$573 Cheap Singapore Airlines flights Johannesburg (JNB) to Samui Intl. Airport (USM)

View $573 flight on Thu, Nov 27, 2025Opens in a new window

$573 Cheap Singapore Airlines flights Johannesburg (JNB) to Samui Intl. Airport (USM)

Prices were available within the past 7 days and start at $573 for one-way flights and $981 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Thu, Nov 27 - Tue, Dec 2
JNB
Johannesburg
USM
Koh Samui
$981 Roundtrip, found 5 days ago
$981
Roundtrip
found 5 days ago
Select Singapore Airlines flight, departing Thu, Nov 27 from Johannesburg to Koh Samui, returning Tue, Dec 2, priced at $981 found 5 days ago
Singapore Airlines
Sat, Apr 11 - Sun, Apr 26
JNB
Johannesburg
USM
Koh Samui
$988 Roundtrip, found 6 days ago
$988
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Sat, Apr 11 from Johannesburg to Koh Samui, returning Sun, Apr 26, priced at $988 found 6 days ago
Singapore Airlines
Sat, Apr 11 - Sun, Apr 26
JNB
Johannesburg
USM
Koh Samui
$1,021 Roundtrip, found 6 days ago
$1,021
Roundtrip
found 6 days ago
Select Singapore Airlines flight, departing Sat, Apr 11 from Johannesburg to Koh Samui, returning Sun, Apr 26, priced at $1,021 found 6 days ago
Flights from Johannesburg (JNB) to Samui Intl. Airport (USM)
Origin airport
O.R. Tambo Intl.
Destination airport
Samui Intl. Airport
Distance
5408 mi

Frequently asked questions

How much is a Singapore Airlines flight from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
You can discover affordable round-trip Singapore Airlines flights from $981 from JNB to USM by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $573 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from JNB to USM with Singapore Airlines?
October is one of the most affordable months to jet off to Koh Samui with Singapore Airlines. You could also find great prices on one-way and round-trip fares in September.
What is the cheapest time to book flights from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM) with Singapore Airlines?
Look for Singapore Airlines flights from JNB to USM about one month before you want to go. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your fare class or itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Singapore Airlines fly nonstop from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
To see if there's a direct journey from JNB to USM with Singapore Airlines or another carrier, select the "Nonstop" filter when looking for flights.
What is the earliest Singapore Airlines flight from JNB to USM?
Browse Singapore Airlines's earliest flights from JNB to USM by selecting the "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Singapore Airlines fly into in Koh Samui?
Ko Samui Airport (USM) is the primary Koh Samui hub for Singapore Airlines flights from O.R. Tambo Intl. Airport (JNB).
What kind of luggage can I take on a Singapore Airlines flight from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
For checked luggage, passengers can take 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 31 inches x 29 inches x 78 inches. You can also travel with 2 cabin bags in the cabin when flying standard economy from JNB to USM with Singapore Airlines. This carry-on has to weigh less than 15 lb and be no larger than 45 inches. Going over these restrictions can mean additional charges, so check Singapore Airlines's baggage allowance policies before packing.
Why fly with Singapore Airlines from JNB to USM?
Heading from JNB to USM with Singapore Airlines comes with a variety of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the Singapore Airlines KrisFlyer points you can earn with Singapore Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Singapore Airlines flight from O.R. Tambo Intl. Airport (JNB) to Ko Samui Airport (USM)?
Depending on the type of ticket you purchased, a fee generally applies if you cancel or change your flight more than 24 hours after it's been confirmed. To secure flexible plane tickets, select our "Changes included" or "No cancel fee" filter when searching for flights. To learn more about canceling or changing your reservation, go to "Trips," select your flight and click on "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.