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Cheap flights from Singapore to Ko Samui from S$ 195

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 12-1. 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 Tuesday 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 18 September 2025.

Round-trip from

S$ 368

One-way from

S$ 195

Popular in

December

Cheapest in

May

Average price

S$ 392

Good round-trip deal

S$ 350 or less

Good one-way deal

S$ 238 or less
Scoot
  • Scoot
  • 31-10-7-11
  • Nonstop
  • 4h 05m total
  • Singapore to Ko Samui
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12-1
  • 12-1
  • 1 total stop
  • 10h 40m total
  • Singapore to Ko Samui
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Highest demand for flights based on searches. 3% potential increase in price (S$ 21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 10 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.

Fri 31-1007:00SIN - USM
Nonstop2h 00mScoot
Fri 7-1118:05USM - SIN
Nonstop2h 05mScoot
Deal found 16-9S$ 368
Mon 13-1007:00SIN - USM
Nonstop1h 50mScoot
Sat 25-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 16-9S$ 369
Sat 1-1118:00SIN - USM
Nonstop1h 50mScoot
Sat 8-1108:55USM - SIN
Nonstop2h 00mScoot
Deal found 17-9S$ 370
Tue 14-1016:00SIN - USM
Nonstop1h 45mScoot
Fri 17-1017:40USM - SIN
Nonstop2h 10mScoot
Deal found 15-9S$ 371
Sun 28-917:55SIN - USM
Nonstop1h 50mScoot
Fri 10-1017:40USM - SIN
Nonstop2h 10mScoot
Deal found 17-9S$ 373
Mon 20-1007:00SIN - USM
Nonstop1h 50mScoot
Wed 22-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 17-9S$ 374
Sun 21-917:55SIN - USM
Nonstop1h 50mScoot
Fri 26-919:25USM - SIN
Nonstop2h 00mScoot
Deal found 17-9S$ 375
Sat 4-1017:35SIN - USM
Nonstop1h 55mScoot
Sun 5-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 15-9S$ 378
Tue 14-1016:00SIN - USM
Nonstop1h 45mScoot
Tue 21-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 16-9S$ 379
Fri 10-1017:35SIN - USM
Nonstop1h 55mScoot
Sun 12-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 17-9S$ 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 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

Sat 22-11

07:00-08:00

Nonstop2h 00m

Ko Samui

Sun 30-11

08:55-11:55

Nonstop2h 00m

S$ 370

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 20-10

07:00-07:50

Nonstop1h 50m

Ko Samui

Wed 22-10

08:45-11:45

Nonstop2h 00m

S$ 374

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 12-11

07:00-08:00

Nonstop2h 00m

Ko Samui

Sun 16-11

08:55-11:55

Nonstop2h 00m

S$ 385

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 20-10

06:30-21:35

1 stop16h 05m

Ko Samui

Wed 22-10

08:45-11:45

Nonstop2h 00m

S$ 414

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 16-3

20:10-21:05

Nonstop1h 55m

Ko Samui

Sat 21-3

13:25-16:20

Nonstop1h 55m

S$ 440

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 9-10

14:10-20:25

2 stops7h 15m

Ko Samui

Mon 13-10

08:45-11:45

Nonstop2h 00m

S$ 476

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 3-10

17:35-18:30

Nonstop1h 55m

Ko Samui

Sat 11-10

12:30-00:05

2 stops10h 35m

S$ 493

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 12-1

21:30-07:10

1 stop10h 40m

S$ 195

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 17-11

18:00-18:50

Nonstop1h 50m

S$ 204

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 14-11

18:00-18:50

Nonstop1h 50m

S$ 205

Flights are sorted by cheapest return flights first.

Deals found on 17-9

Showing 1-10 of 18 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, 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 18 September 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.

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.
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.
Bangkok Airways
8.0
Very Good
113 reviews
Check prices

Boarding

8.0

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

6.2

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

Boarding

8.0

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

6.2

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

Boarding

8.0

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

6.2

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?

    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 34 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?

    The Singapore Changi to Ko Samui flight path was viewed by 1,100 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?

    Airlines like Scoot fly from Singapore to Ko Samui in about 2h. The time it takes to get you to your destination is usually consistent. There are 1009 km between Singapore and Ko Samui. Generally, flights for this route are direct.

  • 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$ 312. Another option worth looking into is Bangkok Airways, starting at S$ 415 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 (95%), Lufthansa (94%) or Qatar Airways (94%) 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$ 346 for a flight from Singapore to Ko Samui. The cheapest flight overall is S$ 207 while the most popular route, (Singapore Changi - Ko Samui) is currently priced at S$ 341.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 18 September 2025.
Bangkok Airways flights from Singapore Changi to Ko Samui

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 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapestS$ 312AverageS$ 403FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapestS$ 415AverageS$ 528FlexibilityNo 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 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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