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R9 735+ Cheap flights to Ko Samui

— USM
Dec 10 — Dec 171
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

Sat 26/1214:30 -
2 stops19h 45m
Sat 2/116:25 -
2 stops26h 05m
Deal found 9/11R21 081
Fri 25/1210:10 -
2 stops24h 05m
Tue 5/121:30 -
2 stops39h 10m
Deal found 5/11R21 871
Wed 16/1220:20 -
2 stops30h 15m
Wed 30/1219:40 -
2 stops24h 55m
Deal found 8/11R27 034
Sat 12/129:25 -
2 stops20h 15m
Mon 4/119:10 -
2 stops25h 25m
Deal found 7/11R31 408
Sat 12/128:20 -
2 stops28h 55m
Tue 5/116:25 -
2 stops26h 05m
Deal found 7/11R32 132
Sun 13/1214:30 -
2 stops20h 30m
Tue 5/116:25 -
2 stops26h 05m
Deal found 7/11R32 148
Thu 12/1114:30 -
2 stops20h 05m
Wed 25/117:55 -
3 stops25h 00m
Deal found 7/11R33 908

Find flight deals to Ko Samui

Return from

R17 250

One-way from

R9 735

Popular in

December

Cheapest in

October

Average price

R15 392
Emirates
  • Emirates
  • 5/1-19/1
  • 4 total stops
  • 65h 10m total
  • Johannesburg to Ko Samui
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Emirates
  • Emirates
  • 4/1-31/12
  • 2 total stops
  • 30h 10m total
  • Johannesburg to Ko Samui
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (R802 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (R283 potential savings vs. average return price).
Search Deals
Average for return flights in November 2026
Search Deals

Cheapflights Fare Finder

 
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

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Mon 4/1

10:10-21:20

2 stops30h 10m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R9 735

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Tue 5/1

13:25-20:25

2 stops50h 00m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R10 343

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Tue 15/12

10:10-7:45

2 stops40h 35m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R13 090

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Wed 23/12

14:30-10:25

3 stops38h 55m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R13 106

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Mon 21/12

17:00-21:20

2 stops23h 20m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R14 701

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Mon 21/12

1:35-16:00

3 stops33h 25m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R14 948

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Tue 5/1

22:15-13:50

2 stops34h 35m

Ko Samui

Tue 19/1

15:05-16:40

2 stops30h 35m

R17 250
Fastest return journey

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Sat 19/12

14:30-16:00

2 stops20h 30m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R17 464

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Fri 18/12

10:10-21:20

2 stops30h 10m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R18 533

JohannesburgKo Samui

JNB Johannesburg OR Tambo - USM Ko Samui

JNBUSM

Johannesburg OR Tambo

Wed 23/12

20:20-8:10

2 stops30h 50m

Ko Samui

Wed 31/12

0:00-19:00

Nonstop0h 00m

R19 733

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 18 resultsSorted by cheapest first
1
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

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 Qatar Airways, Singapore Airlines and Emirates.

Qatar Airways
Qatar Airways
From R14 761
Singapore Airlines
Singapore Airlines
From R11 054
Emirates
Emirates
From R15 156
Etihad Airways
Etihad Airways
From R9 639

What are the cheapest airlines that fly to Ko Samui?

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

Rainfall in Ko Samui 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

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 77 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

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
1 633 reviews
Check prices

Entertainment

8,1

Food

7,8

Overall

8,2

Comfort

8,0

Boarding

8,3

Crew

8,6

Reviews

1 / 20
4,0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Singapore Airlines
8,2
Very Good
1 633 reviews
Singapore Airlines
8,2
Very Good
1 633 reviews
Check prices

Entertainment

8,1

Food

7,8

Overall

8,2

Comfort

8,0

Boarding

8,3

Crew

8,6

Reviews

1 / 20
4,0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Emirates
8,1
Very Good
3 695 reviews
Singapore Airlines
8,2
Very Good
1 633 reviews
Check prices

Entertainment

8,1

Food

7,8

Overall

8,2

Comfort

8,0

Boarding

8,3

Crew

8,6

Reviews

1 / 20
4,0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Qatar Airways
7,4
Good
3 707 reviews
Singapore Airlines
8,2
Very Good
1 633 reviews
Check prices

Entertainment

8,1

Food

7,8

Overall

8,2

Comfort

8,0

Boarding

8,3

Crew

8,6

Reviews

1 / 20
4,0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.
Etihad Airways
7,3
Good
1 555 reviews
Singapore Airlines
8,2
Very Good
1 633 reviews
Check prices

Entertainment

8,1

Food

7,8

Overall

8,2

Comfort

8,0

Boarding

8,3

Crew

8,6

Reviews

1 / 20
4,0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

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 276, while return flights cost around R2 506.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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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