$147 Cheap Flights from Singapore (SIN) to Samui Intl. Airport (USM)

View $147 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to Samui Intl. Airport (USM)

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Cheap Flights from Singapore to Samui Intl. Airport (SIN-USM)

Prices were available within the past 7 days and start at $147 for one-way flights and $263 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Mon, Oct 20 - Fri, Oct 24
SIN
Singapore
USM
Koh Samui
$263 Roundtrip, found 16 hours ago
$263
Roundtrip
found 16 hours ago
Select Scoot flight, departing Mon, Oct 20 from Singapore to Koh Samui, returning Fri, Oct 24, priced at $263 found 16 hours ago
Scoot
Mon, Oct 13 - Fri, Oct 17
SIN
Singapore
USM
Koh Samui
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select Scoot flight, departing Mon, Oct 13 from Singapore to Koh Samui, returning Fri, Oct 17, priced at $263 found 1 day ago
Scoot
Mon, Oct 13 - Tue, Oct 21
SIN
Singapore
USM
Koh Samui
$265 Roundtrip, found 2 hours ago
$265
Roundtrip
found 2 hours ago
Select Scoot flight, departing Mon, Oct 13 from Singapore to Koh Samui, returning Tue, Oct 21, priced at $265 found 2 hours ago
Scoot
Mon, Oct 20 - Fri, Oct 24
SIN
Singapore
USM
Koh Samui
$283 Roundtrip, found 16 hours ago
$283
Roundtrip
found 16 hours ago
Select Scoot flight, departing Mon, Oct 20 from Singapore to Koh Samui, returning Fri, Oct 24, priced at $283 found 16 hours ago
Scoot
Tue, Aug 26 - Tue, Sep 2
SIN
Singapore
USM
Koh Samui
$283 Roundtrip, found 1 day ago
$283
Roundtrip
found 1 day ago
Select Scoot flight, departing Tue, Aug 26 from Singapore to Koh Samui, returning Tue, Sep 2, priced at $283 found 1 day ago
Scoot
Mon, Oct 13 - Tue, Oct 21
SIN
Singapore
USM
Koh Samui
$284 Roundtrip, found 2 hours ago
$284
Roundtrip
found 2 hours ago
Select Scoot flight, departing Mon, Oct 13 from Singapore to Koh Samui, returning Tue, Oct 21, priced at $284 found 2 hours ago
Scoot
Tue, Oct 7 - Tue, Oct 14
SIN
Singapore
USM
Koh Samui
$285 Roundtrip, found 5 days ago
$285
Roundtrip
found 5 days ago
Select Scoot flight, departing Tue, Oct 7 from Singapore to Koh Samui, returning Tue, Oct 14, priced at $285 found 5 days ago
Scoot
Mon, Oct 20 - Fri, Oct 24
SIN
Singapore
USM
Koh Samui
$291 Roundtrip, found 16 hours ago
$291
Roundtrip
found 16 hours ago
Select Scoot flight, departing Mon, Oct 20 from Singapore to Koh Samui, returning Fri, Oct 24, priced at $291 found 16 hours ago
Thai Airways International
Thu, Nov 13 - Fri, Nov 21
SIN
Singapore
USM
Koh Samui
$560 Roundtrip, found 1 day ago
$560
Roundtrip
found 1 day ago
Select Thai Airways International flight, departing Thu, Nov 13 from Singapore to Koh Samui, returning Fri, Nov 21, priced at $560 found 1 day ago
Bangkok Airways
Wed, Apr 1 - Sun, Apr 5
SIN
Singapore
USM
Koh Samui
$1,006 Roundtrip, found 1 hour ago
$1,006
Roundtrip
found 1 hour ago
Select Bangkok Airways flight, departing Wed, Apr 1 from Singapore to Koh Samui, returning Sun, Apr 5, priced at $1,006 found 1 hour ago

Find the cheapest month to fly from Singapore (SIN) to Koh Samui (USM)

October is typically the cheapest month to fly

From $242 - $328 per traveler.

