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Cheap flights from Perth to Ko Samui from $560

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Perth to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Scoot Logo
10:35 - 08:00PER  Perth-USM Ko Samui
22h 25m1 stop Singapore Changi
Scoot Logo
08:55 - 16:35USM  Ko Samui-PER Perth
30h 40m1 stop Singapore Changi
$764Scoot
Tue, 26 Jan - Tue, 16 Feb
Multiple Airlines Logo
17:50 - 18:55PER  Perth-USM Ko Samui
26h 05m1 stop Singapore Changi
Multiple Airlines Logo
15:50 - 06:15USM  Ko Samui-PER Perth
13h 25m1 stop Phuket City
$765Multiple Airlines
Mon, 1 Feb - Mon, 22 Feb
Multiple Airlines Logo
10:35 - 07:10PER  Perth-USM Ko Samui
21h 35m2 stops Singapore Changi Bangkok Suvarnabhumi
Multiple Airlines Logo
07:00 - 08:25USM  Ko Samui-PER Perth
24h 25m2 stops Bangkok Suvarnabhumi Singapore Changi
$772Multiple Airlines
Sun, 28 Feb - Tue, 9 Mar
Multiple Airlines Logo
10:35 - 08:00PER  Perth-USM Ko Samui
22h 25m1 stop Singapore Changi
Multiple Airlines Logo
08:55 - 01:20USM  Ko Samui-PER Perth
15h 25m2 stops Singapore Changi Denpasar Bali Ngurah Rai
$783Multiple Airlines
Tue, 26 Jan - Tue, 16 Feb
Scoot Logo
17:50 - 18:55PER  Perth-USM Ko Samui
26h 05m1 stop Singapore Changi
Scoot Logo
19:50 - 08:25USM  Ko Samui-PER Perth
11h 35m1 stop Singapore Changi
$813Scoot
Sun, 28 Feb - Tue, 9 Mar
Scoot Logo
10:35 - 18:55PER  Perth-USM Ko Samui
9h 20m1 stop Singapore Changi
Scoot Logo
08:55 - 08:25USM  Ko Samui-PER Perth
22h 30m1 stop Singapore Changi
$849Scoot
Tue, 1 Dec - Thu, 10 Dec
Singapore Airlines Logo
06:40 - 18:55PER  Perth-USM Ko Samui
13h 15m1 stop Singapore Changi
Singapore Airlines Logo
08:55 - 05:25USM  Ko Samui-PER Perth
19h 30m1 stop Singapore Changi
$1,345Singapore Airlines
Tue, 23 Mar - Fri, 26 Mar
Singapore Airlines Logo
06:40 - 17:25PER  Perth-USM Ko Samui
11h 45m1 stop Singapore Changi
Singapore Airlines Logo
08:55 - 05:25USM  Ko Samui-PER Perth
19h 30m1 stop Singapore Changi
$1,345Singapore Airlines
Mon, 22 Mar - Fri, 26 Mar
Qantas Airways Logo
16:15 - 18:15PER  Perth-USM Ko Samui
27h 00m1 stop Singapore Changi
Qantas Airways Logo
16:25 - 23:55USM  Ko Samui-PER Perth
30h 30m1 stop Singapore Changi
$1,523Qantas Airways
Thu, 3 Dec - Wed, 9 Dec
Qantas Airways Logo
10:30 - 21:05PER  Perth-USM Ko Samui
11h 35m1 stop Singapore Changi
Qantas Airways Logo
16:25 - 22:45USM  Ko Samui-PER Perth
29h 20m2 stops Singapore Changi Sydney Kingsford Smith
$1,845Qantas Airways
Mon, 15 Mar - Sun, 4 Apr

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Scoot flights from Perth to Ko Samui

Our best Scoot deals on Perth to Ko Samui flight tickets
Scoot
21 Nov
PER17:50Perth
24h 20m
1 stop
USM17:10Ko Samui
5 Dec
USM08:55Ko Samui
22h 30m
1 stop
PER08:25Perth
$774
Scoot
20 Nov
PER10:35Perth
25h 20m
1 stop
USM10:55Ko Samui
3 Dec
USM18:05Ko Samui
13h 20m
1 stop
PER08:25Perth
$783
Scoot
28 Feb
PER17:50Perth
26h 05m
1 stop
USM18:55Ko Samui
9 Mar
USM19:50Ko Samui
11h 35m
1 stop
PER08:25Perth
$813

