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Ko Samui

$173+ Cheap flights from Singapore (SIN) to Ko Samui (USM)

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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in September or May, booked 27 days in advance, depart on a Sunday or Saturday and return on a Saturday

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 June 12, 2025.

Round-trip from

$273
(Expedia)

One-way from

$173
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$310

Good round-trip deal

$282 or less

Good one-way deal

$157 or less
From Singapore Changi to Ko Samui
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One-way flight from Singapore Changi to Ko Samui
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Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Singapore Changi to Ko Samui.
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Price to beat on a one-way flight from Singapore Changi to Ko Samui.
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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 June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/257:00 amSIN - USM
Nonstop1h 50mScoot
Fri 8/17:25 pmUSM - SIN
Nonstop2h 00mScoot
Deal found 6/10$273
This Mytrip deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:55 pmSIN - USM
1 stop10h 25mMultiple Airlines
Fri 9/128:45 amUSM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 6/12$287
This Bangkok Airways deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bangkok Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/245:20 pmSIN - USM
Nonstop1h 55mBangkok Airways
Sat 6/288:20 amUSM - SIN
Nonstop1h 55mBangkok Airways
Deal found 6/10$344
This CheapOair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/206:15 pmSIN - USM
1 stop14h 20mThai Airways
Mon 6/237:10 pmUSM - SIN
1 stop15h 05mThai Airways
Deal found 6/11$611
This oojo deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:20 amSIN - USM
2 stops22h 15mPhilippine Airlines
Thu 9/112:35 pmUSM - SIN
2 stops17h 50mPhilippine Airlines
Deal found 6/12$775
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:00 pmSIN - USM
2 stops21h 45mVietnam Airlines
Sat 8/168:00 amUSM - SIN
2 stops11h 00mVietnam Airlines
Deal found 6/10$1,084

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 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

Fri 7/25

7:00 am-7:50 am

Nonstop1h 50m

Ko Samui

Fri 8/1

7:25 pm-10:25 pm

Nonstop2h 00m

$273

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 8/29

9:55 pm-7:20 am

1 stop10h 25m

Ko Samui

Fri 9/12

8:45 am-11:45 am

Nonstop2h 00m

$287

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 6/24

5:20 pm-6:15 pm

Nonstop1h 55m

Ko Samui

Sat 6/28

8:20 am-11:15 am

Nonstop1h 55m

$344

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 8/28

12:20 am-8:50 pm

2 stops21h 30m

Ko Samui

Fri 9/12

8:00 am-6:55 pm

2 stops33h 55m

$775

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 8/13

9:00 pm-5:45 pm

2 stops21h 45m

Ko Samui

Sat 8/16

8:00 am-8:00 pm

2 stops11h 00m

$1,084

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 11/9

8:15 am-12:35 pm

1 stop5h 20m

Ko Samui

Thu 11/20

9:20 am-6:15 pm

1 stop7h 55m

$1,658

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 7/20

12:25 pm-6:00 pm

1 stop6h 35m

$173

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 7/20

5:20 pm-6:15 pm

Nonstop1h 55m

$247

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 6/24

12:20 am-9:35 pm

2 stops22h 15m

$328

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 7/6

1:50 am-6:35 pm

1 stop17h 45m

$3,011

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

The best insider tips for Singapore to Ko Samui flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to Ko Samui trip
Airports
SIN

For a smooth departure, check-in online and use early check-in desks at Jewel to avoid queues.

Read more about SINby Yulia Denisyuk
USM

Upon arrival at USM, pre-arrange transportation as taxis can't queue at the airport. Consider using the Grab app for low rates.

Read more about USMby Ramsey Qubein
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on USM

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 round-trip 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 round-trip flight from Singapore to Ko Samui. Price data was last updated on June 9, 2025.

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 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 June 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 45% on flights from Singapore to Ko Samui by exploring options for tickets at noon.

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 June 12, 2025.

The most flights from SIN to USM are scheduled on a Tuesday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 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 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

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 June 12, 2025.
To help decide which airline to fly from Singapore to Ko Samui, see what other customers have to say about Bangkok Airways, Thai Airways and Cathay Pacific. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very good
111 reviews

Entertainment

6.2

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

7.9

Food

7.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very good
111 reviews
Bangkok Airways
8.0
Very good
111 reviews

Entertainment

6.2

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

7.9

Food

7.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Thai Airways
7.7
Good
335 reviews
Bangkok Airways
8.0
Very good
111 reviews

Entertainment

6.2

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

7.9

Food

7.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Cathay Pacific
7.6
Good
892 reviews
Bangkok Airways
8.0
Very good
111 reviews

Entertainment

6.2

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

7.9

Food

7.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Vietnam Airlines
7.5
Good
194 reviews
Bangkok Airways
8.0
Very good
111 reviews

Entertainment

6.2

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

7.9

Food

7.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Philippine Airlines
7.2
Good
871 reviews
Bangkok Airways
8.0
Very good
111 reviews

Entertainment

6.2

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

7.9

Food

7.2

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

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 31 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?

    Flights from Singapore Changi to Ko Samui have been viewed 13 times in the past calendar month.

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

    According to our current data, Scoot ($273), Bangkok Airways ($344), and Philippine Airlines ($775) offers the cheapest pricing from Singapore to Ko Samui. These flights start at 19% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Singapore to Ko Samui are Bangkok Airways ($247), Philippine Airlines ($328), and Cathay Pacific ($3,011).

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

    Consider Emirates (84%), Air France (84%) or SWISS (84%) when booking your flight. These represent the most reliable airlines when flying from Singapore to Ko Samui.

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

    While on average a flight from Singapore to Ko Samui is generally $255, our data shows the cheapest flight currently is $154. When looking at the most popular route, (Singapore Changi - Ko Samui), you can expect to pay $398 for that flight.

  • 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 vacation 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.

See more FAQs

Traveling to a place near Singapore?

Book flights to Singapore if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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Alternative routes for Singapore to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$262Average$350FlexibilityNo cancel feeOn-timeN/A
Bangkok AirwaysCheapest$314Average$448FlexibilityNo cancel feeOn-time74%

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