S$ 207+ 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 1-12. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Ko Samui

Enter your travel dates to find the best prices.

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 19 November 2025.

Mon 1-1207:00SIN - USM
Nonstop2h 00mScoot
Fri 5-1208:55USM - SIN
Nonstop2h 00mScoot
Deal found 16-11S$ 371
Mon 24-1107:00SIN - USM
Nonstop2h 00mScoot
Fri 28-1108:55USM - SIN
Nonstop2h 00mScoot
Deal found 16-11S$ 372
Tue 2-1218:00SIN - USM
Nonstop1h 50mScoot
Wed 10-1208:55USM - SIN
Nonstop2h 00mScoot
Deal found 17-11S$ 374
Wed 19-1110:00SIN - USM
Nonstop2h 00mScoot
Sun 23-1108:55USM - SIN
Nonstop2h 00mScoot
Deal found 18-11S$ 376
Tue 18-1116:10SIN - USM
Nonstop2h 00mScoot
Sat 22-1119:45USM - SIN
Nonstop2h 10mScoot
Deal found 17-11S$ 378
Fri 21-1107:00SIN - USM
Nonstop2h 00mScoot
Sun 23-1108:55USM - SIN
Nonstop2h 00mScoot
Deal found 17-11S$ 379
Sat 22-1107:00SIN - USM
Nonstop2h 00mScoot
Sat 29-1108:55USM - SIN
Nonstop2h 00mScoot
Deal found 17-11S$ 382
Tue 2-1216:10SIN - USM
Nonstop2h 00mScoot
Sat 6-1208:55USM - SIN
Nonstop2h 00mScoot
Deal found 18-11S$ 386
Mon 17-1118:00SIN - USM
Nonstop1h 50mScoot
Sun 23-1119:45USM - SIN
Nonstop2h 10mScoot
Deal found 16-11S$ 395
Mon 24-1107:00SIN - USM
Nonstop2h 00mMultiple Airlines
Fri 28-1116:25USM - SIN
Nonstop1h 55mMultiple Airlines
Deal found 17-11S$ 397
Fri 21-1107:00SIN - USM
Nonstop2h 00mScoot
Tue 25-1108:55USM - SIN
Nonstop2h 00mScoot
Deal found 18-11S$ 400

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 19 November 2025.

Return from

S$ 371

One-way from

S$ 207

Popular in

December

Cheapest in

May

Average price

S$ 402

Good round-trip deal

S$ 386 or less

Good one-way deal

S$ 213 or less
Scoot
  • Scoot
  • 1-12-5-12
  • Nonstop
  • 4h 00m total
  • Singapore to Ko Samui
Scoot
  • Scoot
  • 1-12
  • Nonstop
  • 2h 00m total
  • Singapore to Ko Samui
Highest demand for flights based on searches. 2% potential increase in price (S$ 11 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 5 potential savings vs. average return price).
Average for return flights in November 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.

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 19 November 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

Sat 17-1

18:00-18:50

Nonstop1h 50m

Ko Samui

Wed 21-1

08:55-11:55

Nonstop2h 00m

S$ 393

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 17-1

18:00-18:50

Nonstop1h 50m

Ko Samui

Wed 21-1

12:25-08:20

2 stops18h 55m

S$ 488

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 5-3

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 7-3

08:15-11:10

Nonstop1h 55m

S$ 508

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 5-12

14:40-18:25

1 stop4h 45m

Ko Samui

Mon 8-12

08:55-11:55

Nonstop2h 00m

S$ 529

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 3-1

18:00-18:50

Nonstop1h 50m

Ko Samui

Sat 10-1

08:15-13:55

1 stop4h 40m

S$ 577

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 3-1

18:00-18:50

Nonstop1h 50m

Ko Samui

Sat 10-1

08:55-11:55

Nonstop2h 00m

S$ 591

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 3-3

21:00-07:10

1 stop11h 10m

Ko Samui

Thu 5-3

08:15-11:10

Nonstop1h 55m

S$ 662

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 4-3

15:55-21:20

1 stop6h 25m

Ko Samui

Sun 8-3

13:25-16:20

Nonstop1h 55m

S$ 722

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 7-12

16:10-17:10

Nonstop2h 00m

S$ 208

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 24-11

07:00-08:00

Nonstop2h 00m

S$ 211

Flights are sorted by cheapest return flights first.

Deals found on 17-11

Showing 1-10 of 19 results
1
2

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 14 November 2025.

Booking 27 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.

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 19 November 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.

Boarding

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

6.2

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.

Boarding

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

6.2

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.

Boarding

8.0

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

6.2

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.

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 38 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$ 213, while return flights cost around S$ 246.

  • 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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