Cheap flights from Singapore to Ko Samui from S$ 191

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 15-10. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
20 Aug — 27 Aug1
1 adult

Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in May or September, booked 58 days in advance, depart on a Monday or Sunday and return on a Monday

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 15 August 2025.

Round-trip from

S$ 356

One-way from

S$ 191

Popular in

December

Cheapest in

May

Average price

S$ 447

Good round-trip deal

S$ 372 or less

Good one-way deal

S$ 213 or less
Scoot
  • Scoot
  • 27-9-4-10
  • Nonstop
  • 3h 55m total
  • Singapore to Ko Samui
Scoot
  • Scoot
  • 15-10
  • Nonstop
  • 1h 55m total
  • Singapore to Ko Samui
Highest demand for flights based on searches. 5% potential increase in price (S$ 31 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 10 potential savings vs. average return price).
Average for round-trip flights in August 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 15 August 2025.

Sat 27-917:35SIN - USM
Nonstop1h 55mScoot
Sat 4-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 13-8S$ 356
Wed 8-1016:00SIN - USM
Nonstop1h 45mScoot
Mon 13-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 13-8S$ 358
Sat 13-907:00SIN - USM
Nonstop1h 50mScoot
Sat 20-908:45USM - SIN
Nonstop2h 00mScoot
Deal found 14-8S$ 359
Sat 27-917:35SIN - USM
Nonstop1h 55mScoot
Wed 1-1017:40USM - SIN
Nonstop2h 10mScoot
Deal found 13-8S$ 360
Thu 13-1117:30SIN - USM
1 stop14h 40mMultiple Airlines
Fri 21-1111:45USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 13-8S$ 368
Fri 26-917:35SIN - USM
Nonstop1h 55mScoot
Wed 1-1019:25USM - SIN
Nonstop2h 00mScoot
Deal found 13-8S$ 371
Wed 24-921:40SIN - USM
1 stop10h 40mMultiple Airlines
Tue 30-919:25USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 13-8S$ 377
Sun 14-1207:00SIN - USM
Nonstop2h 00mScoot
Fri 19-1208:55USM - SIN
Nonstop2h 00mScoot
Deal found 14-8S$ 381
Fri 10-1016:00SIN - USM
Nonstop1h 45mScoot
Sat 11-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 13-8S$ 382

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 200,618 searches. Data last updated 15 August 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

Sat 27-9

17:35-18:30

Nonstop1h 55m

Ko Samui

Sat 4-10

08:45-11:45

Nonstop2h 00m

S$ 356

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 9-10

07:00-07:50

Nonstop1h 50m

Ko Samui

Sat 11-10

12:05-15:05

Nonstop2h 00m

S$ 358

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 9-10

17:35-18:30

Nonstop1h 55m

Ko Samui

Mon 13-10

08:45-11:45

Nonstop2h 00m

S$ 358

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 8-10

17:35-18:30

Nonstop1h 55m

Ko Samui

Sat 11-10

08:45-11:45

Nonstop2h 00m

S$ 358

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 8-10

16:00-16:45

Nonstop1h 45m

Ko Samui

Mon 13-10

08:45-11:45

Nonstop2h 00m

S$ 358

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 19-9

16:00-16:45

Nonstop1h 45m

Ko Samui

Sun 21-9

08:45-11:45

Nonstop2h 00m

S$ 358

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 13-9

07:00-07:50

Nonstop1h 50m

Ko Samui

Sat 20-9

08:45-11:45

Nonstop2h 00m

S$ 359

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 27-9

17:35-18:30

Nonstop1h 55m

Ko Samui

Wed 1-10

17:40-20:50

Nonstop2h 10m

S$ 360

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 25-10

17:35-18:30

Nonstop1h 55m

Ko Samui

Fri 31-10

08:55-11:55

Nonstop2h 00m

S$ 362

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 15-10

17:35-18:30

Nonstop1h 55m

S$ 191

Flights are sorted by cheapest return flights first.

Deals found on 15-8

Showing 1-10 of 20 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 8 August 2025.

To ensure you get the cheapest price possible for a flight from Singapore to Ko Samui, you should look to book at least 58 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, September is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of S$ 282). Flying from Singapore to Ko Samui in January is currently the most expensive (average of S$ 385). 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 15 August 2025.

It’s optimal to fly from Singapore to Ko Samui in the morning. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

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 15 August 2025.

The most flights from SIN to USM are scheduled on a Tuesday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).

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 15 August 2025.
Read reviews from past customers who have flown with Bangkok Airways and Scoot from Singapore to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

6.3

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.

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

6.3

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.

Crew

8.5

Boarding

8.0

Food

7.2

Comfort

7.9

Entertainment

6.3

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?

    Booking a flight from Singapore Changi (SIN) to Ko Samui (USM) is your only option if you wish to fly from Singapore to Ko Samui. On a typical day, there are 31 flights from Changi to Ko Samui, all of which are around 1h 50m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Changi to Ko Samui.

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

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

    Flying on Scoot is currently your cheapest option to Ko Samui, with prices starting at S$ 319. Another option worth looking into is Bangkok Airways, starting at S$ 419 round trip. Scoot is priced at 27% 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?

    Consider Etihad Airways (96%), Lufthansa (93%) or Qatar Airways (93%) when booking your flight. These represent the most reliable airlines when flying from Singapore to Ko Samui.

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

    On average you can expect to pay S$ 370 for a flight from Singapore to Ko Samui. The cheapest flight overall is S$ 204 while the most popular route, (Singapore Changi - Ko Samui) is currently priced at S$ 329.

  • 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, September is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of S$ 282). Flying from Singapore to Ko Samui in January is currently the most expensive (average of S$ 385). 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

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Fly from Singapore to Ko Samui on these airlines

Choose from the following airlines for your flight from Singapore to Ko Samui. Flights are based on user searches made on Cheapflights and were last updated on 15 August 2025.

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 200,618 searches. Data last updated 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapestS$ 319AverageS$ 406FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapestS$ 419AverageS$ 533FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Singapore to Ko Samui flexibly with Cheapflights today.

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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