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Cheap flights from Ko Samui to Singapore from S$ 171

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 11-6. Fares are subject to change and may not be available on all flights or dates of travel.
USM — SIN
7 May — 14 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ko Samui to Singapore

Enter your travel dates to find the best prices.

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 7 April 2026.

Thu 14-508:00
USM
-
SIN
1 stop6h 30m
Multiple Airlines
Mon 18-518:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Deal found 6-4S$ 325
Thu 14-508:00
USM
-
SIN
1 stop6h 30m
Multiple Airlines
Sun 17-518:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Deal found 7-4S$ 326
Thu 7-519:45
USM
-
SIN
Nonstop2h 00m
Multiple Airlines
Sun 10-518:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Deal found 6-4S$ 330
Thu 23-419:45
USM
-
SIN
Nonstop2h 00m
Scoot
Sun 26-407:00
SIN
-
USM
Nonstop1h 45m
Scoot
Deal found 7-4S$ 334
Thu 7-519:45
USM
-
SIN
Nonstop2h 00m
Scoot
Sun 10-517:55
SIN
-
USM
Nonstop1h 55m
Scoot
Deal found 6-4S$ 335
Wed 13-519:45
USM
-
SIN
Nonstop2h 00m
Multiple Airlines
Wed 20-518:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Deal found 6-4S$ 337

Find 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 7 April 2026.

Round-trip from

S$ 325

One-way from

S$ 171

Popular in

August

Cheapest in

November

Average price

S$ 454
14-5-18-5
  • 14-5-18-5
  • 2 total stops
  • 21h 05m total
  • Ko Samui to Singapore
Search Deals
11-6
  • 11-6
  • 1 total stop
  • 6h 30m total
  • Ko Samui to Singapore
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (S$ 23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (S$ 19 potential savings vs. average return price).
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Average for round-trip flights in April 2026
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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 200,618 searches. Data last updated 7 April 2026.
Use the filters below to find and compare flights from Ko Samui to Singapore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Mon 14-9

09:15-16:35

1 stop6h 20m

Singapore Changi

Wed 30-9

16:25-17:20

Nonstop1h 55m

S$ 428

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 17-5

08:40-11:35

Nonstop1h 55m

Singapore Changi

Sun 24-5

15:30-20:25

1 stop5h 55m

S$ 432
Fastest return journey

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Mon 28-9

13:30-16:25

Nonstop1h 55m

Singapore Changi

Wed 30-9

17:20-18:15

Nonstop1h 55m

S$ 482

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 17-5

08:40-11:35

Nonstop1h 55m

Singapore Changi

Sun 24-5

17:55-18:50

Nonstop1h 55m

S$ 500

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Wed 23-9

13:30-16:25

Nonstop1h 55m

Singapore Changi

Sun 27-9

17:20-18:15

Nonstop1h 55m

S$ 505

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Fri 29-5

08:40-11:35

Nonstop1h 55m

Singapore Changi

Sun 31-5

17:55-18:50

Nonstop1h 55m

S$ 571

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Thu 7-5

08:00-15:35

2 stops6h 35m

Singapore Changi

Sun 10-5

12:15-20:50

2 stops9h 35m

S$ 616

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 17-5

08:00-17:30

2 stops8h 30m

Singapore Changi

Sun 24-5

09:55-16:55

2 stops8h 00m

S$ 618

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Sun 24-5

13:30-16:25

Nonstop1h 55m

Singapore Changi

Tue 26-5

13:15-16:55

1 stop4h 40m

S$ 626
Cheapest one-way

Ko SamuiSingapore

USM - SIN

USMSIN

Ko Samui

Tue 23-6

12:10-07:15

2 stops18h 05m

S$ 199

Flights are sorted by cheapest return flights first.

Deals found on 5-4

Showing 1-10 of 15 resultsSorted by cheapest first
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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

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

Currently, November is the cheapest month in which you can book a flight from Ko Samui to Singapore (average of S$ 173). Flying from Ko Samui to Singapore in August is currently the most expensive (average of S$ 396). 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 7 April 2026.

When flying from Ko Samui to Singapore, 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 54% versus a flight at midday.

How much does it cost for a return flight from Ko Samui to Singapore?

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?

    This flight path from Ko Samui to Singapore Changi was viewed by 12 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 Ko Samui to Singapore?

    A quick flight from Ko Samui to Singapore can take about 1h 55m. Bangkok Airways provides one of the quickest options available for as low as S$ 482. The distance between Ko Samui and Singapore is about 1009 km. Most flights are nonstop.

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

    Before booking your flight to Singapore from Ko Samui, have a look at the most reliable airlines to get you to your destination on time: Scoot (90%), Singapore Airlines (81%), Etihad Airways( 78%).

  • 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, November is the cheapest month in which you can book a flight from Ko Samui to Singapore (average of S$ 173). Flying from Ko Samui to Singapore in August is currently the most expensive (average of S$ 396). 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

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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 Ko Samui to Singapore?

Deals for Ko Samui to Singapore flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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, we can. To see specific flights from Ko Samui to Singapore with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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