Flights to Ko Samui

R14 041 Cheap flights to Ko Samui

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Ko Samui departing on 16/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from South Africa to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Emirates Logo
13:30 - 16:55
JNB
-
USM
22h 25m
2 stops
Emirates Logo
17:55 - 10:15
USM
-
JNB
21h 20m
2 stops
R14 958Emirates
Fri, May 15 - Tue, May 19
Emirates Logo
10:05 - 11:55
JNB
-
USM
20h 50m
2 stops
Emirates Logo
19:00 - 10:15
USM
-
JNB
20h 15m
2 stops
R14 974Emirates
Thu, Sep 3 - Sat, Sep 19
Emirates Logo
13:30 - 16:55
JNB
-
USM
22h 25m
2 stops
Emirates Logo
19:00 - 20:35
USM
-
JNB
30h 35m
2 stops
R15 007Emirates
Fri, Sep 4 - Fri, Sep 18
Emirates Logo
13:30 - 18:00
JNB
-
USM
23h 30m
2 stops
Emirates Logo
14:30 - 10:15
USM
-
JNB
24h 45m
2 stops
R15 023Emirates
Fri, May 15 - Tue, May 19
Emirates Logo
13:30 - 18:00
JNB
-
USM
23h 30m
2 stops
Emirates Logo
19:00 - 16:15
USM
-
JNB
26h 15m
2 stops
R15 056Emirates
Fri, May 15 - Tue, May 19
Emirates Logo
13:30 - 17:45
JNB
-
USM
23h 15m
2 stops
Emirates Logo
19:00 - 10:15
USM
-
JNB
20h 15m
2 stops
R15 203Emirates
Sun, May 3 - Sun, May 17
Emirates Logo
13:30 - 16:30
JNB
-
USM
22h 00m
2 stops
Emirates Logo
19:00 - 10:15
USM
-
JNB
20h 15m
2 stops
R15 252Emirates
Sun, May 3 - Sun, May 17
Emirates Logo
13:30 - 16:35
JNB
-
USM
22h 05m
2 stops
Emirates Logo
17:55 - 16:15
USM
-
JNB
27h 20m
2 stops
R15 285Emirates
Sun, May 3 - Sun, May 17
Emirates Logo
13:30 - 17:05
JNB
-
USM
22h 35m
2 stops
Emirates Logo
17:55 - 16:15
USM
-
JNB
27h 20m
2 stops
R15 301Emirates
Sun, May 3 - Sun, May 17
Emirates Logo
10:05 - 17:05
JNB
-
USM
26h 00m
2 stops
Emirates Logo
17:50 - 20:35
USM
-
JNB
31h 45m
2 stops
R15 612Emirates
Fri, Apr 24 - Fri, May 1

momondo Fare Finder

 
Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13 550 searches and data was last updated on 12 March 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

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 15/5

13:30-16:55

2 stops22h 25m

Ko Samui

Tue 19/5

17:55-10:15

2 stops21h 20m

R14 958
Fastest return journey

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Thu 3/9

10:05-11:55

2 stops20h 50m

Ko Samui

Sat 19/9

19:00-10:15

2 stops20h 15m

R14 974

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 4/9

13:30-16:55

2 stops22h 25m

Ko Samui

Fri 18/9

19:00-20:35

2 stops30h 35m

R15 007

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 15/5

13:30-18:00

2 stops23h 30m

Ko Samui

Tue 19/5

14:30-10:15

2 stops24h 45m

R15 023

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 15/5

13:30-18:00

2 stops23h 30m

Ko Samui

Tue 19/5

19:00-16:15

2 stops26h 15m

R15 056

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 3/5

13:30-17:45

2 stops23h 15m

Ko Samui

Sun 17/5

19:00-10:15

2 stops20h 15m

R15 203

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 3/5

13:30-16:30

2 stops22h 00m

Ko Samui

Sun 17/5

19:00-10:15

2 stops20h 15m

R15 252

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 285

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Sun 3/5

13:30-17:05

2 stops22h 35m

Ko Samui

Sun 17/5

17:55-16:15

2 stops27h 20m

R15 301

JohannesburgKo Samui

JNB - USM

JNBUSM

Johannesburg OR Tambo

Fri 24/4

10:05-17:05

2 stops26h 00m

Ko Samui

Fri 1/5

17:50-20:35

2 stops31h 45m

R15 612

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Ko Samui from

Ko Samui flights insights and trends

Explore insights for your Ko Samui flight to craft the best travel plan

What is the cheapest month to fly to Ko Samui?

