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S$ 191+ Cheap flights to Ko Samui

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 15-10. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
23 Aug — 30 Aug1
1 adult

Flights to Ko Samui in 2025

Find the latest flights to Ko Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 18 August 2025.

Return from

S$ 359

One-way from

S$ 195

Popular in

December

Cheapest in

May

Average price

S$ 447

Good round-trip deal

S$ 372 or less

Good one-way deal

S$ 213 or less
Scoot
  • Scoot
  • 19-9-21-9
  • Nonstop
  • 3h 55m total
  • Singapore to Ko Samui
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Scoot
  • Scoot
  • 18-9
  • Nonstop
  • 1h 55m total
  • Singapore to Ko Samui
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (S$ 31 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 10 potential savings vs. average return price).
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Average for return flights in August 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 to Ko Samui

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 18 August 2025.

Fri 19-917:35SIN - USM
Nonstop1h 55mScoot
Sun 21-908:45USM - SIN
Nonstop2h 00mScoot
Deal found 17-8S$ 359
Sat 13-907:00SIN - USM
Nonstop1h 50mScoot
Thu 18-908:45USM - SIN
Nonstop2h 00mScoot
Deal found 17-8S$ 360
Mon 15-920:50SIN - USM
1 stop11h 30mMultiple Airlines
Thu 25-908:45USM - SIN
Nonstop2h 00mMultiple Airlines
Deal found 17-8S$ 368
Fri 29-817:35SIN - USM
Nonstop1h 55mScoot
Sun 7-908:45USM - SIN
Nonstop2h 00mScoot
Deal found 18-8S$ 370
Thu 16-1017:35SIN - USM
Nonstop1h 55mScoot
Mon 20-1008:45USM - SIN
Nonstop2h 00mScoot
Deal found 17-8S$ 372
Fri 12-916:00SIN - USM
Nonstop1h 45mScoot
Wed 17-912:05USM - SIN
Nonstop2h 00mScoot
Deal found 17-8S$ 373
Fri 12-907:00SIN - USM
Nonstop1h 50mScoot
Fri 19-919:25USM - SIN
Nonstop2h 00mScoot
Deal found 17-8S$ 374
Sat 30-817:35SIN - USM
Nonstop1h 55mScoot
Sun 7-908:45USM - SIN
Nonstop2h 00mScoot
Deal found 16-8S$ 376
Sat 30-817:35SIN - USM
Nonstop1h 55mScoot
Sat 6-908:45USM - SIN
Nonstop2h 00mScoot
Deal found 16-8S$ 377
Sat 27-917:35SIN - USM
Nonstop1h 55mScoot
Mon 29-919:25USM - SIN
Nonstop2h 00mScoot
Deal found 17-8S$ 378
Fri 12-1207:00SIN - USM
Nonstop2h 00mScoot
Tue 16-1208:55USM - SIN
Nonstop2h 00mScoot
Deal found 16-8S$ 381
Fri 26-916:00SIN - USM
Nonstop1h 45mScoot
Sun 28-908:45USM - SIN
Nonstop2h 00mScoot
Deal found 16-8S$ 382

Cheapflights Fare Finder

 
Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 200,618 searches and data was last updated on 18 August 2025.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Singapore

Route

Depart

Return

Price

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 14-11

18:00-18:50

Nonstop1h 50m

Ko Samui

Sun 16-11

08:55-11:55

Nonstop2h 00m

S$ 359

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 27-9

17:35-18:30

Nonstop1h 55m

Ko Samui

Tue 30-9

08:45-11:45

Nonstop2h 00m

S$ 359

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 19-9

07:00-07:50

Nonstop1h 50m

Ko Samui

Sun 21-9

08:45-11:45

Nonstop2h 00m

S$ 359

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 20-9

17:35-18:30

Nonstop1h 55m

Ko Samui

Fri 26-9

08:45-11:45

Nonstop2h 00m

S$ 359

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 22-9

07:00-07:50

Nonstop1h 50m

Ko Samui

Tue 7-10

08:45-11:45

Nonstop2h 00m

S$ 360

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 22-9

17:35-18:30

Nonstop1h 55m

Ko Samui

Wed 8-10

08:45-11:45

Nonstop2h 00m

S$ 360

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 16-10

07:00-07:50

Nonstop1h 50m

Ko Samui

Tue 21-10

08:45-11:45

Nonstop2h 00m

S$ 368

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 27-9

17:35-18:30

Nonstop1h 55m

Ko Samui

Wed 1-10

08:45-11:45

Nonstop2h 00m

S$ 370

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 29-8

17:35-18:30

Nonstop1h 55m

Ko Samui

Sun 7-9

08:45-11:45

Nonstop2h 00m

S$ 370

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 31-8

17:55-18:45

Nonstop1h 50m

Ko Samui

Mon 8-9

08:45-11:45

Nonstop2h 00m

S$ 372

Flights are sorted by cheapest return flights first.

Deals found on 16-8

Showing 1-10 of 23 results
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Best time to book a flight to Ko Samui

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

When is the best time to book a flight 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 8 August 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Ko Samui?

On average, a flight from Singapore to Ko Samui takes 1 hour 50 minutes. Flights to Ko Samui from other popular cities in Singapore will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Ko Samui

The most flights from Singapore to Ko Samui are scheduled on a Tuesday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

What are the most popular airlines that fly to Ko Samui?

The most popular airlines flying from Singapore to Ko Samui are Scoot and Bangkok Airways.

Scoot
Scoot
From S$ 248
Bangkok Airways
Bangkok Airways
From S$ 325

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from Singapore to Ko Samui are Scoot and Bangkok Airways.

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 mm 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 18 August 2025.
Check out reviews from past customers who have flown Bangkok Airways and Scoot to Thailand to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Entertainment

6.2

Crew

8.5

Food

7.2

Boarding

7.9

Comfort

7.8

Overall

8.0

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
Check prices

Entertainment

6.2

Crew

8.5

Food

7.2

Boarding

7.9

Comfort

7.8

Overall

8.0

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.
Scoot
6.7
Okay
308 reviews
Bangkok Airways
8.0
Very Good
111 reviews
Check prices

Entertainment

6.2

Crew

8.5

Food

7.2

Boarding

7.9

Comfort

7.8

Overall

8.0

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.

FAQs about flying to Ko Samui

  • What airport do you fly into for flights to Ko Samui?

    Travellers will need to book flights to Ko Samui (USM) if they wish to fly to Ko Samui. The Ko Samui airport is 3.3 km from the city centre. Booking flights from Singapore to Ko Samui should be relatively easy as there are 33 daily flights from 2 different airlines.

  • Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ko Samui?

    Based on reviews from Cheapflights users, Scoot is rated the highest out of the airlines that fly to Ko Samui.

  • What is the cheapest airport to fly to in Ko Samui?

    Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost S$ 96, while return flights cost around S$ 232.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around S$ 341, however they can be found for as little as S$ 181.

  • Does Ko Samui have rental cars?

    Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ko Samui?

    Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

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 Pha Ngan
Ko Tao
Khanom

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

Yes, Cheapflights offers price alerts on Ko Samui flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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