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Cheap flights from Singapore to Ko Samui from S$ 204

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 14-6. 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 Monday or Tuesday and return on a Monday

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.

Thu 23-417:55
SIN
-
USM
Nonstop1h 55m
Scoot
Mon 27-419:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 20-3S$ 383
Tue 5-517:55
SIN
-
USM
Nonstop1h 55m
Scoot
Tue 12-519:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 20-3S$ 386
Thu 21-516:25
SIN
-
USM
Nonstop1h 55m
Scoot
Mon 25-519:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 22-3S$ 387
Wed 15-417:55
SIN
-
USM
Nonstop1h 55m
Scoot
Wed 6-519:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 20-3S$ 388
Fri 22-517:55
SIN
-
USM
Nonstop1h 55m
Multiple Airlines
Wed 27-516:25
USM
-
SIN
Nonstop1h 55m
Multiple Airlines
Deal found 20-3S$ 391
Sun 22-307:00
SIN
-
USM
Nonstop2h 00m
Scoot
Thu 26-319:45
USM
-
SIN
Nonstop2h 10m
Scoot
Deal found 21-3S$ 392
Mon 23-307:00
SIN
-
USM
Nonstop2h 00m
Scoot
Fri 27-319:45
USM
-
SIN
Nonstop2h 10m
Scoot
Deal found 22-3S$ 394
Sat 2-517:55
SIN
-
USM
Nonstop1h 55m
Multiple Airlines
Sat 9-508:00
USM
-
SIN
1 stop5h 25m
Multiple Airlines
Deal found 18-3S$ 395
Sun 3-507:00
SIN
-
USM
Nonstop1h 45m
Multiple Airlines
Sun 10-519:00
USM
-
SIN
1 stop20h 35m
Multiple Airlines
Deal found 19-3S$ 396
Tue 5-515:30
SIN
-
USM
1 stop5h 55m
Multiple Airlines
Fri 8-517:55
USM
-
SIN
1 stop5h 00m
Multiple Airlines
Deal found 20-3S$ 397

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

S$ 383

One-way from

S$ 204

Popular in

February

Cheapest in

June

Average price

S$ 469

Good round-trip deal

S$ 395 or less

Good one-way deal

S$ 246 or less
Scoot
  • Scoot
  • 23-4-27-4
  • Nonstop
  • 3h 45m total
  • Singapore to Ko Samui
Search Deals
14-6
  • 14-6
  • 1 total stop
  • 5h 55m total
  • Singapore to Ko Samui
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (S$ 41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Singapore Changi to Ko Samui.
Search Deals
Price to beat on a one-way flight from Singapore Changi to Ko Samui.
Search Deals

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 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 15-5

20:15-21:10

Nonstop1h 55m

Ko Samui

Sun 17-5

16:25-19:20

Nonstop1h 55m

S$ 397

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 18-5

20:15-21:10

Nonstop1h 55m

Ko Samui

Wed 20-5

16:25-19:20

Nonstop1h 55m

S$ 418

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 14-9

20:15-21:10

Nonstop1h 55m

Ko Samui

Fri 18-9

13:30-16:25

Nonstop1h 55m

S$ 441

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 18-4

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 25-4

08:20-11:15

Nonstop1h 55m

S$ 444

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

S$ 494

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

S$ 645

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 18-4

12:45-16:50

1 stop5h 05m

Ko Samui

Sat 25-4

17:25-23:40

1 stop5h 15m

S$ 773

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

S$ 782
Cheapest one-way

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 20-5

20:55-07:10

1 stop11h 15m

S$ 212
Fastest single journey

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 8-7

07:00-07:45

Nonstop1h 45m

S$ 212

Flights are sorted by cheapest return flights first.

Deals found on 21-3

Showing 1-10 of 19 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 S$ 245). Flying from Singapore to Ko Samui in December is currently the most expensive (average of S$ 377). 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Ko Samui as you normally would.

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.
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
8.1
Very Good
128 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.3

Entertainment

6.3

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
Bangkok Airways
8.1
Very Good
128 reviews
Bangkok Airways
8.1
Very Good
128 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.3

Entertainment

6.3

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
Scoot
6.7
Okay
320 reviews
Bangkok Airways
8.1
Very Good
128 reviews
Check prices

Overall

8.1

Crew

8.6

Comfort

8.0

Boarding

8.1

Food

7.3

Entertainment

6.3

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?

    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 33 flights from Changi to Ko Samui, all of which are around 1h 45m 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 733 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 Bangkok Airways fly from Singapore to Ko Samui in about 1h 55m. 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$ 305. Another option worth looking into is Bangkok Airways, starting at S$ 391 round trip. Scoot is priced at 29% 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 Scoot (86%), Singapore Airlines (83%) or Air France (82%) 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$ 399 for a flight from Singapore to Ko Samui. The cheapest flight overall is S$ 200 while the most popular route, (Singapore Changi - Ko Samui) is currently priced at S$ 253.

  • 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 S$ 245). Flying from Singapore to Ko Samui in December is currently the most expensive (average of S$ 377). 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

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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 22 March 2026.
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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapestS$ 310AverageS$ 398FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapestS$ 393AverageS$ 479FlexibilityNo 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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