Cheap flights from Singapore to Ko Samui from £126

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in June or September, booked 69 days in advance, depart on a Friday or Saturday and return on a Thursday

Cheap flight deals from Singapore to Ko Samui

Enter your travel dates to find the best prices.

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 22 March 2026.

Sun 24/515:30
SIN
-
USM
1 stop5h 55m
Multiple Airlines
Sun 31/508:00
USM
-
SIN
1 stop5h 25m
Multiple Airlines
Deal found 20/3£224
Fri 8/517:55
SIN
-
USM
Nonstop1h 55m
Scoot
Mon 11/519:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 21/3£225
Mon 18/507:30
SIN
-
USM
1 stop4h 00m
Multiple Airlines
Fri 22/508:00
USM
-
SIN
1 stop8h 25m
Multiple Airlines
Deal found 19/3£227
Sat 15/817:55
SIN
-
USM
Nonstop1h 55m
Scoot
Tue 25/808:40
USM
-
SIN
Nonstop1h 55m
Scoot
Deal found 22/3£229
Fri 24/420:15
SIN
-
USM
Nonstop1h 55m
Bangkok Airways
Mon 27/413:30
USM
-
SIN
Nonstop1h 55m
Bangkok Airways
Deal found 22/3£232
Mon 4/511:20
SIN
-
USM
1 stop10h 05m
Multiple Airlines
Mon 11/509:15
USM
-
SIN
1 stop6h 20m
Multiple Airlines
Deal found 20/3£232
Sun 24/517:55
SIN
-
USM
Nonstop1h 55m
Scoot
Wed 3/608:40
USM
-
SIN
Nonstop1h 55m
Scoot
Deal found 20/3£234
Sat 2/517:55
SIN
-
USM
Nonstop1h 55m
Multiple Airlines
Sat 9/508:20
USM
-
SIN
Nonstop1h 55m
Multiple Airlines
Deal found 18/3£236
Sun 24/515:30
SIN
-
USM
1 stop5h 55m
Multiple Airlines
Mon 1/619:00
USM
-
SIN
1 stop16h 45m
Multiple Airlines
Deal found 20/3£238
Fri 10/417:20
SIN
-
USM
Nonstop1h 55m
Bangkok Airways
Fri 24/413:30
USM
-
SIN
Nonstop1h 55m
Bangkok Airways
Deal found 17/3£239
Sun 24/515:30
SIN
-
USM
1 stop5h 55m
Multiple Airlines
Tue 2/608:40
USM
-
SIN
Nonstop1h 55m
Multiple Airlines
Deal found 20/3£243

Find 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 22 March 2026.

Round-trip from

£224

One-way from

£126

Popular in

February

Cheapest in

June

Average price

£274

Good round-trip deal

£257 or less

Good one-way deal

£135 or less
24/5-31/5
  • 24/5-31/5
  • 2 total stops
  • 11h 20m total
  • Singapore to Ko Samui
Scoot
  • Scoot
  • 18/8
  • Nonstop
  • 1h 45m total
  • Singapore to Ko Samui
Highest demand for flights based on searches. 6% potential increase in price (£14 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Singapore Changi to Ko Samui.
Price to beat on a one-way flight from Singapore Changi to Ko Samui.

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 22 March 2026.
Use the filters below to find and compare flights from Singapore to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 10/4

17:20-18:15

Nonstop1h 55m

Ko Samui

Fri 24/4

13:30-16:25

Nonstop1h 55m

£239

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 18/4

12:15-13:10

Nonstop1h 55m

Ko Samui

Sat 25/4

08:20-11:15

Nonstop1h 55m

£272

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 10/4

17:20-18:15

Nonstop1h 55m

Ko Samui

Fri 24/4

15:25-23:55

1 stop7h 30m

£279

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 18/5

16:25-17:20

Nonstop1h 55m

Ko Samui

Wed 20/5

19:45-22:45

Nonstop2h 00m

£289

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 24/5

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 30/5

08:20-11:15

Nonstop1h 55m

£350

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 14/9

06:40-11:05

1 stop5h 25m

Ko Samui

Fri 18/9

15:20-21:55

1 stop5h 35m

£377

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 18/5

21:00-17:05

2 stops21h 05m

Ko Samui

Wed 20/5

07:50-20:00

2 stops11h 10m

£457
Cheapest one-way
Fastest single journey

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 25/7

17:55-18:50

Nonstop1h 55m

£127

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 26/6

17:20-18:15

Nonstop1h 55m

£154

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 3/5

17:20-18:15

Nonstop1h 55m

£154

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 15 resultsSorted by cheapest first
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 13 March 2026.

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, July is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of £143). Flying from Singapore to Ko Samui in December is currently the most expensive (average of £220). 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 22 March 2026.

When flying from Singapore to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 22 March 2026.
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.

Crew

8.6

Overall

8.1

Entertainment

6.3

Boarding

8.1

Food

7.3

Comfort

8.0

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Crew

8.6

Overall

8.1

Entertainment

6.3

Boarding

8.1

Food

7.3

Comfort

8.0

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

Crew

8.6

Overall

8.1

Entertainment

6.3

Boarding

8.1

Food

7.3

Comfort

8.0

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

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 33 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?

  • 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 55m. Fly via Bangkok Airways or Scoot 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 £193, 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 24% 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: Scoot (86%), Singapore Airlines (83%), Air France( 82%).

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

    While on average a flight from Singapore to Ko Samui is generally £227, our data shows the cheapest flight currently is £125. When looking at the most popular route, (Singapore Changi - Ko Samui), you can expect to pay £426 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, July is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of £143). Flying from Singapore to Ko Samui in December is currently the most expensive (average of £220). 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
Khanom

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.

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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest£193Average£251FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapest£245Average£303FlexibilityNo 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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