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Cheap Flights from Singapore to Koh Samui

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Compare Singapore Changi to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

Book the best Samui International fare with no extra fees

Flight deals from Singapore Changi to Samui International

Looking for a cheap last-minute deal or the best return flight from Singapore Changi to Samui International? Find the lowest prices on one-way and return tickets right here.
Koh Samui.$298 per passenger.Departing Sun, 18 May, returning Sun, 25 May.Return flight with Scoot and Bangkok Airways.Outbound indirect flight with Scoot, departs from Singapore Changi on Sun, 18 May, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sun, 25 May, arriving in Singapore Changi.Price includes taxes and charges.From $298, select.
Koh Samui.$337 per passenger.Departing Tue, 3 Jun, returning Sat, 7 Jun.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Singapore Changi on Tue, 3 Jun, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Sat, 7 Jun, arriving in Singapore Changi.Price includes taxes and charges.From $337, select.
Koh Samui.$365 per passenger.Departing Mon, 24 Mar, returning Thu, 27 Mar.Return flight with Scoot and Bangkok Airways.Outbound indirect flight with Scoot, departs from Singapore Changi on Mon, 24 Mar, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Thu, 27 Mar, arriving in Singapore Changi.Price includes taxes and charges.From $365, select.
Koh Samui.$370 per passenger.Departing Fri, 19 Sep, returning Sat, 27 Sep.Return flight with Scoot and Bangkok Airways.Outbound indirect flight with Scoot, departs from Singapore Changi on Fri, 19 Sep, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sat, 27 Sep, arriving in Singapore Changi.Price includes taxes and charges.From $370, select.
Koh Samui.$378 per passenger.Departing Mon, 30 Jun, returning Sun, 6 Jul.Return flight with Scoot and Bangkok Airways.Outbound indirect flight with Scoot, departs from Singapore Changi on Mon, 30 Jun, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sun, 6 Jul, arriving in Singapore Changi.Price includes taxes and charges.From $378, select.
Koh Samui.$379 per passenger.Departing Tue, 22 Apr, returning Mon, 28 Apr.Return flight with Scoot and Bangkok Airways.Outbound indirect flight with Scoot, departs from Singapore Changi on Tue, 22 Apr, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Mon, 28 Apr, arriving in Singapore Changi.Price includes taxes and charges.From $379, select.
Koh Samui.$389 per passenger.Departing Fri, 31 Oct, returning Sat, 15 Nov.Return flight with Scoot and Bangkok Airways.Outbound indirect flight with Scoot, departs from Singapore Changi on Fri, 31 Oct, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sat, 15 Nov, arriving in Singapore Changi.Price includes taxes and charges.From $389, select.
Koh Samui.$391 per passenger.Departing Fri, 21 Mar, returning Sat, 5 Apr.Return flight with Scoot and Bangkok Airways.Outbound indirect flight with Scoot, departs from Singapore Changi on Fri, 21 Mar, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departs from Samui International on Sat, 5 Apr, arriving in Singapore Changi.Price includes taxes and charges.From $391, select.

Find the cheapest month to fly from Singapore Changi to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Singapore Changi to Samui International flights are currently cheapest in May.
Mar
from $365
Apr
from $379
May
from $298
Jun
from $337
Jul
from $419
Aug
from $440
Sep
from $370
Oct
from $391
Nov
from $447
Dec
from $533
Jan
from $463
Feb
from $467

Direct flights from Singapore Changi to Samui International

Singapore Changi to Samui International: Alternative routes

Compare routes from Singapore Changi to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Singapore to Koh Samui: Flight information

The things to know before you go.
Cheapest flight found$298
Cheapest month to flyMay
Average flight time1 hr, 56 mins
Most popular airlineSingapore Airlines
Average flights per week135

Finding cheap flights from Singapore Changi to Samui International: Frequently asked questions

The best price we found for a return flight from Singapore Changi to Samui International is $298. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 56 minutes is the average flight time from Singapore Changi to Samui International.
Singapore Airlines, Scoot and Qatar Airways fly direct from Singapore Changi to Samui International.
As of March 2025, there are 135 flights per week flying from Singapore Changi to Samui International.
The cheapest month to fly from Singapore Changi to Samui International is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Singapore Changi Airport to Samui International Airport on Sunday, 18 May 2025.
Yes – the average flight time is 1 hour and 56 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Scoot offers the cheapest flight tickets to Samui International.

