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S$ 189+ 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 16-9. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
15 Sep — 22 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to Ko Samui in 2026

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 16 August 2026.

Sun 20-912:20 -
1 stop9h 05m
Thu 24-919:45 -
Nonstop2h 00m
Deal found 12-8S$ 357
Mon 21-911:05 -
1 stop7h 55m
Thu 24-918:15 -
Nonstop1h 55m
Deal found 12-8S$ 358
Fri 2-1017:55 -
Nonstop1h 55m
Mon 5-1008:40 -
Nonstop1h 55m
Deal found 15-8S$ 359
Wed 21-1017:55 -
Nonstop1h 55m
Tue 27-1018:05 -
Nonstop2h 05m
Deal found 12-8S$ 360
Sun 13-907:00 -
Nonstop1h 45m
Sun 20-908:40 -
Nonstop1h 55m
Deal found 14-8S$ 363
Wed 9-907:00 -
Nonstop1h 45m
Wed 16-918:15 -
Nonstop1h 55m
Deal found 12-8S$ 365
Sun 23-807:00 -
Nonstop1h 45m
Thu 27-819:45 -
Nonstop2h 00m
Deal found 16-8S$ 368
Mon 14-916:25 -
Nonstop1h 55m
Fri 18-918:15 -
Nonstop1h 55m
Deal found 13-8S$ 369
Wed 9-907:00 -
Nonstop1h 45m
Tue 15-918:15 -
Nonstop1h 55m
Deal found 12-8S$ 371
Sun 11-1017:55 -
Nonstop1h 55m
Sun 18-1008:40 -
Nonstop1h 55m
Deal found 16-8S$ 374

Find flight deals to Ko Samui

Find the latest flights to Ko Samui in 2026, 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 16 August 2026.

Return from

S$ 357

One-way from

S$ 189

Popular in

April

Cheapest in

November

Average price

S$ 466

Good round-trip deal

S$ 442 or less

Good one-way deal

S$ 212 or less
Scoot
  • Scoot
  • 20-9-24-9
  • 1 total stop
  • 11h 05m total
  • Singapore to Ko Samui
Search Deals
16-9
  • 16-9
  • 1 total stop
  • 22h 05m total
  • Singapore to Ko Samui
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (S$ 21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (S$ 7 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals
Price to beat on a round-trip flight from Singapore Changi to Ko Samui.
Search Deals
Price to beat on a one-way flight from Singapore Changi to Ko Samui.
Search Deals

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 16 August 2026.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Sun 13-9

16:25-17:20

Nonstop1h 55m

Ko Samui

Tue 15-9

18:15-21:10

Nonstop1h 55m

S$ 359
Fastest return journey

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Mon 12-10

07:00-07:45

Nonstop1h 45m

Ko Samui

Thu 15-10

19:45-22:45

Nonstop2h 00m

S$ 495

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Sun 13-9

20:15-21:10

Nonstop1h 55m

Ko Samui

Sat 19-9

16:25-19:20

Nonstop1h 55m

S$ 574

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Mon 12-10

21:00-13:45

2 stops17h 45m

Ko Samui

Thu 15-10

07:50-20:00

2 stops11h 10m

S$ 809

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Tue 15-12

20:10-21:05

Nonstop1h 55m

Ko Samui

Mon 4-1

13:25-16:20

Nonstop1h 55m

S$ 832

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Thu 17-12

20:10-21:05

Nonstop1h 55m

Ko Samui

Tue 5-1

13:25-16:20

Nonstop1h 55m

S$ 832

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Mon 14-12

20:10-21:05

Nonstop1h 55m

Ko Samui

Tue 5-1

07:55-18:15

1 stop9h 20m

S$ 874

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Fri 18-12

17:20-18:15

Nonstop1h 55m

Ko Samui

Thu 7-1

07:55-14:50

1 stop5h 55m

S$ 995

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Fri 28-8

20:00-17:05

2 stops22h 05m

Ko Samui

Mon 21-9

10:05-13:15

2 stops26h 10m

S$ 1,302

SingaporeKo Samui

SIN Singapore Changi - USM Ko Samui

SINUSM

Singapore Changi

Sun 20-9

10:05-21:35

2 stops12h 30m

Ko Samui

Thu 24-9

08:45-23:35

2 stops13h 50m

S$ 1,302

Flights are sorted by cheapest return flights first.

Deals found on 12-8

Showing 1-10 of 20 resultsSorted by cheapest first
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?

Booking 35 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 16 August 2026.
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
8.1
Very Good
133 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

6.3

Crew

8.6

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Bangkok Airways
8.1
Very Good
133 reviews
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

6.3

Crew

8.6

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect
Scoot
6.7
Okay
328 reviews
Bangkok Airways
8.1
Very Good
133 reviews
Check prices

Overall

8.1

Food

7.3

Comfort

7.9

Entertainment

6.3

Crew

8.6

Boarding

8.1

Reviews

1 / 8
10.0
Excellent

Agata,Feb 2026

USM - DMK

Great short flight and free really good snack and water which I didn’t expect

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 34 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$ 166, while return flights cost around S$ 378.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around S$ 533, however they can be found for as little as S$ 378.

  • 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

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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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