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Cheap flights from Johannesburg to Ko Samui from R12 213

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
JNB — USM
May 18 — May 251
1 adult

Cheapflights Tip: The best prices from Johannesburg to Ko Samui are usually found in September or May, booked 13 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Johannesburg to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Johannesburg (ZA1) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 May 2025.

Round-trip from

R17 799

Popular in

January

Cheapest in

September

Average price

R15 024
20/6-30/6
  • 20/6-30/6
  • 3 total stops
  • 53h 25m total
  • Johannesburg to Ko Samui
Highest demand for flights based on searches. 13% potential increase in price (R51 164 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (R7 489 potential savings vs. average return price).
Average for round-trip flights in May 2025

Find flight deals from Johannesburg to Ko Samui

Cheapest flights from Johannesburg to Ko Samui
Explore the most affordable flight options available from Johannesburg to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 May 2025.

Tue 2/919:50JNB - USM
1 stop17h 40mSingapore Airlines
Wed 24/98:45USM - JNB
1 stop14h 50mSingapore Airlines
Deal found 13/5R12 213
Fri 20/611:20JNB - USM
1 stop26h 15mMultiple Airlines
Mon 30/69:30USM - JNB
2 stops27h 10mMultiple Airlines
Deal found 13/5R17 799
Tue 2/913:25JNB - USM
2 stops22h 30mEmirates
Wed 24/917:55USM - JNB
2 stops40h 35mEmirates
Deal found 13/5R18 693
Fri 20/613:55JNB - USM
2 stops21h 40mQatar Airways
Mon 30/617:55USM - JNB
2 stops20h 40mQatar Airways
Deal found 13/5R18 730
Tue 2/911:20JNB - USM
2 stops22h 25mCathay Pacific
Wed 24/910:55USM - JNB
1 stop25h 45mCathay Pacific
Deal found 13/5R18 839
Fri 1/89:50JNB - USM
2 stops19h 20mEtihad Airways
Mon 18/814:30USM - JNB
2 stops22h 50mEtihad Airways
Deal found 13/5R90 143

Cheapflights Fare Finder

Customise your flight search to find flights from Johannesburg to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 594 507 searches. Data last updated 13 May 2025.
Use the filters below to find and compare flights from Johannesburg to Ko Samui that are best for you.

Fly from

Johannesburg

Fly to

Ko Samui

Route

Depart

Return

Price

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 20/6

11:20-18:35

1 stop26h 15m

Ko Samui

Mon 30/6

9:30-7:40

2 stops27h 10m

R17 799

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 20/6

13:55-16:35

2 stops21h 40m

Ko Samui

Mon 30/6

17:55-9:35

2 stops20h 40m

R18 730

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 19/6

19:10-16:55

2 stops40h 45m

Ko Samui

Mon 30/6

8:00-10:15

2 stops31h 15m

R19 095

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Tue 17/6

19:50-18:30

1 stop17h 40m

Ko Samui

Fri 27/6

8:45-18:35

1 stop14h 50m

R20 044

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 20/6

11:20-18:35

1 stop26h 15m

Ko Samui

Mon 30/6

10:55-7:40

1 stop25h 45m

R21 541

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 1/8

9:50-10:10

2 stops19h 20m

Ko Samui

Mon 18/8

14:30-8:20

2 stops22h 50m

R90 143

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Best time to book a flight from Johannesburg to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Johannesburg 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 from Johannesburg to Ko Samui

How far ahead should I book a flight from Johannesburg 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 9 May 2025.

The best time to book flights from Johannesburg to Ko Samui is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Johannesburg to Ko Samui?

Currently, February is the cheapest month in which you can book a flight from Johannesburg to Ko Samui (average of R843). Flying from Johannesburg to Ko Samui in December is currently the most expensive (average of R1 195). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from JNB to USM?

Find hourly flight availability from Johannesburg to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 May 2025.

It’s typically best to fly out from Johannesburg to Ko Samui at midday. Doing so could potentially save you 7% on the flight price compared to flying in the morning, which is usually more expensive.

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 inches 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 13 May 2025.

Entertainment

8,0

Crew

8,6

Boarding

8,2

Comfort

7,9

Overall

8,1

Food

7,7

Reviews

1 / 20
6,0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8,0

Crew

8,6

Boarding

8,2

Comfort

7,9

Overall

8,1

Food

7,7

Reviews

1 / 20
6,0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8,0

Crew

8,6

Boarding

8,2

Comfort

7,9

Overall

8,1

Food

7,7

Reviews

1 / 20
6,0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8,0

Crew

8,6

Boarding

8,2

Comfort

7,9

Overall

8,1

Food

7,7

Reviews

1 / 20
6,0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8,0

Crew

8,6

Boarding

8,2

Comfort

7,9

Overall

8,1

Food

7,7

Reviews

1 / 20
6,0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Entertainment

8,0

Crew

8,6

Boarding

8,2

Comfort

7,9

Overall

8,1

Food

7,7

Reviews

1 / 20
6,0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from Johannesburg to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Ko Samui from Johannesburg?

    If you book a flight to Ko Samui from Johannesburg, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3,3 km from the centre of Ko Samui. There are 0 flights from Johannesburg to Ko Samui per day from 4 different airlines.

  • What are the cheapest airlines flying from Johannesburg to Ko Samui round-trip?

    Our cheapest airline available from Johannesburg to Ko Samui is Qatar Airways. Our recent data shows that you can find tickets from as low as R18 730 on this airline. Additional options worth looking into are Emirates and Singapore Airlines, starting at R19 095 and R20 044 round-trip.

  • Where are the most common stopover locations when flying from Johannesburg to Ko Samui?

  • Where are the least popular stopover locations for Johannesburg to Ko Samui flights?

  • Can I find deals for flights from Johannesburg to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Johannesburg to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Johannesburg to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Johannesburg to Ko Samui.

  • Can I find deals for business class flights from Johannesburg to Ko Samui?

    Yes. Cheapflights offers flight deals from Johannesburg to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Johannesburg to Ko Samui?

    Currently, February is the cheapest month in which you can book a flight from Johannesburg to Ko Samui (average of R843). Flying from Johannesburg to Ko Samui in December is currently the most expensive (average of R1 195). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Johannesburg?

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

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Top 4 airlines flying from Johannesburg to Ko Samui

Discover the top 4 airlines that operate flights from Johannesburg to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 594 507 searches. Data last updated 13 May 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestR11 054AverageR16 449FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Etihad AirwaysCheapestR14 259AverageR17 859FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EmiratesCheapestR16 634AverageR18 945FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qatar AirwaysCheapestR17 458AverageR19 794FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Johannesburg to Ko Samui?

Deals for Johannesburg to Ko Samui flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Johannesburg to Ko Samui?

Millions of users choose and trust Cheapflights to book the best flight deals from Johannesburg to Ko 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 from Johannesburg to Ko Samui with no change fees?

Certainly. Search results for flights to Ko Samui from Johannesburg shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Johannesburg to Ko Samui become cheaper?

Not ready to book yet? You can track prices for flights from Johannesburg to Ko Samui on Cheapflights with our Price Alert feature and get notified when better prices are available.

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