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Cheap flights from Singapore to Ko Samui from $268

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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
3 Aug — 10 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in October or September, booked 36 days in advance, depart on a Thursday or Saturday and return on a Wednesday

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 4 July 2026.

Wed 12/807:00
SIN
-
USM
Nonstop1h 45m
Scoot
Mon 17/819:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 1/7$421
Mon 24/807:00
SIN
-
USM
Nonstop1h 45m
Scoot
Fri 28/819:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 30/6$422
Thu 3/1218:05
SIN
-
USM
Nonstop1h 45m
Scoot
Wed 9/1219:45
USM
-
SIN
Nonstop2h 10m
Scoot
Deal found 29/6$429
Mon 24/818:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Fri 28/819:45
USM
-
SIN
Nonstop2h 00m
Multiple Airlines
Deal found 30/6$467
Fri 18/907:30
SIN
-
USM
1 stop4h 00m
Multiple Airlines
Sun 27/908:40
USM
-
SIN
Nonstop1h 55m
Multiple Airlines
Deal found 3/7$483
Thu 27/807:00
SIN
-
USM
Nonstop1h 45m
Scoot
Mon 31/808:40
USM
-
SIN
Nonstop1h 55m
Scoot
Deal found 29/6$489
Wed 26/817:55
SIN
-
USM
Nonstop1h 55m
Scoot
Fri 11/911:05
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 29/6$496
Wed 12/818:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Mon 17/819:45
USM
-
SIN
Nonstop2h 00m
Multiple Airlines
Deal found 1/7$523
Mon 19/1016:25
SIN
-
USM
Nonstop1h 55m
Scoot
Thu 22/1019:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 1/7$551

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 4 July 2026.

Round-trip from

$421

One-way from

$268

Popular in

April

Cheapest in

October

Average price

$556

Good round-trip deal

$604 or less

Good one-way deal

$333 or less
Scoot
  • Scoot
  • 12/8-17/8
  • Nonstop
  • 3h 45m total
  • Singapore to Ko Samui
Search Deals
Scoot
  • Scoot
  • 1/8
  • Nonstop
  • 1h 55m total
  • Singapore to Ko Samui
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($37 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 647,157 searches. Data last updated 4 July 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

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 19/10

16:25-17:20

Nonstop1h 55m

Ko Samui

Thu 22/10

19:45-22:45

Nonstop2h 00m

$553

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 26/8

07:00-07:45

Nonstop1h 45m

Ko Samui

Fri 11/9

08:00-20:25

2 stops11h 25m

$607

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 18/9

12:10-18:00

2 stops6h 50m

Ko Samui

Sun 27/9

08:00-14:25

1 stop5h 25m

$615

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 18/8

20:15-21:10

Nonstop1h 55m

Ko Samui

Sat 29/8

08:30-14:30

1 stop5h 00m

$852

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 31/12

19:15-07:10

1 stop12h 55m

Ko Samui

Sun 28/2

16:25-19:20

Nonstop1h 55m

$870

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 19/8

17:20-18:15

Nonstop1h 55m

Ko Samui

Thu 27/8

08:30-17:05

1 stop7h 35m

$914

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 19/10

13:10-21:35

2 stops9h 25m

Ko Samui

Thu 22/10

07:50-17:25

2 stops8h 35m

$930

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 21/8

17:20-18:15

Nonstop1h 55m

Ko Samui

Mon 24/8

08:10-14:30

1 stop5h 20m

$943

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 4/8

20:15-21:10

Nonstop1h 55m

Ko Samui

Sun 23/8

07:30-14:30

1 stop6h 00m

$964
Fastest return journey

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 27/12

07:00-08:00

Nonstop2h 00m

Ko Samui

Thu 31/12

08:55-11:45

Nonstop1h 50m

$1,051

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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?

The price you pay for your flight from Singapore to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Singapore to Ko Samui?

Currently, October is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $442). Flying from Singapore to Ko Samui in April is currently the most expensive (average of $581). 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 4 July 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 4 July 2026.
See what other customers who have flown with Bangkok Airways and Scoot from Singapore to Ko Samui have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Overall

8.1

Boarding

8.1

Comfort

7.9

Food

7.3

Crew

8.6

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
134 reviews
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Overall

8.1

Boarding

8.1

Comfort

7.9

Food

7.3

Crew

8.6

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
325 reviews
Bangkok Airways
8.1
Very Good
134 reviews
Check prices

Overall

8.1

Boarding

8.1

Comfort

7.9

Food

7.3

Crew

8.6

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?

    You will need to book a flight from Singapore Changi to Ko Samui if you want to fly from Singapore to Ko Samui. At least 2 different airlines have flights from Changi (SIN) to Ko Samui (USM) on a regular basis. There are 34 flights to Ko Samui from the Singapore airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SIN to USM to be around 2h 00m.

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

    The Singapore Changi to Ko Samui flight path was viewed by 62 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?

    There are many flights that can get you from Singapore to Ko Samui in 1h 55m. Fly via Scoot or Bangkok Airways to get the fastest option. Singapore and Ko Samui are separated by a distance of 1009 km. Generally, flights for this route are direct.

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

    Currently priced at $375, Scoot will fly you from Singapore to Ko Samui and back. In addition to Scoot, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Bangkok Airways for as low as $453. Users have found that Scoot is 26% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Singapore to Ko Samui?

    Before booking your flight to Ko Samui from Singapore, have a look at the most reliable airlines to get you to your destination on time: Air France (95%), Lufthansa (95%), Qatar Airways( 93%).

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

    Looking at all options, your cheapest flight can be booked for $257. While the most popular route (Singapore Changi - Ko Samui) can be booked for $842 on average, our data indicates $756 when flying from Singapore to Ko Samui.

  • 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, October is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $442). Flying from Singapore to Ko Samui in April is currently the most expensive (average of $581). 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 Tao
Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Singapore to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Phuket City flights
Singapore to Suvarnabhumi flights

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 647,157 searches. Data last updated 4 July 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$375Average$520FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapest$453Average$533FlexibilityNo 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 helps you search for flights from Singapore to Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Ko Samui?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui from Singapore.

Can Cheapflights find flights from Singapore to Ko Samui with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to Ko Samui, users can toggle the no change fees filter when performing a flight search.

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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