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S$ 181+ Cheap flights to Koh 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 3-3. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
26 Feb — 5 Mar1
1 adult

Flights to Koh Samui in 2025

Find the latest flights to Koh 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 21 February 2025.

Return from

S$ 364

One-way from

S$ 181

Popular in

April

Cheapest in

September

Average price

S$ 480

Good round-trip deal

S$ 397 or less

Good one-way deal

S$ 179 or less
Scoot
  • Scoot
  • 14-5-19-5
  • Nonstop
  • 3h 50m total
  • Singapore to Koh Samui
Scoot
  • Scoot
  • 3-3
  • Nonstop
  • 2h 00m total
  • Singapore to Koh Samui
Highest demand for flights based on searches. 7% potential increase in price (S$ 46 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 15 potential savings vs. average return price).
Average for return flights in February 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.

Find flight deals to Koh Samui

Cheapest flights to Koh Samui
Explore the most affordable flight options available to Koh Samui. Find the lowest fares based on data from user searches, with prices last updated on 21 February 2025.

Mon 22-907:00SIN - USM
Nonstop1h 50mScoot
Tue 30-908:45USM - SIN
Nonstop2h 00mScoot
Deal found 21-2S$ 362
Sat 17-514:15SIN - USM
1 stop4h 45mMultiple Airlines
Sat 24-512:30USM - SIN
1 stop6h 45mMultiple Airlines
Deal found 20-2S$ 376
Sat 1-317:20SIN - USM
Nonstop1h 55mBangkok Airways
Sat 8-308:15USM - SIN
Nonstop1h 55mBangkok Airways
Deal found 20-2S$ 455

Find flights to Koh Samui within your budget

Locate flights to Koh 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 21 February 2025.

Fly from

Singapore

Route

Depart

Return

Price

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Wed 14-5

07:00-07:50

Nonstop1h 50m

Ko Samui

Mon 19-5

08:45-11:45

Nonstop2h 00m

S$ 364

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Sat 17-5

14:15-18:00

1 stop4h 45m

Ko Samui

Sat 24-5

12:30-20:15

1 stop6h 45m

S$ 376

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Wed 5-3

17:20-18:15

Nonstop1h 55m

Ko Samui

Sat 15-3

08:15-11:10

Nonstop1h 55m

S$ 445

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Mon 3-3

07:00-08:00

Nonstop2h 00m

S$ 181

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Sun 29-6

21:40-14:50

1 stop18h 10m

S$ 197

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Thu 20-3

12:10-13:05

Nonstop1h 55m

S$ 257

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Tue 11-3

13:15-07:40

2 stops19h 25m

S$ 493

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Sat 28-6

00:20-15:45

2 stops16h 25m

S$ 603

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Sat 3-5

06:20-21:35

2 stops16h 15m

S$ 980

SingaporeKoh Samui

SIN - USM

SINUSM

Singapore Changi

Wed 9-4

01:50-18:35

1 stop17h 45m

S$ 3,781

Flights are sorted by cheapest return flights first.

Deals found on 19-2

Best time to book a flight to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh 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.

Travel insights for flights to Koh Samui

Get recent, data-driven insights about flights to Koh Samui including ideal travel times, pricing trends, and more.

When is the best time to book a flight to Koh Samui?

Use this chart to determine the optimal time to book a return flight from Singapore to Koh Samui. Price data was last updated on 14 February 2025.

The price you pay for your flight to Koh Samui may vary depending on when you book. For the best chance of a lower fare, look to book 88 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Koh Samui?

On average, a flight from Singapore to Koh Samui takes 1 hour 50 minutes. Flights to Koh 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 Koh Samui

The most flights from Singapore to Koh Samui are scheduled on a Tuesday (39 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (31 on average).

What are the cheapest airlines that fly to Koh Samui?

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

Rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 58.0 mm.

Temperature in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Koh 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 Koh Samui

Get insights into the airlines that provide service to Koh 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 Koh Samui. Reviews last updated 21 February 2025.

Overall

8.0

Boarding

8.0

Entertainment

6.4

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Overall

8.0

Boarding

8.0

Entertainment

6.4

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Overall

8.0

Boarding

8.0

Entertainment

6.4

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Overall

8.0

Boarding

8.0

Entertainment

6.4

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Overall

8.0

Boarding

8.0

Entertainment

6.4

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

Overall

8.0

Boarding

8.0

Entertainment

6.4

Comfort

7.9

Crew

8.6

Food

7.3

Reviews

1 / 6

4.0
Okay

Derick,Jun 2024

HKT - BKK

Basic, long check-in and boarding. No entertainment and only a single spicy option for meal/snack.

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

    Ko Samui (USM), located 3.3 km from the city centre, is the airport you fly into when you book flights to Koh Samui. USM handles an average of 34 flights per day from Singapore. You should also have a few airline options to choose from. 2 airlines have flights to Ko Samui from Singapore.

  • Can I find cheaper flights to Koh 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 Koh Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

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

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

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

    Ko Samui is currently the cheapest airport to fly to in Koh Samui. One-way flights to Ko Samui typically cost S$ 178, while return flights cost around S$ 110.

  • 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 Koh Samui?

Book flights to Koh Samui if you plan to visit one of these locations
Khanom
Ko Pha Ngan
Ko Tao

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Need flexible booking options for your flight to Koh Samui ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on Koh 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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