can be booked for $875 on average, our data indicates $881 when flying from Singapore to Ko Samui.

  • 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 holiday 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, August is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $533). Flying from Singapore to Ko Samui in December is currently the most expensive (average of $1,051). 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

Travelling 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 Phuket City flights
Singapore to Suvarnabhumi 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 647,157 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$389Average$488FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapest$488Average$588FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Ko Samui?

Cheapflights helps you search for flights from Singapore to Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Ko Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui from Singapore.

Can Cheapflights find flights from Singapore to Ko Samui with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to Ko Samui, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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