Flying from Changi International Airport (SIN) to Koh Samui Airport (USM): what you need to know

  • 1 hour 59 minutes is the average duration of a direct flight from Changi International Airport to Koh Samui Airport. Thailand is 1 hour behind Singapore and is in the UTC+7 timezone.

  • You can choose from 34 weekly flights from Changi International Airport to Koh Samui Airport. The 07:05 departure with Scoot is the earliest you can take between SIN and USM. Bangkok Airways operates the last service of the day at 20:15.

  • During popular months like August, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during a high season in general.

  • Bangkok Airways has direct flights from Changi International Airport to Koh Samui Airport. Book with this popular carrier, then get ready to tick off the sights in Thailand — and maybe even more of Thailand if your schedule allows.

  • If you'd like a stopover for your flight from Changi International Airport to Koh Samui Airport, simply uncheck 'Direct flights only' and check out your options. These are the most popular stopovers between SIN and USM:

    • Phuket International Airport

    • Suvarnabhumi Airport

    • Don Mueang International Airport

  • Don't forget, you might need a visa to enter Thailand. Visa regulations can differ and travel documentation requirements are always changing. Before organising your cheap ticket from SIN to USM, be sure to check with your carrier and your destination country's local consulate or embassy for the latest information.

How to find the cheapest flights from Changi International Airport (SIN) to Koh Samui Airport (USM)

  • The best price we've seen for a one-way ticket from Changi International Airport to Koh Samui Airport is $153. The cheapest price for a return flight is $298. Remember that fares can change due to availability at the time of booking.

  • Book 10 months before your departure date. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap flight tickets from SIN to USM.

  • Plan your trip for June. That's the cheapest month for tickets from Changi International Airport to Koh Samui Airport. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest price across every month.

  • Sign into your online account or use the app to create a Price Alert. You'll get notified straight away if there's a cheaper deal on this route. It's simple to do, and it'll save you time checking for cheap flight tickets from SIN to USM every day.

  • Play around with filters to find the ideal trip for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Changi International Airport to Koh Samui Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and number of stops.

Handy information about Changi International Airport (SIN)

  • The journey from central Singapore to Changi International Airport takes about 1 hour on public transport. If you drive, ride-share or get a cab, you'll cover the 21 kilometres in 21 minutes or so, depending on traffic.

  • Taking an early flight from Changi International Airport to Koh Samui Airport? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these hotels near SIN:

Arriving at Koh Samui Airport (USM)

Getting from Koh Samui Airport (USM) to central Thailand

  • Koh Samui Airport is about 611 kilometres from central Thailand. The time it takes to get there by cab or car rental depends on the time of day. Do a little research beforehand.

When to fly to Koh Samui Airport (USM)

  • It's time to work out your travel dates for your flight from Changi International Airport to Koh Samui Airport. August is the busiest month to visit Thailand. If you prefer a more relaxed vibe, go in February.

  • Book your flight from Changi International Airport to Koh Samui Airport for April if you'd like to visit Thailand during its warmest month. Expect temperatures of between 24ºC and 41ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from SIN to USM in December. Average temperatures are between 16ºC and 32ºC then.

More about Thailand

  • You've got your flight from SIN to USM organised, now all you need to do is choose where you're going stay in Thailand. Get comfy at Phutawan Resort and use it as your base to discover this destination.

  • Every great holiday has to include some sightseeing. Wat Pu Muang, Wat Ma Muang Ched Ton and Wat Tha Luang are attractions you won't want to skip in Thailand.

Complete your Koh Samui trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. Once you've booked your cheap ticket to Koh Samui Airport, check out our great car rental offers that'll give you the flexibility to see the sights at your own pace. Then, have a look at our exclusive rates for hotels to find your perfect Koh Samui stay.

Plan the rest of your trip from Singapore to Koh Samui

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.