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Cheap flights from Singapore to Ko Samui from ฿5,079

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
5 May — 12 May1
1 adult
1 adult, Economy, 0 bags

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 5 April 2026.

Fri 15/518:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Sun 17/508:00
USM
-
SIN
1 stop5h 25m
Multiple Airlines
Deal found 5/4฿9,669
Thu 7/505:05
SIN
-
USM
2 stops15h 10m
Multiple Airlines
Mon 11/512:30
USM
-
SIN
2 stops17h 45m
Multiple Airlines
Deal found 3/4฿9,735
Wed 20/518:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Wed 27/516:25
USM
-
SIN
Nonstop1h 55m
Multiple Airlines
Deal found 5/4฿9,767
Wed 22/407:30
SIN
-
USM
1 stop13h 55m
Multiple Airlines
Tue 28/409:15
USM
-
SIN
1 stop7h 10m
Multiple Airlines
Deal found 2/4฿9,800
Mon 4/522:55
SIN
-
USM
2 stops21h 20m
Multiple Airlines
Fri 8/508:00
USM
-
SIN
2 stops11h 20m
Multiple Airlines
Deal found 4/4฿9,832
Sun 19/407:00
SIN
-
USM
Nonstop1h 45m
Scoot
Thu 23/419:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 2/4฿9,865
Thu 28/516:30
SIN
-
USM
1 stop4h 55m
Multiple Airlines
Tue 9/617:55
USM
-
SIN
1 stop17h 50m
Multiple Airlines
Deal found 4/4฿9,897
Sun 3/517:55
SIN
-
USM
Nonstop1h 55m
Multiple Airlines
Sun 10/512:30
USM
-
SIN
2 stops17h 45m
Multiple Airlines
Deal found 3/4฿9,930
Sun 19/407:00
SIN
-
USM
Nonstop1h 45m
Multiple Airlines
Thu 23/408:00
USM
-
SIN
1 stop14h 55m
Multiple Airlines
Deal found 5/4฿9,962
Thu 14/516:30
SIN
-
USM
1 stop4h 55m
Multiple Airlines
Sun 24/517:00
USM
-
SIN
1 stop21h 30m
Multiple Airlines
Deal found 2/4฿9,995
Sat 16/507:00
SIN
-
USM
Nonstop1h 45m
Multiple Airlines
Sat 23/508:00
USM
-
SIN
1 stop5h 25m
Multiple Airlines
Deal found 1/4฿10,028
Wed 20/507:30
SIN
-
USM
1 stop5h 25m
Multiple Airlines
Mon 25/519:00
USM
-
SIN
1 stop18h 25m
Multiple Airlines
Deal found 3/4฿10,060

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 5 April 2026.

Round-trip from

฿9,669

One-way from

฿5,079

Popular in

February

Cheapest in

June

Average price

฿12,339
15/5-17/5
  • 15/5-17/5
  • 2 total stops
  • 20h 00m total
  • Singapore to Ko Samui
Search Deals
Scoot
  • Scoot
  • 14/5
  • Nonstop
  • 1h 45m total
  • Singapore to Ko Samui
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿25,947 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿4,657 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 17,341 searches. Data last updated 5 April 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

Mon 4/5

16:25-17:20

Nonstop1h 55m

Ko Samui

Fri 8/5

08:40-11:35

Nonstop1h 55m

฿11,428

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 7/5

07:30-10:30

1 stop4h 00m

Ko Samui

Mon 11/5

11:25-20:20

2 stops7h 55m

฿12,795

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 3/5

20:15-21:10

Nonstop1h 55m

Ko Samui

Tue 5/5

16:25-19:20

Nonstop1h 55m

฿15,139

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 18/4

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 25/4

16:25-19:20

Nonstop1h 55m

฿15,465

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 30/5

20:15-21:10

Nonstop1h 55m

Ko Samui

Wed 3/6

13:30-16:25

Nonstop1h 55m

฿15,465

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 29/5

17:20-18:15

Nonstop1h 55m

Ko Samui

Thu 4/6

13:30-16:25

Nonstop1h 55m

฿16,572

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 31/5

17:20-18:15

Nonstop1h 55m

Ko Samui

Mon 8/6

06:00-12:45

1 stop5h 45m

฿17,451

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 30/4

20:15-21:10

Nonstop1h 55m

Ko Samui

Wed 6/5

13:30-16:25

Nonstop1h 55m

฿18,264

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 18/4

12:45-17:05

1 stop5h 20m

Ko Samui

Sat 25/4

17:25-23:40

1 stop5h 15m

฿20,023
Cheapest one-way
Fastest single journey

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 4/6

17:55-18:50

Nonstop1h 55m

฿5,274

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 21 resultsSorted by cheapest first
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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 3 April 2026.

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, July is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of ฿6,609). Flying from Singapore to Ko Samui in December is currently the most expensive (average of ฿9,572). 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 5 April 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?

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.

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

    The Singapore Changi to Ko Samui flight path was viewed by 5 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?

    Departing from Singapore to Ko Samui will take you 1h 55m. Airlines will cover a distance of 1009 km. Most flights are nonstop.

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

    No one likes to see their flight delayed. When booking a flight from Singapore to Ko Samui consider choosing Scoot(89%), Singapore Airlines(84%) or แอร์ฟร้านซ์(83%), as they are the most reliable in getting you off to your destination on time.

  • 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 ฿6,609). Flying from Singapore to Ko Samui in December is currently the most expensive (average of ฿9,572). 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
Khanom

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 Suvarnabhumi flights
Singapore to Krabi flights
Singapore to Hat Yai 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?

Cheapflights helps you find that perfect flight to Ko Samui from Singapore by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Ko Samui from Singapore? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Singapore to Ko Samui become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ko Samui from Singapore today and book when prices fit your budget.

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