The cheapest month to fly to Ko Samui from South Africa is in September. Flight prices, which tend to average around R12 912, are often lower during this time because this is during the off-season. If you don’t want to visit Ko Samui in September, then you should wait until May to fly from South Africa, when ticket prices are also cheap, with an average price of R14 074.

How far in advance should I book a flight to Ko Samui?

You are more likely to see cheaper flights to Ko Samui from South Africa when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around R15 938 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from South Africa for as low as R10 932 on momondo.

Cheapest flights to Ko Samui

Find the cheapest flights to Ko Samui from your nearest city or airport
CHEAPEST MONTH TO FLY TO KO SAMUI FROM JOHANNESBURG OR TAMBO AIRPORTSeptember19% cheaperFlying from Johannesburg OR Tambo Airport to Ko Samui costs on average just R12 912 in September
MOST EXPENSIVE MONTH TO FLY TO KO SAMUI FROM JOHANNESBURG OR TAMBO AIRPORTDecember23% more expensiveIt costs about R19 654 for flights to Ko Samui from Johannesburg OR Tambo Airport in December
MOST POPULAR MONTH TO FLY TO KO SAMUI FROM JOHANNESBURG OR TAMBO AIRPORTDecember265% more users visitedMore momondo users searched in flights to Ko Samui from Johannesburg OR Tambo Airport in December than any other month

Cheap Ko Samui flight deals and tips

Summary info about Ko Samui flight prices, duration and airlines

Best One-Way Price

R14 041

Best Round-Trip Price

R14 958

Fastest flight time

18h 00m

Popular in

December
The best one-way flight price to Ko Samui from South Africa in the last 72 hours is R14 041 (Johannesburg OR Tambo to Ko Samui).
The best round-trip flight price to Ko Samui from South Africa in the last 72 hours is R14 958 (Johannesburg OR Tambo to Ko Samui).
The fastest flight to Ko Samui from South Africa takes 18h 00m (Johannesburg OR Tambo to Ko Samui).
December has the highest demand for flights to Ko Samui, with a 1% price increase on average.

Frequently asked questions about flying to Ko Samui

What is there to do in Ko Samui when it’s raining?

If you are planning a flight to Ko Samui and are looking to avoid the rain, you should avoid traveling during the months of January, May, and October. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Ko Samui, there are still things to do and ways to enjoy your trip. For those looking to get out of the rain and do a little shopping, check out Fishermans Village.

When is the best time to plan a beach trip to Ko Samui?

Visitors planning their holidays in Ko Samui should book their flights for February, March, or April if they are planning on visiting Chaweng Beach. Consider visiting Lamai Beach during your Ko Samui visit as well.

How far in advance should I book a flight to Ko Samui?

You are more likely to see cheaper flights to Ko Samui from South Africa when booking 39 days ahead of your departure date. In general, you can expect to find flights to Ko Samui for around R15 938 when searching 39 days out.

Is there an alternative airport near Ko Samui?

Surat Thani Airport, Nakhon Si Thammarat Airport or Chumphon Airport can be an alternative airport used for travel to Ko Samui.

Is there a cheaper alternative to flying into Ko Samui?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Ko Samui is Surat Thani Airport where the average price is R1 193. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Ko Samui Airport?

Prices for flights to Ko Samui Airport are refreshed on a daily basis.

How many operators does momondo search for flights to Ko Samui Airport?

How old do you have to be to fly to Ko Samui Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Why use momondo?

Why should I use momondo to find a flight deal to Ko Samui?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for flights to Ko Samui to just show those with flexible booking policies.

How can momondo help me find flights to Ko Samui?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Ko Samui.

I’m not ready to book a flight to Ko Samui right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ko Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Sat 11/4
Sat 18/4

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Popular Flights to Ko Samui

Popular routes according to searches in the past day on momondo