$128 Cheap Flights from Samui Intl. Airport (USM) to Singapore (SIN)

View $128 flight on Thu, Nov 20, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $128 for one-way flights and $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Sun, May 17 - Mon, May 18
USM
Koh Samui
SIN
Singapore
$285 Roundtrip, just found
$285
Roundtrip
just found
Select Scoot flight, departing Sun, May 17 from Koh Samui to Singapore, returning Mon, May 18, priced at $285 just found
Scoot
Fri, Sep 12 - Fri, Sep 19
USM
Koh Samui
SIN
Singapore
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select Scoot flight, departing Fri, Sep 12 from Koh Samui to Singapore, returning Fri, Sep 19, priced at $285 found 1 day ago
Scoot
Wed, Nov 5 - Sun, Nov 9
USM
Koh Samui
SIN
Singapore
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
Select Scoot flight, departing Wed, Nov 5 from Koh Samui to Singapore, returning Sun, Nov 9, priced at $286 found 2 days ago
Scoot
Thu, Sep 18 - Sun, Sep 21
USM
Koh Samui
SIN
Singapore
$287 Roundtrip, found 5 days ago
$287
Roundtrip
found 5 days ago
Select Scoot flight, departing Thu, Sep 18 from Koh Samui to Singapore, returning Sun, Sep 21, priced at $287 found 5 days ago
Scoot
Sun, May 17 - Mon, May 18
USM
Koh Samui
SIN
Singapore
$291 Roundtrip, just found
$291
Roundtrip
just found
Select Scoot flight, departing Sun, May 17 from Koh Samui to Singapore, returning Mon, May 18, priced at $291 just found
Scoot
Wed, Aug 27 - Wed, Sep 3
USM
Koh Samui
SIN
Singapore
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select Scoot flight, departing Wed, Aug 27 from Koh Samui to Singapore, returning Wed, Sep 3, priced at $291 found 1 day ago
Scoot
Sun, Apr 12 - Tue, Apr 14
USM
Koh Samui
SIN
Singapore
$293 Roundtrip, found 6 days ago
$293
Roundtrip
found 6 days ago
Select Scoot flight, departing Sun, Apr 12 from Koh Samui to Singapore, returning Tue, Apr 14, priced at $293 found 6 days ago
Bangkok Airways
Sun, May 17 - Mon, May 18
USM
Koh Samui
SIN
Singapore
$479 Roundtrip, just found
$479
Roundtrip
just found
Select Bangkok Airways flight, departing Sun, May 17 from Koh Samui to Singapore, returning Mon, May 18, priced at $479 just found
Malaysia Airlines
Fri, Sep 12 - Fri, Sep 19
USM
Koh Samui
SIN
Singapore
$560 Roundtrip, found 1 day ago
$560
Roundtrip
found 1 day ago
Select Malaysia Airlines flight, departing Fri, Sep 12 from Koh Samui to Singapore, returning Fri, Sep 19, priced at $560 found 1 day ago
Thai Airways International
Sun, May 17 - Mon, May 18
USM
Koh Samui
SIN
Singapore
$667 Roundtrip, just found
$667
Roundtrip
just found
Select Thai Airways International flight, departing Sun, May 17 from Koh Samui to Singapore, returning Mon, May 18, priced at $667 just found

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

May is typically the cheapest month to fly

From $233 - $346 per traveler.

Graph displaying average flight prices per month

Alternative airports near Singapore

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

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $504
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $504
Flights from Samui Intl. Airport (USM) to Singapore (SIN)
Origin airport
Samui Intl. Airport
Destination airport
Changi
Airlines serving
Bangkok Airways, Malaysia Airlines, Scoot
Roundtrip price
$284
Distance
627 mi
Average flight time
2 hours 59 mins

Samui Intl. Airport to Singapore Flights

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

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

 

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

Sunday is one of the best days to book for cheap flights from Samui Intl. Airport to Singapore: 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 Samui Intl. Airport to Singapore

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 Samui Intl. Airport to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $128 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 Samui Intl. Airport to Singapore 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 Samui Intl. Airport to Singapore 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 Ko Samui Airport (USM) to Changi Airport (SIN) cost?
Cheap return flights from Ko Samui Airport (USM) to Changi Airport (SIN) start from $286. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Scoot flight leaving USM on August 1 2025 and touching down at SIN. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from USM to SIN?
The cheapest flights from USM to SIN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Ko Samui Airport (USM) to Changi Airport (SIN)?
You can fly directly from Ko Samui Airport (USM) to Changi Airport (SIN) on a Scoot flight.
What is the cheapest airline that flies from USM to SIN?
With prices starting from $128 for a one-way flight from USM to SIN, Scoot is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from USM on September 23 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Ko Samui Airport (USM) to Changi Airport (SIN)?
Daily, an average of 5 nonstop flights take off from Ko Samui Airport (USM) to Changi Airport (SIN). Pick the departure time that best suits your travel plans.
What are the most popular departure times for flights from Ko Samui Airport (USM) to Changi Airport (SIN)?
Flights between USM and SIN are their busiest at 8 AM. If you're after a more relaxed atmosphere and possibly cheaper prices, choose a departure outside the usual busy windows.
What day of the week has the most flights from USM to SIN?
Jet off on a Thursday if you're after the best choice of flights from Ko Samui Airport (USM) to Changi Airport (SIN).
What is the earliest flight from Ko Samui Airport (USM) to Changi Airport (SIN)?
Take the earliest flight at around 8:15AM UTC+7, departing from Ko Samui Airport (USM). You'll be flying for roughly 1h 55m, coming in to land at Changi Airport (SIN) at approximately 11:10AM UTC+8.
How long does it take to fly from Ko Samui Airport (USM) to Changi Airport (SIN)?
Typically, it takes 1 hour and 55 minutes to cover the 630 mi from USM to SIN.
What is the best time to fly from Ko Samui Airport (USM) to Changi Airport (SIN)?
To land at Changi Airport (SIN) without delays, pick a flight that leaves Ko Samui Airport (USM) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Singapore from Ko Samui Airport (USM)?
Check out your flight options from Ko Samui Airport (USM) to Changi Airport (SIN). This is the only Singapore airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Ko Samui Airport (USM) to Changi Airport (SIN) last-minute?
Waiting until just before your trip to book a flight from USM to SIN generally means paying more. While you might find some last-minute deals, there's no guarantee. Keep your travel plans flexible to maximize your chances of scoring a bargain.
Is it cheaper to book an USM to SIN flight and hotel package?
Securing an USM to SIN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ko Samui Airport (USM) to Changi Airport (SIN)?
In most instances, you're able to cancel or reschedule your USM to SIN flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.