Qantas Airways flights from Perth to Ko Samui

Our best Qantas Airways deals on Perth to Ko Samui flight tickets
Qantas Airways
21 Nov
PER10:30Perth
11h 35m
1 stop
USM21:05Ko Samui
5 Dec
USM16:25Ko Samui
30h 30m
1 stop
PER23:55Perth
$1,528
Qantas Airways
21 Nov
PER10:30Perth
11h 35m
1 stop
USM21:05Ko Samui
5 Dec
USM13:25Ko Samui
22h 05m
2 stops
PER12:30Perth
$3,140
Qantas Airways
21 Nov
PER22:55Perth
23h 10m
2 stops
USM21:05Ko Samui
5 Dec
USM13:25Ko Samui
26h 20m
3 stops
PER16:45Perth
$5,638

momondo Fare Finder

 
Use the filters below to find and compare flights from Perth to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Tue 26/1

10:35-08:00

1 stop22h 25m

Ko Samui

Tue 16/2

08:55-16:35

1 stop30h 40m

$764

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 1/2

17:50-18:55

1 stop26h 05m

Ko Samui

Mon 22/2

15:50-06:15

1 stop13h 25m

$765

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Sun 28/2

10:35-07:10

2 stops21h 35m

Ko Samui

Tue 9/3

07:00-08:25

2 stops24h 25m

$772

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Tue 26/1

10:35-08:00

1 stop22h 25m

Ko Samui

Tue 16/2

08:55-01:20

2 stops15h 25m

$783

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Sun 28/2

17:50-18:55

1 stop26h 05m

Ko Samui

Tue 9/3

19:50-08:25

1 stop11h 35m

$813

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Tue 1/12

10:35-18:55

1 stop9h 20m

Ko Samui

Thu 10/12

08:55-08:25

1 stop22h 30m

$849

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Tue 23/3

06:40-18:55

1 stop13h 15m

Ko Samui

Fri 26/3

08:55-05:25

1 stop19h 30m

$1,345
Fastest return journey

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 22/3

06:40-17:25

1 stop11h 45m

Ko Samui

Fri 26/3

08:55-05:25

1 stop19h 30m

$1,345

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Thu 3/12

16:15-18:15

1 stop27h 00m

Ko Samui

Wed 9/12

16:25-23:55

1 stop30h 30m

$1,523

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 15/3

10:30-21:05

1 stop11h 35m

Ko Samui

Sun 4/4

16:25-22:45

2 stops29h 20m

$1,845

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 Perth 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 typical price of a round-trip flight between Perth and Ko Samui?

Prices are currently typical for flights on this route.

Typical prices usually range from $747 to $1,150.
The lowest price recently found on this route was $772.

What is the cheapest month to fly to Ko Samui?

The month of February is, on average, the cheapest month to fly to Ko Samui from Perth, with most prices found around $793. If you aren’t able to travel during the month of February, then book flights to Ko Samui from Perth during March instead. Flights to Ko Samui in March, while not as cheap as those in February, still average around $888.

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

You are more likely to see cheaper flights to Ko Samui from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $1,092 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 Perth for as low as $863 on momondo.

How have Perth to Ko Samui flight prices changed over time?

As of November 2026, prices for Perth to Ko Samui flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Perth to Ko Samui

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

Cheap Perth to Ko Samui (PER to USM) flight deals and tips

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

Best price found

$560

Fastest flight time

9h 20m

Direct flights

None
The best one-way flight to Ko Samui from Perth in the past 72 hours is $560. The best return flight deal from Perth to Ko Samui found on momondo in the last 72 hours is $764.
The fastest flight from Perth to Ko Samui takes 9h 20m
There are no direct flights from Perth to Ko Samui. There are no popular flight routes from Perth to Ko Samui.
Search flight deals

Frequently asked questions about flying from Perth to Ko Samui

  • How far is Perth to Ko Samui by plane?

    A flight from Perth to Ko Samui will travel around 4905.0 km. In terms of flight time, this usually takes a little over 9h 20m.

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

    Prices for flights from Perth Airport to Ko Samui Airport refresh daily.

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

  • How old do you have to be to fly from Perth Airport 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 Perth Airport to Ko Samui Airport.

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

    The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Perth to Ko Samui?

Best airlines flying from Perth to Ko Samui

Compare and see reviews for airlines that fly from Perth to Ko Samui with momondo
Airline
Rating
Free cancellation
Price
ScootPriceFrom $570Free cancellationRating
6.7
339 reviews
Search Scoot flights
Qantas AirwaysPriceFrom $1,059Free cancellationRating
7.5
1,125 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,101Free cancellationRating
8.2
1,633 reviews
Search Singapore Airlines flights

Travelling to a place near Ko Samui?

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

Why use momondo?

Why should I use momondo to find a flight deal from Perth to Ko 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 Perth to Ko Samui for you.

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

Yes. All flights to Ko Samui from Perth on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ko Samui from Perth.

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

Yes momondo offers price alerts on flights to Ko Samui from Perth. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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