Graph displaying average flight prices per month

Alternative airports near Koh Samui

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Samui Intl. Airport USM. Cheapest and Closest option available. Average driving time to city center is 31 minutes. Flights from $387
USM
Samui Intl. Airport
CheapestClosest
Average driving time to city center31 min
Flights from $387
0
Flights from Singapore (SIN) to Samui Intl. Airport (USM)
Origin airport
Changi
Destination airport
Samui Intl. Airport
Airlines serving
Bangkok Airways, Scoot, Thai Airways International
Roundtrip price
$262
Distance
627 mi

Singapore to Samui Intl. Airport Flights

The cheapest times to fly from Singapore 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 Singapore to Samui Intl. Airport are during the month of October. You can find some of the cheapest flights from Singapore to Samui Intl. Airport with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Singapore 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 Singapore 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 Singapore to Samui Intl. Airport in 2025. You can also book with separate airlines for your outbound and return journeys, from $147 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 Singapore 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 Singapore 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.

 

Frequently asked questions

How much does a flight from Changi Airport (SIN) to Ko Samui Airport (USM) cost?
Get a cheap one-way flight from $147 or cheap return flight from $263 from Changi Airport (SIN) to Ko Samui Airport (USM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Changi Airport (SIN) to Ko Samui Airport (USM)?
October is the least expensive month to fly from SIN to USM. Traveling during an off-peak travel window is often the key to finding a great deal.
Which airlines fly direct from Changi Airport (SIN) to Ko Samui Airport (USM)?
Jump on a nonstop flight with Scoot and fly straight from Changi Airport (SIN) to Ko Samui Airport (USM).
What is the cheapest airline that flies from Changi Airport (SIN) to Ko Samui Airport (USM)?
While prices can change depending on your travel dates, Bangkok Airways and Scoot are popular options for flights between Changi Airport (SIN) and Ko Samui Airport (USM). You can also compare airlines on Expedia and use the "Sort by" filter to find the best deal for your SIN to USM flight.
How many flights per day from Changi Airport (SIN) to Ko Samui Airport (USM)?
With an average of 5 direct flights that operate from Changi Airport (SIN) to Ko Samui Airport (USM) daily, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Changi Airport (SIN) to Ko Samui Airport (USM)?
The 5 PM departures from SIN to USM are the most sought after. Prices can be higher for these popular slots. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from SIN to USM?
If you depart on a Thursday, you'll get the greatest range of choices for flights from Changi Airport (SIN) to Ko Samui Airport (USM).
What is the earliest flight from Changi Airport (SIN) to Ko Samui Airport (USM)?
Hop on the earliest flight at around 7:00AM UTC+8, departing from Changi Airport (SIN). You'll be traveling for about 2h, coming in to land at Ko Samui Airport (USM) at approximately 8:00AM UTC+7.
How long does it take to fly from Changi Airport (SIN) to Ko Samui Airport (USM)?
Flights from SIN to USM have an average travel time of 1 hour and 55 minutes. The total distance between these two airports is 630 mi.
What airline has the least delays from SIN to USM?
Consider traveling with Air France if you'd like to fly straight from Changi Airport (SIN) to Ko Samui Airport (USM) without any delays. This carrier has the best track record for punctuality, with an on-time performance of 88%. Want to be updated if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from Changi Airport (SIN) to Ko Samui Airport (USM)?
Select a flight from Changi Airport (SIN) to Ko Samui Airport (USM) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 22% more likely to be canceled.**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.
What airports do you fly into for Koh Samui from Changi Airport (SIN)?
Check out your flight options from Changi Airport (SIN) to Ko Samui Airport (USM). This is the only Koh Samui airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to Ko Samui Airport (USM) last-minute?
Waiting until right before your break to book a ticket from SIN to USM often results in higher prices. While it's possible to find some last-minute deals, they're not always guaranteed. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book a SIN to USM flight and hotel package?
Booking a SIN to USM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Changi Airport (SIN) to Ko Samui Airport (USM)?
You can usually reschedule or cancel your SIN to USM flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.