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Cheap flights from Singapore to Ko Samui from £149

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 12/11. 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 Monday or Saturday 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

£212

One-way from

£149

Popular in

December

Cheapest in

May

Average price

£225

Good round-trip deal

£257 or less

Good one-way deal

£155 or less
Scoot
  • Scoot
  • 13/10-25/10
  • Nonstop
  • 3h 50m total
  • Singapore to Ko Samui
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Bangkok Airways
  • Bangkok Airways
  • 12/11
  • Nonstop
  • 1h 55m total
  • Singapore to Ko Samui
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£6 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 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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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 18 September 2025.

Mon 13/1007:00SIN - USM
Nonstop1h 50mScoot
Sat 25/1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 16/9£212
Sun 21/916:10SIN - USM
Nonstop1h 55mScoot
Mon 29/908:45USM - SIN
Nonstop2h 00mScoot
Deal found 17/9£212
Mon 13/1021:20SIN - USM
2 stops21h 40mMultiple Airlines
Sat 25/1008:45USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 16/9£218
Sat 20/917:35SIN - USM
Nonstop1h 55mScoot
Mon 29/908:45USM - SIN
Nonstop2h 00mScoot
Deal found 17/9£227
Sun 21/918:35SIN - USM
1 stop24h 25mMultiple Airlines
Mon 29/908:45USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 17/9£243
Tue 7/1017:20SIN - USM
Nonstop1h 55mBangkok Airways
Thu 16/1016:25USM - SIN
Nonstop1h 55mBangkok Airways
Deal found 16/9£253
Sat 1/1119:30SIN - USM
2 stops13h 15mMultiple Airlines
Sat 8/1108:55USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 17/9£277
Sat 20/909:10SIN - USM
2 stops12h 15mMultiple Airlines
Mon 29/908:45USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 17/9£282

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 858,174 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

Mon 13/10

07:00-07:50

Nonstop1h 50m

Ko Samui

Sat 25/10

08:45-11:45

Nonstop2h 00m

£212

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 13/10

21:20-18:00

2 stops21h 40m

Ko Samui

Sat 25/10

08:45-11:45

Nonstop2h 00m

£218

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 8/2

20:10-21:05

Nonstop1h 55m

Ko Samui

Sat 14/2

08:15-11:10

Nonstop1h 55m

£253

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 7/10

20:15-21:10

Nonstop1h 55m

Ko Samui

Thu 16/10

08:20-11:15

Nonstop1h 55m

£254

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

£349

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

£349

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 14/2

12:10-13:05

Nonstop1h 55m

Ko Samui

Tue 24/2

08:15-11:10

Nonstop1h 55m

£386

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

£386

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 6/1

17:20-18:15

Nonstop1h 55m

£149

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 16/3

17:20-18:15

Nonstop1h 55m

£150

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 15 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.

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 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 £1,019). Flying from Singapore to Ko Samui in December is currently the most expensive (average of £1,669). 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.

One of the essential ways to save on airfare from Singapore to Ko Samui is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 23% on airfare.

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.
Check out reviews from past customers who have flown with Bangkok Airways and Scoot from Singapore to Ko Samui 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
Check prices

Comfort

7.9

Entertainment

6.2

Food

7.2

Boarding

8.0

Crew

8.5

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
113 reviews
Bangkok Airways
8.0
Very Good
113 reviews
Check prices

Comfort

7.9

Entertainment

6.2

Food

7.2

Boarding

8.0

Crew

8.5

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
113 reviews
Check prices

Comfort

7.9

Entertainment

6.2

Food

7.2

Boarding

8.0

Crew

8.5

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?

    If you wish to fly to Ko Samui from Singapore, then you need to book flights from Singapore Changi to Ko Samui. There are 34 flights from Changi (SIN) to Ko Samui (USM) per day to choose from. Flights to Ko Samui from Changi are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 1h 30m is how long a nonstop flight from Singapore to Ko Samui typically takes.

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

    Flights from Singapore Changi to Ko Samui have been viewed 81 times in the past calendar month.

  • 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 50m. Fly via Scoot or Bangkok Airways to get the fastest option. Singapore and Ko Samui are separated by a distance of 627 mi. All flights are typically direct.

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

    Scoot, at £185, was found to be the cheapest airline from Singapore to Ko Samui. An alternate airline flying to your destination would be Bangkok Airways. Scoot is priced at 25% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to Ko Samui from Singapore, check out 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?

    While on average a flight from Singapore to Ko Samui is generally £234, our data shows the cheapest flight currently is £142. When looking at the most popular route, (Singapore Changi - Ko Samui), you can expect to pay £416 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 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 £1,019). Flying from Singapore to Ko Samui in December is currently the most expensive (average of £1,669). 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 Pha Ngan
Ko Tao

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Don Mueang Intl flights
Singapore to Phuket City flights
Singapore to Chiang Mai flights
Singapore to Krabi 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 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest£185Average£247FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapest£240Average£307FlexibilityNo 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?

Deals for Singapore to Ko Samui flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to Ko Samui.

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

Certainly. Search results for flights to Ko Samui from Singapore shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Singapore to Ko Samui flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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