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Cheap flights from Ko Samui to Singapore from $187

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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
USM — SIN
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Ko Samui to Singapore Changi are usually found in September or October, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Ko Samui to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to Singapore (SIN). 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

$423

One-way from

$187

Popular in

August

Cheapest in

September

Average price

$406

Good one-way deal

$300 or less
Scoot
  • Scoot
  • 2/11-9/11
  • Nonstop
  • 4h 00m total
  • Ko Samui to Singapore
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Scoot
  • Scoot
  • 12/2
  • Nonstop
  • 2h 10m total
  • Ko Samui to Singapore
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($32 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 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 one-way flight from Ko Samui to Singapore Changi.
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Find flight deals from Ko Samui to Singapore

Cheapest flights from Ko Samui to Singapore
Explore the most affordable flight options available from Ko Samui to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Sun 2/1108:55USM - SIN
Nonstop2h 00mScoot
Sun 9/1116:10SIN - USM
Nonstop2h 00mScoot
Deal found 18/9$423
Fri 31/1019:45USM - SIN
Nonstop2h 10mScoot
Fri 7/1116:10SIN - USM
Nonstop2h 00mScoot
Deal found 16/9$424
Fri 31/1008:15USM - SIN
1 stop4h 40mMultiple Airlines
Fri 7/1116:10SIN - USM
Nonstop2h 00mMultiple Airlines
Deal found 16/9$451
Sun 2/1108:55USM - SIN
Nonstop2h 00mMultiple Airlines
Sun 9/1120:25SIN - USM
1 stop11h 45mMultiple Airlines
Deal found 18/9$474
Fri 19/913:30USM - SIN
Nonstop1h 55mBangkok Airways
Sun 21/920:15SIN - USM
Nonstop1h 55mBangkok Airways
Deal found 18/9$480
Wed 1/1017:40USM - SIN
Nonstop2h 10mScoot
Sun 5/1016:10SIN - USM
Nonstop1h 55mScoot
Deal found 15/9$555

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ko Samui to Singapore 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 18 September 2025.
Use the filters below to find and compare flights from Ko Samui to Singapore that are best for you.

Fly from

Ko Samui

Fly to

Singapore

Route

Depart

Return

Price

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 2/11

08:55-11:55

Nonstop2h 00m

Singapore Changi

Sun 9/11

16:10-17:10

Nonstop2h 00m

$423

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Fri 31/10

19:45-22:55

Nonstop2h 10m

Singapore Changi

Fri 7/11

16:10-17:10

Nonstop2h 00m

$424

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Fri 31/10

08:15-13:55

1 stop4h 40m

Singapore Changi

Fri 7/11

16:10-17:10

Nonstop2h 00m

$451

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 2/11

07:55-15:30

1 stop6h 35m

Singapore Changi

Sun 9/11

20:25-07:10

1 stop11h 45m

$538

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Wed 1/10

17:40-20:50

Nonstop2h 10m

Singapore Changi

Sun 5/10

16:10-17:05

Nonstop1h 55m

$555

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Thu 12/2

19:45-22:55

Nonstop2h 10m

$187

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 30/9

17:40-20:50

Nonstop2h 10m

$190

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 24/2

08:15-11:10

Nonstop1h 55m

$244

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 30/9

19:00-12:45

1 stop16h 45m

$261

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Thu 12/2

08:50-20:30

2 stops10h 40m

$262

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 13 results
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Best time to book a flight from Ko Samui to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Ko Samui 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 Ko Samui to Singapore

How far ahead should I book a flight from Ko Samui to Singapore?

Use this chart to determine the optimal time to book a return flight from Ko Samui to Singapore. Price data was last updated on 12 September 2025.

The best time to book flights from Ko Samui to Singapore is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from Ko Samui to Singapore (average of $355). Flying from Ko Samui to Singapore in December is currently the most expensive (average of $752). 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 USM to SIN?

Find hourly flight availability from Ko Samui to Singapore. 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 Ko Samui to Singapore in the morning. By choosing this option you can save up to 62% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Ko Samui to Singapore. 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 Ko Samui to Singapore flight route?

    Flights from Ko Samui to Singapore Changi have been viewed 34 times in the past calendar month.

  • How long is the flight from Ko Samui to Singapore?

    There are many flights that can get you from Ko Samui to Singapore in 2h. Fly via Scoot to get the fastest option. Airlines will cover a distance of 1009 km. Generally, flights for this route are direct.

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

    No one likes to see their flight delayed. When booking a flight from Ko Samui to Singapore consider choosing Scoot(91%), Qatar Airways(90%) or Thai Airways(90%), as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Ko Samui to Singapore is $179. On average you can expect to pay $436. The most popular route, (Ko Samui - Singapore Changi), can usually be booked for $421.

  • Can I find deals for flights from Ko Samui to Singapore that include hotel bookings?

    Yes. In addition to deals on Ko Samui to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ko Samui to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ko Samui to Singapore.

  • Can I find deals for business class flights from Ko Samui to Singapore?

    Yes. Cheapflights offers flight deals from Ko Samui to Singapore 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 Ko Samui to Singapore?

    Currently, May is the cheapest month in which you can book a flight from Ko Samui to Singapore (average of $355). Flying from Ko Samui to Singapore in December is currently the most expensive (average of $752). 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

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

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How does Cheapflights help users find flights from Ko Samui to Singapore?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to Singapore. 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 Ko Samui to Singapore?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ko Samui to Singapore for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Ko Samui to Singapore with no change fees.

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