S$ 205+ 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 31-5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
2 May — 9 May1
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 2 April 2026.

Tue 5-518:50
SIN
-
USM
1 stop14h 35m
Multiple Airlines
Wed 13-508:00
USM
-
SIN
2 stops12h 00m
Multiple Airlines
Deal found 2-4S$ 386
Thu 23-407:00
SIN
-
USM
Nonstop1h 45m
Scoot
Mon 27-419:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 30-3S$ 388
Tue 21-412:10
SIN
-
USM
1 stop9h 15m
Multiple Airlines
Tue 28-409:15
USM
-
SIN
1 stop13h 40m
Multiple Airlines
Deal found 1-4S$ 389
Wed 6-516:25
SIN
-
USM
Nonstop1h 55m
Scoot
Mon 18-519:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 29-3S$ 390
Thu 7-507:00
SIN
-
USM
Nonstop1h 45m
Scoot
Mon 11-519:45
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 31-3S$ 393
Mon 20-407:00
SIN
-
USM
Nonstop1h 45m
Multiple Airlines
Fri 24-409:15
USM
-
SIN
1 stop13h 40m
Multiple Airlines
Deal found 2-4S$ 394
Sat 16-507:00
SIN
-
USM
Nonstop1h 45m
Multiple Airlines
Sat 23-508:00
USM
-
SIN
1 stop5h 25m
Multiple Airlines
Deal found 1-4S$ 395
Wed 29-417:55
SIN
-
USM
Nonstop1h 55m
Multiple Airlines
Wed 6-511:25
USM
-
SIN
1 stop11h 30m
Multiple Airlines
Deal found 30-3S$ 397
Wed 13-511:20
SIN
-
USM
1 stop10h 05m
Multiple Airlines
Wed 20-517:55
USM
-
SIN
1 stop5h 00m
Multiple Airlines
Deal found 29-3S$ 399
Sun 17-507:30
SIN
-
USM
1 stop13h 55m
Multiple Airlines
Sun 24-508:00
USM
-
SIN
1 stop8h 25m
Multiple Airlines
Deal found 2-4S$ 400

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 2 April 2026.

Return from

S$ 386

One-way from

S$ 205

Popular in

February

Cheapest in

June

Average price

S$ 476

Good round-trip deal

S$ 396 or less

Good one-way deal

S$ 247 or less
22-4-28-4
  • 22-4-28-4
  • 2 total stops
  • 21h 05m total
  • Singapore to Ko Samui
Scoot
  • Scoot
  • 31-5
  • Nonstop
  • 1h 55m total
  • Singapore to Ko Samui
Highest demand for flights based on searches. 6% potential increase in price (S$ 32 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (S$ 6 potential savings vs. average return price).
Average for return flights in April 2026
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 2 April 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 - USM

SINUSM

Singapore Changi

Sat 25-4

17:55-18:50

Nonstop1h 55m

Ko Samui

Sat 2-5

08:00-20:30

2 stops11h 30m

S$ 479
Fastest return journey

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 2-7

17:55-18:50

Nonstop1h 55m

Ko Samui

Sun 12-7

08:40-11:35

Nonstop1h 55m

S$ 483

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 17-5

17:55-18:50

Nonstop1h 55m

Ko Samui

Thu 21-5

19:45-22:45

Nonstop2h 00m

S$ 490

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 7-5

07:30-10:30

1 stop4h 00m

Ko Samui

Mon 11-5

11:25-20:20

2 stops7h 55m

S$ 504

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 2-7

16:15-20:25

1 stop5h 10m

Ko Samui

Sun 12-7

17:05-23:40

1 stop5h 35m

S$ 554

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Mon 14-9

06:40-11:05

1 stop5h 25m

Ko Samui

Fri 18-9

17:25-23:40

1 stop5h 15m

S$ 642

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 18-4

12:45-17:05

1 stop5h 20m

Ko Samui

Sat 25-4

17:25-23:40

1 stop5h 15m

S$ 789

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 17-5

21:00-14:45

2 stops18h 45m

Ko Samui

Thu 21-5

07:50-17:25

2 stops8h 35m

S$ 836
Cheapest one-way
Fastest single journey

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 31-7

17:55-18:50

Nonstop1h 55m

S$ 232

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Tue 7-4

18:50-20:25

1 stop26h 35m

S$ 246

Flights are sorted by cheapest return flights first.

Deals found on 1-4

Showing 1-10 of 19 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?

Use this chart to determine the optimal time to book a return flight from Singapore to Ko Samui. Price data was last updated on 2 April 2026.

Booking 69 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 2 April 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.

Overall

8.1

Entertainment

6.3

Boarding

8.1

Food

7.3

Crew

8.6

Comfort

8.0

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

Overall

8.1

Entertainment

6.3

Boarding

8.1

Food

7.3

Crew

8.6

Comfort

8.0

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

Overall

8.1

Entertainment

6.3

Boarding

8.1

Food

7.3

Crew

8.6

Comfort

8.0

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 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$ 212, while return flights cost around S$ 361.

  • 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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