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S$ 194+ 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 16-5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
21 Mar — 28 Mar1
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 19 February 2026.

Sat 9-515:30
SIN
-
USM
1 stop5h 55m
Multiple Airlines
Fri 22-512:30
USM
-
SIN
1 stop6h 45m
Multiple Airlines
Deal found 18-2S$ 371
Sat 17-1017:55
SIN
-
USM
Nonstop1h 55m
Scoot
Sat 31-1008:55
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 18-2S$ 372
Thu 16-417:55
SIN
-
USM
Nonstop1h 55m
Scoot
Tue 21-408:40
USM
-
SIN
Nonstop1h 55m
Scoot
Deal found 18-2S$ 373
Sun 26-416:25
SIN
-
USM
Nonstop1h 55m
Scoot
Sun 10-508:40
USM
-
SIN
Nonstop1h 55m
Scoot
Deal found 17-2S$ 374
Thu 26-318:00
SIN
-
USM
Nonstop1h 50m
Scoot
Mon 30-308:40
USM
-
SIN
Nonstop1h 55m
Scoot
Deal found 16-2S$ 376
Sat 7-318:00
SIN
-
USM
Nonstop1h 50m
Scoot
Mon 9-319:45
USM
-
SIN
Nonstop2h 10m
Scoot
Deal found 15-2S$ 377
Thu 5-307:00
SIN
-
USM
Nonstop2h 00m
Scoot
Tue 10-319:45
USM
-
SIN
Nonstop2h 10m
Scoot
Deal found 17-2S$ 378
Fri 6-318:00
SIN
-
USM
Nonstop1h 50m
Scoot
Tue 10-319:45
USM
-
SIN
Nonstop2h 10m
Scoot
Deal found 18-2S$ 379
Fri 30-1007:00
SIN
-
USM
Nonstop2h 00m
Scoot
Wed 18-1119:45
USM
-
SIN
Nonstop2h 10m
Scoot
Deal found 15-2S$ 381
Sat 31-1007:00
SIN
-
USM
Nonstop2h 00m
Scoot
Sun 15-1108:55
USM
-
SIN
Nonstop2h 00m
Scoot
Deal found 15-2S$ 383
Tue 3-1107:00
SIN
-
USM
Nonstop2h 00m
Scoot
Wed 18-1118:05
USM
-
SIN
Nonstop2h 05m
Scoot
Deal found 15-2S$ 385

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 19 February 2026.

Return from

S$ 371

One-way from

S$ 194

Popular in

February

Cheapest in

May

Average price

S$ 495

Good round-trip deal

S$ 388 or less

Good one-way deal

S$ 215 or less
9-5-22-5
  • 9-5-22-5
  • 2 total stops
  • 12h 40m total
  • Singapore to Ko Samui
Search Deals
16-5
  • 16-5
  • 1 total stop
  • 5h 55m total
  • Singapore to Ko Samui
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (S$ 30 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 February 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 19 February 2026.
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 16-5

20:15-21:10

Nonstop1h 55m

Ko Samui

Wed 20-5

16:25-19:20

Nonstop1h 55m

S$ 443

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 6-5

17:20-18:15

Nonstop1h 55m

Ko Samui

Mon 18-5

16:25-19:20

Nonstop1h 55m

S$ 443

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sat 18-4

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 25-4

08:20-11:15

Nonstop1h 55m

S$ 443

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 4-3

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 14-3

08:15-11:10

Nonstop1h 55m

S$ 483

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Fri 10-4

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 18-4

08:20-11:15

Nonstop1h 55m

S$ 496

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 16-4

12:15-13:10

Nonstop1h 55m

Ko Samui

Mon 20-4

13:30-16:25

Nonstop1h 55m

S$ 511

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Wed 29-7

20:15-21:10

Nonstop1h 55m

Ko Samui

Thu 30-7

16:25-19:20

Nonstop1h 55m

S$ 527

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 30-7

17:20-18:15

Nonstop1h 55m

Ko Samui

Tue 4-8

16:25-19:20

Nonstop1h 55m

S$ 527

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Thu 30-7

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 1-8

16:25-19:20

Nonstop1h 55m

S$ 549

SingaporeKo Samui

SIN - USM

SINUSM

Singapore Changi

Sun 5-4

17:55-18:50

Nonstop1h 55m

Ko Samui

Sun 12-4

12:30-08:20

2 stops18h 50m

S$ 559

Flights are sorted by cheapest return flights first.

Deals found on 15-2

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 18 February 2026.

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 February 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
8.0
Very Good
123 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

6.3

Crew

8.6

Boarding

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
123 reviews
Bangkok Airways
8.0
Very Good
123 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

6.3

Crew

8.6

Boarding

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
319 reviews
Bangkok Airways
8.0
Very Good
123 reviews
Check prices

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

6.3

Crew

8.6

Boarding

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 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$ 203, while return flights cost around S$ 355.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around S$ 475, however they can be found for as little as S$ 355.

  • 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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