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R14 840+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
Jul 9 — Jul 161
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 9 June 2026.

Sun 7/612:40
JNB
-
USM
2 stops24h 20m
Qatar Airways
Sun 14/617:55
USM
-
JNB
2 stops21h 35m
Qatar Airways
Deal found 4/6R14 840
Fri 4/910:05
JNB
-
USM
2 stops26h 55m
Emirates
Wed 23/917:55
USM
-
JNB
2 stops21h 20m
Emirates
Deal found 8/6R15 286
Tue 1/913:30
JNB
-
USM
2 stops22h 25m
Emirates
Thu 17/919:00
USM
-
JNB
2 stops30h 35m
Emirates
Deal found 6/6R15 402
Thu 16/714:05
JNB
-
USM
2 stops39h 25m
Qatar Airways
Mon 27/719:00
USM
-
JNB
2 stops43h 00m
Qatar Airways
Deal found 8/6R15 451
Thu 17/913:30
JNB
-
USM
2 stops22h 25m
Emirates
Mon 28/919:00
USM
-
JNB
2 stops20h 15m
Emirates
Deal found 8/6R15 980
Fri 3/714:05
JNB
-
USM
2 stops21h 45m
Qatar Airways
Fri 24/76:00
USM
-
JNB
2 stops27h 00m
Qatar Airways
Deal found 5/6R17 269
Fri 7/820:55
JNB
-
USM
2 stops30h 30m
Multiple Airlines
Fri 14/86:00
USM
-
JNB
2 stops27h 00m
Multiple Airlines
Deal found 5/6R17 418
Tue 1/911:10
JNB
-
USM
1 stop27h 30m
Cathay Pacific
Thu 17/911:55
USM
-
JNB
1 stop25h 00m
Cathay Pacific
Deal found 6/6R17 848

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 9 June 2026.

Return from

R15 286

Popular in

December

Cheapest in

September

Average price

R15 237
Emirates
  • Emirates
  • 4/9-23/9
  • 4 total stops
  • 48h 15m total
  • Johannesburg to Ko Samui
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (R966 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (R372 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 9 June 2026.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sat 12/9

13:30-16:55

2 stops22h 25m

Ko Samui

Sat 26/9

19:00-10:15

2 stops20h 15m

R15 286

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 4/9

10:05-18:00

2 stops26h 55m

Ko Samui

Wed 23/9

17:55-10:15

2 stops21h 20m

R15 286

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 5/11

22:20-17:30

2 stops38h 10m

Ko Samui

Mon 9/11

8:15-20:35

2 stops41h 20m

R15 286

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 17/9

10:05-16:55

2 stops25h 50m

Ko Samui

Mon 28/9

19:00-10:15

2 stops20h 15m

R15 980

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Tue 1/9

11:10-21:35

2 stops29h 25m

Ko Samui

Thu 17/9

11:55-7:55

1 stop25h 00m

R18 773

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 6/8

14:05-10:30

2 stops39h 25m

Ko Samui

Fri 14/8

6:00-4:00

2 stops27h 00m

R19 170

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 9/8

14:05-10:30

2 stops39h 25m

Ko Samui

Thu 13/8

20:50-4:00

2 stops36h 10m

R19 170

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 5/11

13:40-17:10

1 stop22h 30m

Ko Samui

Mon 9/11

12:00-6:10

1 stop23h 10m

R20 888

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Sorted by cheapest first

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

How long is the flight to Ko Samui?

On average, a flight from Johannesburg to Ko Samui takes 20 hours 15 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 R11 119
Qatar Airways
Qatar Airways
From R16 021
Emirates
Emirates
From R13 726

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).

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

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 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 9 June 2026.
Read through reviews of airlines serving Thailand, such as Singapore Airlines,Emirates, 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.
Singapore Airlines
8,2
Very Good
1 539 reviews
Check prices

Overall

8,2

Boarding

8,3

Crew

8,6

Comfort

8,0

Entertainment

8,1

Food

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Singapore Airlines
8,2
Very Good
1 539 reviews
Singapore Airlines
8,2
Very Good
1 539 reviews
Check prices

Overall

8,2

Boarding

8,3

Crew

8,6

Comfort

8,0

Entertainment

8,1

Food

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Emirates
8,1
Very Good
3 579 reviews
Singapore Airlines
8,2
Very Good
1 539 reviews
Check prices

Overall

8,2

Boarding

8,3

Crew

8,6

Comfort

8,0

Entertainment

8,1

Food

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Qatar Airways
7,4
Good
3 729 reviews
Singapore Airlines
8,2
Very Good
1 539 reviews
Check prices

Overall

8,2

Boarding

8,3

Crew

8,6

Comfort

8,0

Entertainment

8,1

Food

7,8

Reviews

1 / 20
6,0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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 344, while return flights cost around R3 252.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around R3 532, however they can be found for as little as R3 252.

  • 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 15 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 Pha Ngan
Ko Tao

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How does Cheapflights help users find flights to Ko Samui?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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