Cheap flights from Singapore to Ko Samui from $342
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — USM
30 Oct — 6 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to Ko Samui are usually found in October or November, booked 36 days in advance, depart on a Wednesday or Tuesday and return on a Thursday
Cheap flight deals from Singapore to Ko Samui
Enter your travel dates to find the best prices.
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Best
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One-way
Cheapest flights from Singapore to Ko Samui
Explore the most affordable flight options available from Singapore to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 September 2026.
Fri 30/1016:15 -
Nonstop1h 55m
Mon 2/1112:00 -
Nonstop1h 55m
Deal found 29/9$403
Sun 8/1116:15 -
Nonstop1h 55m
Tue 10/1118:05 -
Nonstop2h 00m
Deal found 28/9$417
Tue 10/1106:40 -
1 stop6h 10m
Tue 17/1108:15 -
1 stop7h 55m
Deal found 26/9$476
Sun 8/1121:40 -
1 stop13h 45m
Tue 10/1118:05 -
Nonstop2h 00m
Deal found 28/9$486
Fri 13/1114:25 -
1 stop6h 25m
Fri 20/1112:00 -
Nonstop1h 55m
Deal found 29/9$510
Fri 30/1010:55 -
1 stop4h 35m
Mon 2/1118:15 -
1 stop4h 10m
Deal found 29/9$543
Sun 1/1116:15 -
Nonstop1h 55m
Thu 5/1112:00 -
Nonstop1h 55m
Deal found 24/9$552
Best flights from Singapore to Ko Samui
Discover carefully curated flight deals from Singapore to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.
Sun 28/216:15 -
Nonstop1h 55m
Sat 6/308:55 -
Nonstop1h 50m
Deal found 30/9$413
Sun 28/212:25 -
1 stop8h 25m
Sat 6/307:00 -
2 stops8h 40m
Deal found 30/9$859
Sun 1/1116:15 -
Nonstop1h 55m
Thu 5/1112:00 -
Nonstop1h 55m
Deal found 26/9$553
Thu 7/117:20 -
Nonstop1h 55m
Fri 19/307:55 -
1 stop5h 55m
Deal found 26/9$1,148
Wed 11/1100:55 -
2 stops12h 40m
Thu 19/1119:10 -
2 stops14h 15m
Deal found 28/9$1,435
Tue 27/1000:55 -
2 stops12h 40m
Tue 3/1108:30 -
2 stops14h 15m
Deal found 25/9$1,448
Tue 3/1100:55 -
2 stops12h 40m
Tue 10/1119:10 -
2 stops14h 15m
Deal found 27/9$1,451
Sat 27/200:55 -
2 stops12h 40m
Sat 6/308:40 -
2 stops14h 05m
Deal found 30/9$1,636
Fri 16/1010:05 -
2 stops12h 30m
Sun 25/1008:30 -
2 stops14h 15m
Deal found 25/9$1,874
Sat 7/1100:55 -
2 stops12h 40m
Tue 10/1118:40 -
2 stops14h 45m
Deal found 28/9$1,932
Thu 11/200:55 -
2 stops12h 40m
Sat 27/207:55 -
2 stops14h 50m
Deal found 28/9$2,316
Direct flights from Singapore to Ko Samui
Explore direct flight options from Singapore to Ko Samui based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 September 2026.
Fri 30/1016:15 -
Nonstop1h 55m
Mon 2/1112:00 -
Nonstop1h 55m
Deal found 29/9$403
Sun 8/1116:15 -
Nonstop1h 55m
Tue 10/1118:05 -
Nonstop2h 00m
Deal found 28/9$417
Sun 1/1116:15 -
Nonstop1h 55m
Thu 5/1112:00 -
Nonstop1h 55m
Deal found 24/9$552
Fri 6/1116:15 -
Nonstop1h 55m
Mon 9/1112:00 -
Nonstop1h 55m
Deal found 29/9$735
Fri 6/1117:20 -
Nonstop1h 55m
Mon 9/1113:25 -
Nonstop1h 55m
Deal found 26/9$771
Last-minute flights from Singapore to Ko Samui
Discover last-minute flight deals from Singapore to Ko Samui. Data last updated 30 September 2026 and is based on user searches.
