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R10 876+ 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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
Feb 26 — Mar 51
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 594 507 searches and data was last updated on 21 February 2025.

Return from

R16 130

One-way from

R10 876

Popular in

January

Cheapest in

September

Average price

R18 195
Singapore Airlines
  • Singapore Airlines
  • 22/4-6/5
  • 2 total stops
  • 32h 30m total
  • Johannesburg to Koh Samui
Search Deals
14/4
  • 14/4
  • 2 total stops
  • 22h 15m total
  • Johannesburg to Koh Samui
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (R58 725 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (R9 004 potential savings vs. average return price).
Search Deals
Average for return flights in February 2025
Search Deals

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.

Tue 22/419:50JNB - USM
1 stop17h 40mSingapore Airlines
Tue 6/58:45USM - JNB
1 stop14h 50mSingapore Airlines
Deal found 20/2R16 130
Sun 6/414:30JNB - USM
2 stops19h 15mMultiple Airlines
Sun 13/416:25USM - JNB
2 stops25h 40mMultiple Airlines
Deal found 20/2R20 979
Tue 22/48:10JNB - USM
2 stops21h 20mQatar Airways
Tue 6/517:35USM - JNB
2 stops21h 25mQatar Airways
Deal found 20/2R25 551
Sun 6/419:35JNB - USM
2 stops44h 35mSWISS
Sun 13/49:15USM - JNB
2 stops29h 05mSWISS
Deal found 20/2R41 275
Thu 31/720:40JNB - USM
3 stops38h 05mCathay Pacific
Mon 11/814:35USM - JNB
3 stops30h 35mCathay Pacific
Deal found 20/2R149 174

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 594 507 searches and data was last updated on 21 February 2025.

Fly from

Johannesburg

Route

Depart

Return

Price

JohannesburgKoh Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Tue 22/4

19:50-18:30

1 stop17h 40m

Ko Samui

Tue 6/5

8:45-18:35

1 stop14h 50m

R16 130

JohannesburgKoh Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 6/4

14:30-14:45

2 stops19h 15m

Ko Samui

Sun 13/4

16:25-13:05

2 stops25h 40m

R20 979

JohannesburgKoh Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Tue 22/4

8:10-10:30

2 stops21h 20m

Ko Samui

Tue 6/5

17:35-10:00

2 stops21h 25m

R25 551

JohannesburgKoh Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 6/4

19:35-21:10

2 stops44h 35m

Ko Samui

Sun 13/4

9:15-9:20

2 stops29h 05m

R41 275

JohannesburgKoh Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 31/7

20:40-15:45

3 stops38h 05m

Ko Samui

Mon 11/8

14:35-16:10

3 stops30h 35m

R149 174

JohannesburgKoh Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Mon 14/4

9:55-13:10

2 stops22h 15m

R10 876

JohannesburgKoh Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 13/4

11:20-18:35

1 stop26h 15m

R10 950

JohannesburgKoh Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Mon 7/4

13:45-18:30

1 stop23h 45m

R12 407

Flights are sorted by cheapest return flights first.

Deals found on 20/2

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 Johannesburg to Koh Samui. Price data was last updated on 14 February 2025.

Booking 21 days in advance of your planned departure date is, on average, the best time to get cheap flights to Koh Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Koh Samui?

On average, a flight from Johannesburg to Koh Samui takes 17 hours 40 minutes. Flights to Koh Samui from other popular cities in South Africa will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Koh Samui?

The most popular airlines flying from Johannesburg to Koh Samui are Singapore Airlines, Qatar Airways and Emirates.

Singapore Airlines

Singapore Airlines

From R614

Qatar Airways

Qatar Airways

From R920

Emirates

Emirates

From R911

Etihad Airways

Etihad Airways

From R781

What are the cheapest airlines that fly to Koh Samui?

The cheapest airlines flying from Johannesburg to Koh Samui are Singapore Airlines, Etihad Airways and Emirates.

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.
Singapore Airlines
8,1
Very Good
1 297 reviews
Check prices

Entertainment

8,0

Boarding

8,2

Overall

8,1

Comfort

7,9

Food

7,7

Crew

8,6

Reviews

1 / 20

2,0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.

Singapore Airlines
8,1
Very Good
1 297 reviews
Singapore Airlines
8,1
Very Good
1 297 reviews
Check prices

Entertainment

8,0

Boarding

8,2

Overall

8,1

Comfort

7,9

Food

7,7

Crew

8,6

Reviews

1 / 20

2,0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.

Cathay Pacific
7,5
Good
820 reviews
Singapore Airlines
8,1
Very Good
1 297 reviews
Check prices

Entertainment

8,0

Boarding

8,2

Overall

8,1

Comfort

7,9

Food

7,7

Crew

8,6

Reviews

1 / 20

2,0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.

SWISS
7,5
Good
1 568 reviews
Singapore Airlines
8,1
Very Good
1 297 reviews
Check prices

Entertainment

8,0

Boarding

8,2

Overall

8,1

Comfort

7,9

Food

7,7

Crew

8,6

Reviews

1 / 20

2,0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.

Qatar Airways
7,4
Good
3 609 reviews
Singapore Airlines
8,1
Very Good
1 297 reviews
Check prices

Entertainment

8,0

Boarding

8,2

Overall

8,1

Comfort

7,9

Food

7,7

Crew

8,6

Reviews

1 / 20

2,0
Mediocre

Anonymous,Sept 2024

SIN - DPS

Your state of the art Boeing 787 was so hot I was sweating 90% of the flight. There is no reason or excuse for that.

  • 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.

  • 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, Singapore Airlines 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 R1 188, while return flights cost around R2 485.

  • How much is a return flight to Koh Samui?

    A return flight to Koh Samui will typically cost around R257, however they can be found for as little as R135.

  • Where does the fastest flight to Koh Samui depart from?

    For those looking to save time traveling to Koh Samui, Johannesburg offers the quickest one-way flight (17 hours 40 minutes).

  • Does Ko Samui have car hire?

    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
Ko Tao
Ko Pha Ngan

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How does Cheapflights help users find flights to Koh Samui?

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Why should you use Cheapflights to find cheap flight tickets to Koh Samui?

Millions of users choose and trust Cheapflights to book the best flight deals to Koh Samui for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to Koh Samui with no change fees?

Yes! Cheapflights helps users easily find flights to Koh Samui 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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