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Cheap flights from Sydney to Koh Samui from $331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Koh Samui departing on 15/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Sydney to Koh Samui

Cheap return flights

These are some of the best return flight deals from Sydney to Koh Samui that have been recently found on momondo from popular airlines, departing in the coming months.
14:05 - 18:30SYD-USM
32h 25m1 stop
08:55 - 12:50USM-SYD
23h 55m1 stop
$619Scoot
Find Deal
Wed, 12 Mar - Wed, 26 Mar
14:05 - 18:30SYD-USM
32h 25m1 stop
08:55 - 12:50USM-SYD
23h 55m1 stop
$625Scoot
Find Deal
Thu, 20 Mar - Wed, 26 Mar
21:50 - 18:30SYD-USM
24h 40m1 stop
08:55 - 20:35USM-SYD
31h 40m1 stop
$669Scoot
Find Deal
Sun, 16 Mar - Mon, 24 Mar
14:05 - 18:30SYD-USM
32h 25m1 stop
08:55 - 12:50USM-SYD
23h 55m1 stop
$695Scoot
Find Deal
Thu, 20 Mar - Thu, 27 Mar
12:50 - 18:30SYD-USM
32h 40m1 stop
19:25 - 11:35USM-SYD
13h 10m1 stop
$713Scoot
Find Deal
Tue, 10 Jun - Thu, 3 Jul
20:45 - 18:30SYD-USM
24h 45m1 stop
07:00 - 09:45USM-SYD
23h 45m2 stops
Tue, 10 Jun - Thu, 3 Jul
14:05 - 18:30SYD-USM
32h 25m1 stop
08:55 - 22:20USM-SYD
33h 25m2 stops
Wed, 12 Mar - Wed, 26 Mar
18:05 - 07:50SYD-USM
16h 45m1 stop
08:45 - 05:55USM-SYD
18h 10m1 stop
$1,152Singapore Airlines
Find Deal
Sat, 10 May - Mon, 2 Jun
16:00 - 19:35SYD-USM
31h 35m2 stops
11:40 - 16:30USM-SYD
24h 50m2 stops
$2,105Cathay Pacific
Find Deal
Tue, 25 Feb - Fri, 28 Feb
19:10 - 10:50SYD-USM
19h 40m1 stop
11:45 - 21:20USM-SYD
29h 35m1 stop
$4,113Singapore Airlines
Find Deal
Wed, 12 Mar - Wed, 19 Mar

Scoot flights from Sydney to Koh Samui

Our best Scoot deals on Sydney to Koh Samui flight tickets
Scoot
12 Mar
SYD14:05Sydney Kingsford Smith
32h 25m
1 stop
USM18:30Ko Samui
26 Mar
USM08:55Ko Samui
23h 55m
1 stop
SYD12:50Sydney Kingsford Smith
Scoot
20 Mar
SYD14:05Sydney Kingsford Smith
32h 25m
1 stop
USM18:30Ko Samui
26 Mar
USM08:55Ko Samui
23h 55m
1 stop
SYD12:50Sydney Kingsford Smith
Scoot
16 Mar
SYD21:50Sydney Kingsford Smith
24h 40m
1 stop
USM18:30Ko Samui
24 Mar
USM08:55Ko Samui
31h 40m
1 stop
SYD20:35Sydney Kingsford Smith

Singapore Airlines flights from Sydney to Koh Samui

Our best Singapore Airlines deals on Sydney to Koh Samui flight tickets
Singapore Airlines
10 May
SYD18:05Sydney Kingsford Smith
16h 45m
1 stop
USM07:50Ko Samui
2 June
USM08:45Ko Samui
18h 10m
1 stop
SYD05:55Sydney Kingsford Smith
Singapore Airlines
12 Mar
SYD19:10Sydney Kingsford Smith
19h 40m
1 stop
USM10:50Ko Samui
19 Mar
USM11:45Ko Samui
29h 35m
1 stop
SYD21:20Sydney Kingsford Smith
Singapore Airlines
26 June
SYD15:00Sydney Kingsford Smith
19h 50m
1 stop
USM07:50Ko Samui
6 July
USM08:45Ko Samui
18h 10m
1 stop
SYD05:55Sydney Kingsford Smith

See travel insights to Koh Samui from

How to get the cheapest flight ticket from Sydney to Koh Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Koh Samui?

In general, August is the cheapest month to fly from Sydney to Koh Samui. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $994. If you aren’t able to travel during the month of August, then book flights to Koh Samui from Sydney during February instead. Flights to Koh Samui in February, while not as cheap as those in August, still average around $1,173.

What is the cheapest day to depart on your flight to Koh Samui?

The cheapest day to depart from Sydney to Koh Samui is on a Tuesday when prices can be found for as low as $1,197. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Koh Samui on Friday is $1,374.

What is the cheapest time of day to depart on your flight to Koh Samui?

The cheapest time of day to fly to Koh Samui is in the evening when flights can be purchased for as low as $1,007. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,409 on average. Flights to Koh Samui from Sydney in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Koh Samui?

You are more likely to see cheaper flights to Koh Samui from Sydney when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Koh Samui for around $1,331 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Koh Samui from Sydney for as low as $1,082 on momondo.

How have Sydney to Koh Samui flight prices changed over time?

As of February 2025, prices for Sydney to Koh Samui flights are approximately 44% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Koh Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Koh Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Koh Samui (SYD to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Koh Samui

Best price found

$331

Fastest flight time

14h 05m

Direct flights

None

Airports in Koh Samui

1 airport
The best one-way flight to Koh Samui from Sydney in the past 72 hours is $331. The best return flight deal from Sydney to Koh Samui found on momondo in the last 72 hours is $619.
The fastest flight from Sydney to Koh Samui takes 14h 05m
There are no direct flights from Sydney to Koh Samui. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Ko Samui Airport.
There is 1 airport near Koh Samui: Ko Samui (USM)

  • How far is Sydney Kingsford Smith to Ko Samui by plane?

    The distance between Sydney Kingsford Smith and Ko Samui is about 7231.6 km. By plane, this route typically takes 14h 05m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Ko Samui Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Ko Samui Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Ko Samui Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Ko Samui Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The necessary travel and health documents for your Ko Samui Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sydney to Koh Samui?


Best airlines flying from Sydney to Koh Samui

Compare and see reviews for airlines that fly from Sydney to Koh Samui with momondo
Airline
Rating
Free cancellation
Price
ScootPriceFrom $716Free cancellationRating
6.7
298 reviews
Search Scoot flights
Singapore AirlinesPriceFrom $1,017Free cancellationRating
8.1
1,313 reviews
Search Singapore Airlines flights
Bangkok AirwaysPriceFrom $1,249Free cancellationRating
8.0
126 reviews
Search Bangkok Airways flights
Thai AirwaysPriceFrom $1,262Free cancellationRating
7.8
324 reviews
Search Thai Airways flights
Qantas AirwaysPriceFrom $1,771Free cancellationRating
7.5
820 reviews
Search Qantas Airways flights

Travelling to a place near Koh Samui?

Book flights to Koh Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Koh Samui?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Koh Samui for you.

Can I find flights from Sydney to Koh Samui with flexible booking policies on momondo?

momondo does allow users to show only those flights to Koh Samui from Sydney which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sydney to Koh Samui?

momondo provides multiple filters to help you find the best flight to Koh Samui from Sydney. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Sydney to Koh Samui right now. Can momondo alert me if prices change?

Price alerts on flights to Koh Samui from Sydney are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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