Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Singapore to Ko Samui from $317

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
17 Apr — 24 Apr1
1 adult

Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in September or May, booked 64 days in advance, depart on a Tuesday or Friday and return on a Wednesday

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 12 April 2025.

Round-trip from

$434

One-way from

$317

Popular in

December

Cheapest in

September

Average price

$613

Good round-trip deal

$512 or less

Good one-way deal

$253 or less
Scoot
  • Scoot
  • 11/5-18/5
  • Nonstop
  • 3h 50m total
  • Singapore to Ko Samui
Bangkok Airways
  • Bangkok Airways
  • 15/5
  • Nonstop
  • 1h 55m total
  • Singapore to Ko Samui
Highest demand for flights based on searches. 5% potential increase in price ($52 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average return price).
Average for round-trip flights in April 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 12 April 2025.

Sun 11/507:00SIN - USM
Nonstop1h 50mScoot
Sun 18/508:45USM - SIN
Nonstop2h 00mScoot
Deal found 11/4$434
Sun 18/521:40SIN - USM
1 stop18h 10mMultiple Airlines
Tue 27/507:00USM - SIN
2 stops36h 15mMultiple Airlines
Deal found 12/4$443
Sun 16/1117:20SIN - USM
Nonstop1h 55mBangkok Airways
Sat 22/1108:15USM - SIN
Nonstop1h 55mBangkok Airways
Deal found 11/4$528
Tue 23/914:35SIN - USM
2 stops26h 10mPhilippine Airlines
Wed 24/918:55USM - SIN
2 stops13h 30mPhilippine Airlines
Deal found 11/4$1,255
Thu 24/413:10SIN - USM
2 stops32h 45mVietnam Airlines
Wed 30/408:00USM - SIN
2 stops32h 25mVietnam Airlines
Deal found 11/4$1,361
Fri 19/906:20SIN - USM
2 stops10h 25mMalaysia Airlines
Mon 29/910:05USM - SIN
2 stops9h 20mMalaysia Airlines
Deal found 11/4$3,772
Mon 14/408:00SIN - USM
2 stops14h 00mCathay Pacific
Thu 17/410:55USM - SIN
1 stop17h 35mCathay Pacific
Deal found 11/4$7,265

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 12 April 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

Sun 18/5

21:40-14:50

1 stop18h 10m

Ko Samui

Tue 27/5

07:00-20:15

2 stops36h 15m

$443

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 28/9

20:15-21:10

Nonstop1h 55m

Ko Samui

Sat 11/10

13:30-16:25

Nonstop1h 55m

$535

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 23/9

20:00-18:30

2 stops23h 30m

Ko Samui

Thu 25/9

10:05-23:20

2 stops12h 15m

$1,255

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 24/4

13:10-20:55

2 stops32h 45m

Ko Samui

Wed 30/4

08:00-17:25

2 stops32h 25m

$1,361

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 19/9

06:20-15:45

2 stops10h 25m

Ko Samui

Mon 29/9

10:05-20:25

2 stops9h 20m

$3,772

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 8/5

01:50-18:35

1 stop17h 45m

Ko Samui

Mon 12/5

08:45-00:50

2 stops15h 05m

$7,265

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 15/5

17:20-18:15

Nonstop1h 55m

$317

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 15/5

06:20-16:35

2 stops11h 15m

$451

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 19/6

00:20-15:45

2 stops16h 25m

$757

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 14/5

01:50-18:35

1 stop17h 45m

$4,729

Flights are sorted by cheapest return flights first.

Deals found on 11/4

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 4 April 2025.

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 64 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, August is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $533). Flying from Singapore to Ko Samui in December is currently the most expensive (average of $1,051). 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 12 April 2025.

When flying from Singapore to Ko Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 21% versus 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 12 April 2025.

The most flights from SIN to USM are scheduled on a Tuesday (38 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (26 on average).

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

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 12 April 2025.
Peruse reviews from past customers who have flown with Bangkok Airways, Vietnam Airlines and Cathay Pacific from Singapore to Ko Samui to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Boarding

7.9

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,June 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Food

7.2

Boarding

7.9

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,June 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Food

7.2

Boarding

7.9

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,June 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Food

7.2

Boarding

7.9

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,June 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Food

7.2

Boarding

7.9

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,June 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Food

7.2

Boarding

7.9

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

6.2

Reviews

1 / 6
4.0
Okay

Derick,June 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

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 32 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?

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

    Currently priced at $434, 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. Search Cheapflights for deals from Bangkok Airways and Philippine Airlines - these airlines can fly you to your destination from $535 and $1,255, respectively. Users have found that Scoot is 20% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Singapore to Ko Samui one-way?

    For one-way options, check prices for Bangkok Airways. According to our data, you can fly for as low as $317. Users have also found prices from $757 and $4,729 on Philippine Airlines and Cathay Pacific, respectively.

  • 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: Etihad Airways (94%), Lufthansa (91%), Qatar Airways( 90%).

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

    Looking at all options, your cheapest flight can be booked for $244. While the most popular route (Singapore Changi - Ko Samui) can be booked for $935 on average our data indicates $426 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, August is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $533). Flying from Singapore to Ko Samui in December is currently the most expensive (average of $1,051). 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 Singapore?

Book flights to Singapore 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

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.

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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$408Average$521FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Bangkok AirwaysCheapest$521Average$620FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.