R14 888+ Cheap flights to Ko Samui

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
Aug 21 — Aug 281
1 adult

Flights to Ko Samui in 2025

Find the latest flights to Ko 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 16 August 2025.

Return from

R14 888

One-way from

R16 505

Popular in

January

Cheapest in

September

Average price

R17 771
29/9-6/10
  • 29/9-6/10
  • 4 total stops
  • 63h 40m total
  • Johannesburg to Ko Samui
6/1
  • 6/1
  • 2 total stops
  • 23h 35m total
  • Johannesburg to Ko Samui
Highest demand for flights based on searches. 15% potential increase in price (R56 620 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (R9 348 potential savings vs. average return price).
Average for return flights in August 2025

Find flight deals to Ko Samui

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 2025.

Mon 29/913:25JNB - USM
2 stops27h 10mMultiple Airlines
Mon 6/108:45USM - JNB
2 stops36h 30mMultiple Airlines
Deal found 15/8R14 888
Thu 6/1110:25JNB - USM
2 stops24h 10mEmirates
Mon 10/1117:40USM - JNB
2 stops27h 55mEmirates
Deal found 15/8R16 452
Sun 28/913:55JNB - USM
2 stops39h 35mQatar Airways
Sun 5/1019:00USM - JNB
2 stops43h 35mQatar Airways
Deal found 14/8R18 245
Thu 6/1113:40JNB - USM
1 stop24h 10mSingapore Airlines
Mon 10/118:55USM - JNB
1 stop14h 40mSingapore Airlines
Deal found 14/8R19 827
Mon 29/919:50JNB - USM
1 stop34h 20mSingapore Airlines
Mon 6/1019:25USM - JNB
1 stop28h 10mSingapore Airlines
Deal found 15/8R20 179
Sun 28/913:55JNB - USM
2 stops39h 35mMultiple Airlines
Sun 5/1019:40USM - JNB
3 stops41h 50mMultiple Airlines
Deal found 14/8R20 741

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 594 507 searches and data was last updated on 16 August 2025.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Johannesburg

Route

Depart

Return

Price

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Mon 29/9

13:25-21:35

2 stops27h 10m

Ko Samui

Mon 6/10

8:45-16:15

2 stops36h 30m

R14 888

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 6/11

10:25-15:35

2 stops24h 10m

Ko Samui

Mon 10/11

17:40-16:35

2 stops27h 55m

R16 452

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 28/9

13:55-10:30

2 stops39h 35m

Ko Samui

Sun 5/10

19:00-9:35

2 stops43h 35m

R18 245

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 6/11

13:40-18:50

1 stop24h 10m

Ko Samui

Mon 10/11

8:55-18:35

1 stop14h 40m

R19 827

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Mon 29/9

19:50-11:10

1 stop34h 20m

Ko Samui

Mon 6/10

19:25-18:35

1 stop28h 10m

R20 179

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 28/9

13:55-10:30

2 stops39h 35m

Ko Samui

Sun 5/10

19:40-8:30

3 stops41h 50m

R20 741

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Tue 6/1

11:05-15:40

2 stops23h 35m

R16 505

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Tue 6/1

19:50-18:50

1 stop18h 00m

R18 017

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Mon 5/1

13:40-10:50

1 stop16h 10m

R24 028

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Mon 5/1

22:20-8:10

2 stops28h 50m

R40 902

Flights are sorted by cheapest return flights first.

Deals found on 14/8

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 Johannesburg to Ko Samui. Price data was last updated on 8 August 2025.

The price you pay for your flight to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 13 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 Ko Samui?

On average, a flight from Johannesburg to Ko Samui takes 25 hours 35 minutes. Flights to Ko 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 cheapest airlines that fly to Ko Samui?

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

Rainfall in Ko Samui by month

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

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

Temperature in Ko Samui by month

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

If weather is an important factor for your trip to Ko 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 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 2025.
Read through reviews of airlines serving Thailand, such as Emirates, Singapore Airlines, andQatar Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8,1

Boarding

8,1

Entertainment

8,2

Food

7,9

Comfort

8,0

Crew

8,3

Reviews

1 / 20
8,0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.

Overall

8,1

Boarding

8,1

Entertainment

8,2

Food

7,9

Comfort

8,0

Crew

8,3

Reviews

1 / 20
8,0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.

Overall

8,1

Boarding

8,1

Entertainment

8,2

Food

7,9

Comfort

8,0

Crew

8,3

Reviews

1 / 20
8,0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.

Overall

8,1

Boarding

8,1

Entertainment

8,2

Food

7,9

Comfort

8,0

Crew

8,3

Reviews

1 / 20
8,0
Excellent

Anonymous,Aug 2025

CEB - CRK

On the plane it was good. They served me food for ky special request. But my baggage arrived late, so today I received my 1 luggage and still the other one is need wait.

FAQs about flying to Ko Samui

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

    If you book a flight to Ko Samui, you will be flying into Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3,3 km from the centre of Ko Samui.

  • 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, Singapore Airlines 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 R1 019, while return flights cost around R2 124.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around R154, however they can be found for as little as R121.

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

    For those looking to save time traveling to Ko Samui, Johannesburg offers the quickest one-way flight (25 hours 35 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 Ko Samui?

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

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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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