Tue 29/915:55 -
1 stop5h 55m
Sat 3/1006:00 -
1 stop7h 30m
Deal found 29/9$1,079
Thu 8/1010:05 -
2 stops12h 30m
Sun 11/1018:55 -
2 stops13h 10m
Deal found 28/9$2,005
Fri 9/1010:05 -
2 stops12h 30m
Tue 13/1018:25 -
2 stops13h 40m
Deal found 25/9$1,638
Fri 16/1010:05 -
2 stops12h 30m
Sun 25/1008:30 -
2 stops14h 15m
Deal found 25/9$1,874
Mon 26/1000:55 -
2 stops12h 40m
Sat 31/1007:55 -
2 stops14h 50m
Deal found 26/9$1,829
Tue 27/1000:55 -
2 stops12h 40m
Tue 3/1108:30 -
2 stops14h 15m
Deal found 28/9$1,434
Fri 30/1016:15 -
Nonstop1h 55m
Mon 2/1112:00 -
Nonstop1h 55m
Deal found 29/9$403
Fri 30/1010:55 -
1 stop4h 35m
Mon 2/1118:15 -
1 stop4h 10m
Deal found 29/9$543
One-way flights from Singapore to Ko Samui
Search for one-way flight options from Singapore to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.
Mon 19/1012:15 -
2 stops9h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/9$460
Sat 3/1012:15 -
2 stops9h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9$476
Mon 9/1111:15 -
2 stops10h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/9$478
Mon 26/1020:45 -
2 stops19h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/9$836
Find flight deals from Singapore to Ko Samui
Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 September 2026.
Customise your flight search to find flights from Singapore to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 30 September 2026.
Use the filters below to find and compare flights from Singapore to Ko Samui that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Sun 3/1
17:20-18:15
Nonstop1h 55m
Ko Samui
Wed 31/12
00:00-00:30
Nonstop0h 00m
$342
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Sun 7/2
17:20-18:15
Nonstop1h 55m
Ko Samui
Wed 31/12
00:00-00:30
Nonstop0h 00m
$405
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Sun 28/2
16:15-17:10
Nonstop1h 55m
Ko Samui
Sat 6/3
08:55-11:45
Nonstop1h 50m
$413
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Mon 19/10
12:15-20:30
2 stops9h 15m
Ko Samui
Wed 31/12
00:00-00:30
Nonstop0h 00m
$460
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Tue 16/2
11:15-21:20
2 stops11h 05m
Ko Samui
Wed 31/12
00:00-00:30
Nonstop0h 00m
$462
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Sat 13/3
12:55-20:25
2 stops8h 30m
Ko Samui
Wed 31/12
00:00-00:30
Nonstop0h 00m
$462
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Fri 22/1
06:20-15:35
2 stops10h 15m
Ko Samui
Wed 31/12
00:00-00:30
Nonstop0h 00m
$475
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Wed 24/2
11:15-21:20
2 stops11h 05m
Ko Samui
Wed 31/12
00:00-00:30
Nonstop0h 00m
$476
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Sun 1/11
16:15-17:10
Nonstop1h 55m
Ko Samui
Thu 5/11
12:00-14:55
Nonstop1h 55m
$553
SingaporeKo Samui
SIN Singapore Changi - USM Ko Samui
SINUSM
Singapore Changi
Sun 28/2
12:25-19:50
1 stop8h 25m
Ko Samui
Sat 6/3
07:00-16:40
2 stops8h 40m
$859
Flights are sorted by cheapest return flights first.
