$539 Cheap Flights from Johannesburg (JNB) to Samui Intl. Airport (USM)

View $539 flight on Fri, Apr 24, 2026Opens in a new window

Popular airlines from O.R. Tambo Intl. Airport (JNB) to Samui Intl. Airport (USM)

Cheap Flights from Johannesburg to Samui Intl. Airport (JNB-USM)

Prices were available within the past 7 days and start at $539 for one-way flights and $812 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Fri, Mar 20 - Tue, Mar 31
JNB
Johannesburg
USM
Koh Samui
$812 Roundtrip, found 4 days ago
$812
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Fri, Mar 20 from Johannesburg to Koh Samui, returning Tue, Mar 31, priced at $812 found 4 days ago
Singapore Airlines
Fri, Mar 20 - Tue, Mar 31
JNB
Johannesburg
USM
Koh Samui
$830 Roundtrip, found 4 days ago
$830
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Fri, Mar 20 from Johannesburg to Koh Samui, returning Tue, Mar 31, priced at $830 found 4 days ago
Singapore Airlines
Fri, Mar 20 - Tue, Mar 31
JNB
Johannesburg
USM
Koh Samui
$833 Roundtrip, found 4 days ago
$833
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Fri, Mar 20 from Johannesburg to Koh Samui, returning Tue, Mar 31, priced at $833 found 4 days ago
Singapore Airlines
Tue, Mar 3 - Tue, Mar 10
JNB
Johannesburg
USM
Koh Samui
$849 Roundtrip, found 3 days ago
$849
Roundtrip
found 3 days ago
Select Singapore Airlines flight, departing Tue, Mar 3 from Johannesburg to Koh Samui, returning Tue, Mar 10, priced at $849 found 3 days ago
Singapore Airlines
Fri, Mar 20 - Tue, Mar 31
JNB
Johannesburg
USM
Koh Samui
$851 Roundtrip, found 4 days ago
$851
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Fri, Mar 20 from Johannesburg to Koh Samui, returning Tue, Mar 31, priced at $851 found 4 days ago
Singapore Airlines
Fri, Apr 24 - Sat, May 2
JNB
Johannesburg
USM
Koh Samui
$853 Roundtrip, found 5 days ago
$853
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Fri, Apr 24 from Johannesburg to Koh Samui, returning Sat, May 2, priced at $853 found 5 days ago
Etihad Airways
Tue, Nov 11 - Mon, Nov 24
JNB
Johannesburg
USM
Koh Samui
$907 Roundtrip, found 4 days ago
$907
Roundtrip
found 4 days ago
Select Etihad Airways flight, departing Tue, Nov 11 from Johannesburg to Koh Samui, returning Mon, Nov 24, priced at $907 found 4 days ago
Cathay Pacific
Sun, Apr 26 - Mon, May 11
JNB
Johannesburg
USM
Koh Samui
$912 Roundtrip, found 4 days ago
$912
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Sun, Apr 26 from Johannesburg to Koh Samui, returning Mon, May 11, priced at $912 found 4 days ago
Ethiopian Airlines
Wed, Apr 29 - Wed, May 13
JNB
Johannesburg
USM
Koh Samui
$929 Roundtrip, found 4 days ago
$929
Roundtrip
found 4 days ago
Select Ethiopian Airlines flight, departing Wed, Apr 29 from Johannesburg to Koh Samui, returning Wed, May 13, priced at $929 found 4 days ago
Emirates
Fri, Apr 24 - Sat, May 2
JNB
Johannesburg
USM
Koh Samui
$966 Roundtrip, found 5 days ago
$966
Roundtrip
found 5 days ago
Select Emirates flight, departing Fri, Apr 24 from Johannesburg to Koh Samui, returning Sat, May 2, priced at $966 found 5 days ago

Frequently asked questions

How much does a flight from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM) cost?
Get a cheap one-way flight from $539 or cheap return flight from $812 from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
The cheapest month to fly from JNB to USM is March, when there's less demand. Off-peak season is often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest JNB to USM flight.
How many flights per day from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
There are no daily direct flights from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from JNB to USM?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
Opt for a flight from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM) last-minute?
Booking your ticket from JNB to USM right before your journey is typically more expensive. But if you're flexible with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a JNB to USM flight and hotel package?
You can save money by securing a JNB to USM flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
You can usually cancel or reschedule your JNB to USM flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
O.R. Tambo Intl.
Destination airport
Samui Intl. Airport
Roundtrip price
$812
Distance
5408 mi

Book with confidence

Book with confidence

Johannesburg to Samui Intl. Airport Flights

The cheapest times to fly from Johannesburg to Samui Intl. Airport

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Johannesburg to Samui Intl. Airport are during the month of March. You can find some of the cheapest flights from Johannesburg to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Johannesburg to Samui Intl. Airport

Sunday is one of the best days to book for cheap flights from Johannesburg to Samui Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Johannesburg to Samui Intl. Airport

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Johannesburg to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $539 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Johannesburg to Samui Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Johannesburg to Samui Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Johannesburg to Samui Intl. Airport Flights
*Available to One Key members.