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Cheap flights from Australia to Ko Samui from $333

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Ko Samui departing on 22/8. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Australia to Ko Samui

Recent return flight deals from Australia to Ko Samui

Enter your travel dates to find the best prices.
Multiple Airlines Logo
05:35 - 20:25
PER
-
USM
15h 50m
2 stops
Multiple Airlines Logo
12:30 - 17:10
USM
-
PER
27h 40m
2 stops
$615Multiple Airlines
Thu, 17 Sep - Tue, 22 Sep
Multiple Airlines Logo
05:35 - 16:55
PER
-
USM
12h 20m
2 stops
Multiple Airlines Logo
11:05 - 17:10
USM
-
PER
29h 05m
1 stop
$650Multiple Airlines
Thu, 17 Sep - Tue, 22 Sep
Multiple Airlines Logo
05:35 - 07:45
PER
-
USM
27h 10m
1 stop
Multiple Airlines Logo
08:00 - 04:20
USM
-
PER
19h 20m
2 stops
$676Multiple Airlines
Sat, 22 Aug - Mon, 7 Sep
Multiple Airlines Logo
05:35 - 07:45
PER
-
USM
27h 10m
1 stop
Multiple Airlines Logo
12:30 - 04:20
USM
-
PER
14h 50m
2 stops
$696Multiple Airlines
Sat, 22 Aug - Mon, 7 Sep
Scoot Logo
05:35 - 07:45
PER
-
USM
27h 10m
1 stop
Scoot Logo
19:45 - 08:10
USM
-
PER
11h 25m
1 stop
$713Scoot
Tue, 25 Aug - Sun, 30 Aug
Scoot Logo
14:00 - 18:50
MEL
-
USM
32h 50m
1 stop
Scoot Logo
08:55 - 21:20
USM
-
MEL
32h 25m
1 stop
$731Scoot
Sat, 17 Oct - Sun, 25 Oct
Singapore Airlines Logo
18:15 - 07:45
CNS
-
USM
16h 30m
1 stop
Singapore Airlines Logo
08:40 - 17:00
USM
-
CNS
29h 20m
1 stop
$1,333Singapore Airlines
Tue, 1 Sep - Tue, 8 Sep
Qantas Airways Logo
06:05 - 18:15
ADL
-
USM
39h 40m
2 stops
Qantas Airways Logo
13:25 - 20:10
USM
-
ADL
27h 15m
2 stops
$1,346Qantas Airways
Mon, 2 Nov - Wed, 4 Nov
Qantas Airways Logo
06:05 - 18:15
ADL
-
USM
39h 40m
2 stops
Qantas Airways Logo
13:25 - 20:10
USM
-
ADL
27h 15m
2 stops
$1,347Qantas Airways
Mon, 2 Nov - Wed, 4 Nov
Singapore Airlines Logo
17:35 - 18:50
ADL
-
USM
27h 45m
1 stop
Singapore Airlines Logo
11:05 - 07:25
USM
-
ADL
17h 50m
1 stop
$1,355Singapore Airlines
Fri, 4 Sep - Mon, 14 Sep

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Singapore Airlines flights from Australia to Ko Samui

Our best Singapore Airlines deals on Australia to Ko Samui flight tickets
Singapore Airlines
1 Sept
CNS18:15Cairns
16h 30m
1 stop
USM07:45Ko Samui
8 Sept
USM08:40Ko Samui
29h 20m
1 stop
CNS17:00Cairns
$1,333
Singapore Airlines
4 Sept
ADL17:35Adelaide
27h 45m
1 stop
USM18:50Ko Samui
14 Sept
USM11:05Ko Samui
17h 50m
1 stop
ADL07:25Adelaide
$1,355
Singapore Airlines
1 Sept
CNS18:15Cairns
16h 30m
1 stop
USM07:45Ko Samui
8 Sept
USM08:40Ko Samui
29h 20m
1 stop
CNS17:00Cairns
$1,410

Scoot flights from Australia to Ko Samui

Our best Scoot deals on Australia to Ko Samui flight tickets
Scoot
21 Aug
PER05:35Perth
27h 10m
1 stop
USM07:45Ko Samui
28 Aug
USM08:40Ko Samui
18h 40m
1 stop
PER04:20Perth
$689
Scoot
25 Aug
PER05:35Perth
27h 10m
1 stop
USM07:45Ko Samui
30 Aug
USM19:45Ko Samui
11h 25m
1 stop
PER08:10Perth
$713
Scoot
17 Oct
MEL14:00Melbourne
32h 50m
1 stop
USM18:50Ko Samui
25 Oct
USM08:55Ko Samui
32h 25m
1 stop
MEL21:20Melbourne
$731

momondo Fare Finder

 
Customise your flight search to find flights from Australia 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, momondo users made 78,305 searches. Data last updated 3 July 2026.
Use the filters below to find and compare flights from Australia to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 17/9