Deals found on 28/9
Showing 1-10 of 18 resultsSorted by cheapest first
1
2
Best time to book a flight from Singapore to Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Singapore with our price prediction graph.
SIN-USM
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Singapore to Ko Samui
Prices
Airlines
Delays
How far ahead should I book a flight from Singapore to Ko Samui?
The price you pay for your flight from Singapore to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Singapore to Ko Samui?
Currently, October is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $452). Flying from Singapore to Ko Samui in April is currently the most expensive (average of $585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SIN to USM?
Find hourly flight availability from Singapore to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 September 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Ko Samui as you normally would.
How much does it cost for a return flight from Singapore to Ko Samui?
Airfare is below average for this route at the moment.
Singapore to Ko Samui flights typically cost between $413 and $532 in October.The cheapest return price found within the last 5 days was $403 on Scoot (30 Oct–2 Nov).
Weekly flight availability from Singapore to Ko Samui
Explore weekly flight availability from Singapore to Ko Samui. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 September 2026.
The most flights from SIN to USM are scheduled on a Monday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 on average).
How often are flights from Singapore to Ko Samui delayed?
About 10% of weekly flights between Singapore and Ko Samui have experienced delays in the past year, with the average delay time being 96 minutes.
What is the most punctual flight time for Singapore to Ko Samui flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Singapore to Ko Samui flights?
Over the past year, Scoot have had the lowest number of delays on this route, with just 9% of flights being delayed.
Reviews of airlines servicing Ko Samui
Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 30 September 2026.
See what other customers who have flown with Bangkok Airways and Scoot from Singapore to Ko Samui have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Great short flight and free really good snack and water which I didn’t expect
Related info for your journey
Find useful and relevant information for your journey from Singapore to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airports do I use to fly from Singapore to Ko Samui?
You will need to book a flight from Singapore Changi to Ko Samui if you want to fly from Singapore to Ko Samui. At least 2 different airlines have flights from Changi (SIN) to Ko Samui (USM) on a regular basis. There are 32 flights to Ko Samui from the Singapore airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SIN to USM to be around 2h 00m.
How popular is this Singapore to Ko Samui flight route?
The Singapore Changi to Ko Samui flight path was viewed by 40 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Singapore to Ko Samui?
There are many flights that can get you from Singapore to Ko Samui in 1h 55m. Fly via Scoot, Bangkok Airways, or Philippine Airlines to get the fastest option. Singapore and Ko Samui are separated by a distance of 1009 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Singapore to Ko Samui round-trip?
Currently priced at $360, Scoot will fly you from Singapore to Ko Samui and back. In addition to Scoot, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Bangkok Airways for as low as $401. Users have found that Scoot is 30% cheaper than the other options available to this destination.
What are the most reliable airlines from Singapore to Ko Samui?
Before booking your flight to Ko Samui from Singapore, have a look at the most reliable airlines to get you to your destination on time: Scoot (88%), Singapore Airlines (85%), Qatar Airways( 79%).
What are the cheapest flights from Singapore to Ko Samui?
Looking at all options, your cheapest flight can be booked for $176. While the most popular route (Singapore Changi - Ko Samui) can be booked for $835 on average, our data indicates $312 when flying from Singapore to Ko Samui.
Can I find deals for business class flights from Singapore to Ko Samui?
Yes. Cheapflights offers flight deals from Singapore to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Singapore to Ko Samui?
Currently, October is the cheapest month in which you can book a flight from Singapore to Ko Samui (average of $452). Flying from Singapore to Ko Samui in April is currently the most expensive (average of $585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.
Browse through other flights departing from Singapore. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.
Discover the top 2 airlines that operate flights from Singapore to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 30 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Singapore to Ko Samui?
Cheapflights helps you search for flights from Singapore to Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Singapore to Ko Samui?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui from Singapore.
Can Cheapflights find flights from Singapore to Ko Samui with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Singapore to Ko Samui, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Singapore to Ko Samui become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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