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R10 769+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
Mar 16 — Mar 231
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 14 February 2026.

Sat 2/519:50
JNB
-
USM
1 stop30h 55m
Singapore Airlines
Mon 18/58:40
USM
-
JNB
1 stop14h 55m
Singapore Airlines
Deal found 10/2R10 769
Sat 2/519:50
JNB
-
USM
1 stop18h 00m
Multiple Airlines
Mon 18/56:00
USM
-
JNB
2 stops17h 35m
Multiple Airlines
Deal found 10/2R12 079
Mon 11/513:30
JNB
-
USM
2 stops22h 25m
Emirates
Thu 14/514:30
USM
-
JNB
2 stops24h 45m
Emirates
Deal found 12/2R14 699
Fri 12/613:30
JNB
-
USM
2 stops23h 30m
Emirates
Sun 21/619:00
USM
-
JNB
2 stops20h 15m
Emirates
Deal found 10/2R14 779
Sun 3/513:30
JNB
-
USM
2 stops21h 15m
Emirates
Sun 17/519:00
USM
-
JNB
2 stops26h 15m
Emirates
Deal found 13/2R14 939
Thu 3/911:10
JNB
-
USM
2 stops20h 35m
Multiple Airlines
Tue 15/911:55
USM
-
JNB
1 stop24h 50m
Multiple Airlines
Deal found 13/2R15 162

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 594 507 searches and data was last updated on 14 February 2026.

Return from

R10 769

One-way from

R13 725

Popular in

December

Cheapest in

September

Average price

R16 632
Singapore Airlines
  • Singapore Airlines
  • 2/5-18/5
  • 2 total stops
  • 45h 50m total
  • Johannesburg to Ko Samui
Search Deals
Singapore Airlines
  • Singapore Airlines
  • 16/5
  • 1 total stop
  • 18h 00m total
  • Johannesburg to Ko Samui
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (R436 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R299 potential savings vs. average return price).
Search Deals
Average for return flights in February 2026
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 594 507 searches and data was last updated on 14 February 2026.
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

Sat 2/5

19:50-7:45

1 stop30h 55m

Ko Samui

Mon 18/5

8:40-18:35

1 stop14h 55m

R10 769

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sat 2/5

19:50-18:50

1 stop18h 00m

Ko Samui

Mon 18/5

6:00-18:35

2 stops17h 35m

R12 079

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Mon 11/5

13:30-16:55

2 stops22h 25m

Ko Samui

Thu 14/5

14:30-10:15

2 stops24h 45m

R14 699

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 3/5

13:30-16:35

2 stops22h 05m

Ko Samui

Sun 17/5

17:55-16:15

2 stops27h 20m

R15 019

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 3/5

11:20-19:40

1 stop27h 20m

Ko Samui

Sun 17/5

11:55-7:45

1 stop24h 50m

R15 754

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sat 16/5

19:50-18:50

1 stop18h 00m

R13 741

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sat 16/5

19:50-20:30

2 stops19h 40m

R14 491

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 12/7

14:15-7:10

3 stops59h 55m

R23 710

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 17/7

12:10-10:35

3 stops41h 25m

R24 669

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 17/7

19:50-18:50

1 stop18h 00m

R27 417

Flights are sorted by cheapest return flights first.

Deals found on 10/2

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 13 February 2026.

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 39 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 20 hours 10 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 most popular airlines that fly to Ko Samui?

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

Singapore Airlines
Singapore Airlines
From R10 050
Qatar Airways
Qatar Airways
From R15 792
Emirates
Emirates
From R12 247
Cathay Pacific
Cathay Pacific
From R14 674

What are the cheapest airlines that fly to Ko Samui?

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

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 14 February 2026.
Read through reviews of airlines serving Thailand, such as Singapore Airlines, Emirates, andCathay Pacific. 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.
Singapore Airlines
8,2
Very Good
1 452 reviews
Check prices

Boarding

8,3

Crew

8,6

Entertainment

8,0

Food

7,8

Comfort

8,0

Overall

8,2

Reviews

1 / 20
10,0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8,2
Very Good
1 452 reviews
Singapore Airlines
8,2
Very Good
1 452 reviews
Check prices

Boarding

8,3

Crew

8,6

Entertainment

8,0

Food

7,8

Comfort

8,0

Overall

8,2

Reviews

1 / 20
10,0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Emirates
8,1
Very Good
3 517 reviews
Singapore Airlines
8,2
Very Good
1 452 reviews
Check prices

Boarding

8,3

Crew

8,6

Entertainment

8,0

Food

7,8

Comfort

8,0

Overall

8,2

Reviews

1 / 20
10,0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Cathay Pacific
7,6
Good
1 163 reviews
Singapore Airlines
8,2
Very Good
1 452 reviews
Check prices

Boarding

8,3

Crew

8,6

Entertainment

8,0

Food

7,8

Comfort

8,0

Overall

8,2

Reviews

1 / 20
10,0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Qatar Airways
7,4
Good
3 734 reviews
Singapore Airlines
8,2
Very Good
1 452 reviews
Check prices

Boarding

8,3

Crew

8,6

Entertainment

8,0

Food

7,8

Comfort

8,0

Overall

8,2

Reviews

1 / 20
10,0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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 133, while return flights cost around R1 931.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around R3 246, however they can be found for as little as R1 931.

  • 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 (20 hours 10 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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Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

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

Yes! Cheapflights helps users easily find flights to Ko Samui with no change fees.

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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