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Cheap flights from Perth to Ko Samui from $341

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.
Multiple Airlines Logo
20:50 - 18:25PER  Perth-USM Ko Samui
22h 35m2 stops Kuala Lumpur Intl Phuket City
Multiple Airlines Logo
08:15 - 03:40USM  Ko Samui-PER Perth
18h 25m2 stops Phuket City Kuala Lumpur Intl
$650Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
20:50 - 18:25PER  Perth-USM Ko Samui
22h 35m2 stops Kuala Lumpur Intl Phuket City
Multiple Airlines Logo
08:15 - 03:40USM  Ko Samui-PER Perth
18h 25m2 stops Phuket City Kuala Lumpur Intl
$659Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Multiple Airlines Logo
20:50 - 18:25PER  Perth-USM Ko Samui
22h 35m2 stops Kuala Lumpur Intl Phuket City
Multiple Airlines Logo
08:15 - 03:40USM  Ko Samui-PER Perth
18h 25m2 stops Phuket City Kuala Lumpur Intl
$674Multiple Airlines
Sat, 7 Nov - Sat, 14 Nov
Scoot Logo
10:35 - 18:55PER  Perth-USM Ko Samui
9h 20m1 stop Singapore Changi
Scoot Logo
12:00 - 08:25USM  Ko Samui-PER Perth
19h 25m1 stop Singapore Changi
$717Scoot
Fri, 30 Oct - Sun, 15 Nov
Scoot Logo
17:50 - 18:55PER  Perth-USM Ko Samui
26h 05m1 stop Singapore Changi
Scoot Logo
18:05 - 08:25USM  Ko Samui-PER Perth
13h 20m1 stop Singapore Changi
$750Scoot
Sat, 6 Mar - Sat, 13 Mar
Scoot Logo
10:35 - 18:55PER  Perth-USM Ko Samui
9h 20m1 stop Singapore Changi
Scoot Logo
12:00 - 08:25USM  Ko Samui-PER Perth
19h 25m1 stop Singapore Changi
$756Scoot
Fri, 30 Oct - Sat, 14 Nov
Qantas Airways Logo
16:15 - 18:15PER  Perth-USM Ko Samui
27h 00m1 stop Singapore Changi
Qantas Airways Logo
13:25 - 23:55USM  Ko Samui-PER Perth
9h 30m1 stop Singapore Changi
$1,122Qantas Airways
Mon, 2 Nov - Thu, 26 Nov
Qantas Airways Logo
10:30 - 21:05PER  Perth-USM Ko Samui
11h 35m1 stop Singapore Changi
Qantas Airways Logo
13:25 - 23:55USM  Ko Samui-PER Perth
9h 30m1 stop Singapore Changi
$1,122Qantas Airways
Wed, 4 Nov - Thu, 26 Nov
Singapore Airlines Logo
17:05 - 08:00PER  Perth-USM Ko Samui
15h 55m1 stop Singapore Changi
Singapore Airlines Logo
08:55 - 05:25USM  Ko Samui-PER Perth
19h 30m1 stop Singapore Changi
$2,637Singapore Airlines
Fri, 1 Jan - Sat, 9 Jan
Singapore Airlines Logo
06:40 - 18:55PER  Perth-USM Ko Samui
13h 15m1 stop Singapore Changi
Singapore Airlines Logo
19:50 - 12:35USM  Ko Samui-PER Perth
15h 45m1 stop Singapore Changi
$2,637Singapore Airlines
Fri, 1 Jan - Thu, 14 Jan

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Scoot flights from Perth to Ko Samui

Our best Scoot deals on Perth to Ko Samui flight tickets
Scoot
30 Oct
PER10:35Perth
9h 20m
1 stop
USM18:55Ko Samui
15 Nov
USM12:00Ko Samui
19h 25m
1 stop
PER08:25Perth
$717
Scoot
23 Nov
PER10:35Perth
22h 25m
1 stop
USM08:00Ko Samui
30 Nov
USM19:50Ko Samui
11h 35m
1 stop
PER08:25Perth
$734
Scoot
6 Mar
PER17:50Perth
26h 05m
1 stop
USM18:55Ko Samui
13 Mar
USM18:05Ko Samui
13h 20m
1 stop
PER08:25Perth
$750

Qantas Airways flights from Perth to Ko Samui

Our best Qantas Airways deals on Perth to Ko Samui flight tickets
Qantas Airways
19 Oct
PER12:15Perth
31h 00m
1 stop
USM18:15Ko Samui
22 Oct
USM13:30Ko Samui
10h 10m
1 stop
PER00:40Perth
$1,124
Qantas Airways
19 Oct
PER12:15Perth
31h 00m
1 stop
USM18:15Ko Samui
22 Oct
USM13:30Ko Samui
10h 10m
1 stop
PER00:40Perth
$1,125
Qantas Airways
19 Oct
PER12:15Perth
31h 00m
1 stop
USM18:15Ko Samui
22 Oct
USM13:30Ko Samui
10h 10m
1 stop
PER00:40Perth
$1,192

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

Sat 7/11

20:50-18:25

2 stops22h 35m

Ko Samui

Sat 14/11

08:15-03:40

2 stops18h 25m

$650

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Sat 7/11

20:50-18:25

2 stops22h 35m

Ko Samui

Sat 14/11

08:15-03:40

2 stops18h 25m

$659

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Sat 7/11

20:50-18:25

2 stops22h 35m

Ko Samui

Sat 14/11

08:15-03:40

2 stops18h 25m

$674

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 30/10

10:35-18:55

1 stop9h 20m

Ko Samui

Sun 15/11

12:00-08:25

1 stop19h 25m

$717

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Sat 6/3

17:50-18:55

1 stop26h 05m

Ko Samui

Sat 13/3

18:05-08:25

1 stop13h 20m

$750

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 30/10

10:35-18:55

1 stop9h 20m

Ko Samui

Sat 14/11

12:00-08:25

1 stop19h 25m

$756

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 2/11

16:15-18:15

1 stop27h 00m

Ko Samui

Thu 26/11

13:25-23:55

1 stop9h 30m

$1,122
Fastest return journey

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Wed 4/11

10:30-21:05

1 stop11h 35m

Ko Samui

Thu 26/11

13:25-23:55

1 stop9h 30m

$1,122

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 1/1

17:05-08:00

1 stop15h 55m

Ko Samui

Sat 9/1

08:55-05:25

1 stop19h 30m

$2,637

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 1/1

06:40-18:55

1 stop13h 15m

Ko Samui

Thu 14/1

19:50-12:35

1 stop15h 45m

$2,637

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 low for flights on this route.

Typical prices usually range from $679 to $1,227.
The lowest price recently found on this route was $650.

What is the cheapest month to fly to Ko Samui?

The month of November is, on average, the cheapest month to fly to Ko Samui from Perth, with most prices found around $742. If you aren’t able to travel during the month of November, then book flights to Ko Samui from Perth during February instead. Flights to Ko Samui in February, while not as cheap as those in November, still average around $774.

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 $1,019 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 $843 on momondo.

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

As of October 2026, prices for Perth to Ko Samui flights are approximately 1% 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

$341

Fastest flight time

9h 20m

Direct flights

None
The best one-way flight to Ko Samui from Perth in the past 72 hours is $341. The best return flight deal from Perth to Ko Samui found on momondo in the last 72 hours is $650.
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 $529Free cancellationRating
6.7
336 reviews
Search Scoot flights
Qantas AirwaysPriceFrom $1,023Free cancellationRating
7.5
1,109 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,064Free cancellationRating
8.2
1,625 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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