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Cheap flights from Singapore to Ko Samui from £171

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
15 Jul — 22 Jul1
1 adult

Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in September or May, booked 27 days in advance, depart on a Tuesday or Monday 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 10 July 2025.

Round-trip from

£202

One-way from

£171

Popular in

December

Cheapest in

September

Average price

£244

Good round-trip deal

£208 or less

Good one-way deal

£116 or less
15/9-29/9
  • 15/9-29/9
  • 1 total stop
  • 18h 40m total
  • Singapore to Ko Samui
15/8
  • 15/8
  • 2 total stops
  • 16h 35m total
  • Singapore to Ko Samui
Highest demand for flights based on searches. 6% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in July 2025
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.

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 10 July 2025.

Mon 15/917:35SIN - USM
Nonstop1h 55mMultiple Airlines
Mon 29/919:00USM - SIN
1 stop16h 45mMultiple Airlines
Deal found 9/7£202
Sat 23/807:00SIN - USM
Nonstop1h 50mScoot
Sat 30/819:25USM - SIN
Nonstop2h 00mScoot
Deal found 9/7£208
Tue 7/1020:15SIN - USM
Nonstop1h 55mBangkok Airways
Thu 16/1016:25USM - SIN
Nonstop1h 55mBangkok Airways
Deal found 8/7£254
Mon 15/913:10SIN - USM
2 stops9h 25mVietnam Airlines
Mon 29/908:00USM - SIN
2 stops11h 00mVietnam Airlines
Deal found 9/7£400

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 10 July 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 15/9

17:35-18:30

Nonstop1h 55m

Ko Samui

Mon 29/9

19:00-12:45

1 stop16h 45m

£202

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 23/8

07:00-07:50

Nonstop1h 50m

Ko Samui

Sat 30/8

19:25-22:25

Nonstop2h 00m

£208

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 7/10

20:15-21:10

Nonstop1h 55m

Ko Samui

Thu 16/10

16:25-19:20

Nonstop1h 55m

£254

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 15/9

13:10-21:35

2 stops9h 25m

Ko Samui

Mon 29/9

08:00-20:00

2 stops11h 00m

£400

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 15/8

04:50-20:25

2 stops16h 35m

£171

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 20/7

20:15-21:10

Nonstop1h 55m

£182

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 27/11

14:30-10:35

2 stops21h 05m

£260

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 14/8

01:50-18:35

1 stop17h 45m

£2,230

Flights are sorted by cheapest return flights first.

Deals found on 7/7

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 27 June 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 10 July 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 22% on airfare.

Weekly flight availability from Singapore to Ko Samui

Explore weekly flight availability from Singapore to Ko Samui. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 July 2025.

The most flights from SIN to USM are scheduled on a Tuesday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

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 10 July 2025.
Check out reviews from past customers who have flown with Bangkok Airways, Cathay Pacific, andVietnam Airlines 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.

Boarding

7.9

Food

7.2

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

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.

Boarding

7.9

Food

7.2

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

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.

Boarding

7.9

Food

7.2

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

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.

Boarding

7.9

Food

7.2

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

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.

Boarding

7.9

Food

7.2

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

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.

Boarding

7.9

Food

7.2

Comfort

7.8

Entertainment

6.2

Overall

8.0

Crew

8.5

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 32 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?

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

    Scoot, at £208, was found to be the cheapest airline from Singapore to Ko Samui.Alternate airlines flying return to your destination include Bangkok Airways and Vietnam Airlines. Scoot is priced at 16% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Singapore to Ko Samui one-way?

    To fly one-way, consider booking your trip with Bangkok Airways, which is currently one of the cheapest options available, starting at £182. Philippine Airlines flights start at £260 while deals on Cathay Pacific start at £2,230 one-way.

  • 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: Lufthansa (93%), Etihad Airways (92%), Qatar Airways( 90%).

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

    While on average a flight from Singapore to Ko Samui is generally £183, our data shows the cheapest flight currently is £115. When looking at the most popular route, (Singapore Changi - Ko Samui), you can expect to pay £418 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 Singapore?

Book flights to Singapore if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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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 10 July 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest£180Average£251FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapest£220Average£288FlexibilityNo 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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