05:35-20:25

2 stops15h 50m

Ko Samui

Tue 22/9

12:30-17:10

2 stops27h 40m

$615

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 17/9

05:35-16:55

2 stops12h 20m

Ko Samui

Tue 22/9

11:05-17:10

1 stop29h 05m

$650

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 22/8

05:35-07:45

1 stop27h 10m

Ko Samui

Mon 7/9

08:00-04:20

2 stops19h 20m

$676

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 22/8

05:35-07:45

1 stop27h 10m

Ko Samui

Mon 7/9

12:30-04:20

2 stops14h 50m

$696
Fastest return journey

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 25/8

05:35-07:45

1 stop27h 10m

Ko Samui

Sun 30/8

19:45-08:10

1 stop11h 25m

$713

MelbourneKo Samui

MEL - USM

MELUSM

Melbourne

Sat 17/10

14:00-18:50

1 stop32h 50m

Ko Samui

Sun 25/10

08:55-21:20

1 stop32h 25m

$731

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Tue 1/9

18:15-07:45

1 stop16h 30m

Ko Samui

Tue 8/9

08:40-17:00

1 stop29h 20m

$1,333

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Mon 2/11

06:05-18:15

2 stops39h 40m

Ko Samui

Wed 4/11

13:25-20:10

2 stops27h 15m

$1,346

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Mon 2/11

06:05-18:15

2 stops39h 40m

Ko Samui

Wed 4/11

13:25-20:10

2 stops27h 15m

$1,347

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Fri 4/9

17:35-18:50

1 stop27h 45m

Ko Samui

Mon 14/9

11:05-07:25

1 stop17h 50m

$1,355

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Australia to Ko 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 Ko Samui?

The month of September is, on average, the cheapest month to fly to Ko Samui from Australia, with most prices found around $185. If you aren’t able to travel during the month of September, then book flights to Ko Samui from Australia during March instead. Flights to Ko Samui in March, while not as cheap as those in September, still average around $203.

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

You are more likely to see cheaper flights to Ko Samui from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $1,114 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from Australia for as low as $918 on momondo.

Can stopping save me money on Australia to Ko Samui flights?

You could potentially save up to 76% on your flight if you consider stops on a Australia to Ko Samui flight.

Cheap Australia to Ko Samui flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Ko Samui

Fastest flight time

7h 05m

Direct flights

Tue

Airports in Ko Samui

1 airport
The fastest flight from Australia to Ko Samui takes 7h 05m
Direct flights go from Australia to Ko Samui on Tuesday. There are no airlines offering direct flights..
There is 1 airport in Ko Samui. From Australia there are direct flights to Ko Samui (USM).
Search flight deals

Frequently asked questions about flying from Australia to Ko Samui

  • When did momondo last update prices for flights from Australia to Ko Samui Airport?

    Prices for flights from Australia to Ko Samui Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Australia to Ko Samui Airport?

  • How old do you have to be to fly from Australia to Ko Samui Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Australia to Ko Samui Airport.

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

    The required travel and health documents for your Ko Samui Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ko Samui Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Australia to Ko Samui

Compare and see reviews for airlines that fly from Australia to Ko Samui with momondo
Airline
Rating
Free cancellation
Price
ScootPriceFrom $470Free cancellationRating
6.7
325 reviews
Search Scoot flights
Qantas AirwaysPriceFrom $917Free cancellationRating
7.5
1,056 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $945Free cancellationRating
8.2
1,557 reviews
Search Singapore Airlines flights
Bangkok AirwaysPriceFrom $1,234Free cancellationRating
8.1
134 reviews
Search Bangkok Airways flights
Thai AirwaysPriceFrom $1,271Free cancellationRating
7.9
409 reviews
Search Thai Airways flights

Travelling to a place near Ko Samui?

Book flights to Ko 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 Australia to Ko Samui?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Australia to Ko Samui . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Australia to Ko Samui with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Australia to Ko Samui flights to just show those with flexible booking policies.

How can momondo help me find flights from Australia to Ko Samui?

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

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

Price alerts on flights to Ko Samui from Australia 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.

An easier way to manage your Ko Samui trip

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