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Cheap flights from Perth to Ko Samui from $284

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Perth to Ko Samui departing on 14/4. 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

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Find the cheapest flights from Perth to Ko Samui

Cheap return flights

Enter your travel dates to find the best prices.
Scoot Logo
09:55 - 18:50
PER
-
USM
9h 55m
1 stop
Scoot Logo
19:45 - 17:10
USM
-
PER
20h 25m
1 stop
$547Scoot
Mon, 20 Apr - Wed, 6 May
Scoot Logo
05:35 - 07:45
PER
-
USM
27h 10m
1 stop
Scoot Logo
08:40 - 08:10
USM
-
PER
22h 30m
1 stop
$578Scoot
Fri, 15 May - Sun, 24 May
Scoot Logo
05:35 - 07:45
PER
-
USM
27h 10m
1 stop
Scoot Logo
08:40 - 08:10
USM
-
PER
22h 30m
1 stop
$608Scoot
Tue, 9 Jun - Tue, 23 Jun
Scoot Logo
05:35 - 18:50
PER
-
USM
14h 15m
1 stop
Scoot Logo
08:40 - 04:20
USM
-
PER
18h 40m
1 stop
$616Scoot
Fri, 17 Apr - Sat, 25 Apr
Multiple Airlines Logo
05:15 - 19:15
PER
-
USM
15h 00m
2 stops
Multiple Airlines Logo
12:30 - 04:15
USM
-
PER
14h 45m
2 stops
$622Multiple Airlines
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
05:15 - 19:15
PER
-
USM
15h 00m
2 stops
Multiple Airlines Logo
12:30 - 04:15
USM
-
PER
14h 45m
2 stops
$625Multiple Airlines
Thu, 30 Apr - Thu, 7 May
Multiple Airlines Logo
05:15 - 20:25
PER
-
USM
16h 10m
2 stops
Multiple Airlines Logo
11:25 - 04:15
USM
-
PER
15h 50m
2 stops
$626Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
05:15 - 19:15
PER
-
USM
15h 00m
2 stops
Multiple Airlines Logo
12:30 - 04:15
USM
-
PER
14h 45m
2 stops
$635Multiple Airlines
Tue, 5 May - Wed, 20 May
Scoot Logo
05:35 - 17:20
PER
-
USM
12h 45m
1 stop
Scoot Logo
08:40 - 04:20
USM
-
PER
18h 40m
1 stop
$636Scoot
Tue, 9 Jun - Fri, 19 Jun
Multiple Airlines Logo
14:50 - 07:10
PER
-
USM
17h 20m
1 stop
Multiple Airlines Logo
17:00 - 04:20
USM
-
PER
34h 20m
2 stops
$638Multiple Airlines
Sun, 7 Jun - Tue, 23 Jun

Scoot flights from Perth to Ko Samui

Our best Scoot deals on Perth to Ko Samui flight tickets
Scoot
20 Apr
PER09:55Perth
9h 55m
1 stop
USM18:50Ko Samui
6 May
USM19:45Ko Samui
20h 25m
1 stop
PER17:10Perth
$547
Scoot
15 May
PER05:35Perth
27h 10m
1 stop
USM07:45Ko Samui
24 May
USM08:40Ko Samui
22h 30m
1 stop
PER08:10Perth
$578
Scoot
9 June
PER05:35Perth
27h 10m
1 stop
USM07:45Ko Samui
23 June
USM08:40Ko Samui
22h 30m
1 stop
PER08:10Perth
$608

momondo Fare Finder

 
Customise your flight search to find flights from Perth 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 18 March 2026.
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 - USM

PERUSM

Perth

Mon 20/4

09:55-18:50

1 stop9h 55m

Ko Samui

Wed 6/5

19:45-17:10

1 stop20h 25m

$547

PerthKo Samui

PER - USM

PERUSM

Perth

Fri 15/5

05:35-07:45

1 stop27h 10m

Ko Samui

Sun 24/5

08:40-08:10

1 stop22h 30m

$578

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 9/6

05:35-07:45

1 stop27h 10m

Ko Samui

Tue 23/6

08:40-08:10

1 stop22h 30m

$608

PerthKo Samui

PER - USM

PERUSM

Perth

Fri 17/4

05:35-18:50

1 stop14h 15m

Ko Samui

Sat 25/4

08:40-04:20

1 stop18h 40m

$616
Fastest return journey

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 30/4

05:15-19:15

2 stops15h 00m

Ko Samui

Thu 7/5

12:30-04:15

2 stops14h 45m

$622

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 30/4

05:15-19:15

2 stops15h 00m

Ko Samui

Thu 7/5

12:30-04:15

2 stops14h 45m

$625

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 5/5

05:15-20:25

2 stops16h 10m

Ko Samui

Tue 12/5

11:25-04:15

2 stops15h 50m

$626

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 5/5

05:15-19:15

2 stops15h 00m

Ko Samui

Wed 20/5

12:30-04:15

2 stops14h 45m

$635

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 9/6

05:35-17:20

1 stop12h 45m

Ko Samui

Fri 19/6

08:40-04:20

1 stop18h 40m

$636

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 7/6

14:50-07:10

1 stop17h 20m

Ko Samui

Tue 23/6

17:00-04:20

2 stops34h 20m

$638

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 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 $535. If you aren’t able to travel during the month of November, then book flights to Ko Samui from Perth during August instead. Flights to Ko Samui in August, while not as cheap as those in November, still average around $585.

How far in advance should I book a flight 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 $832 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 $597 on momondo.

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

As of March 2026, prices for Perth to Ko Samui flights are approximately 19% 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

Fastest flight time

8h 25m

Direct flights

None
The fastest flight from Perth to Ko Samui takes 8h 25m
There are no direct flights from Perth to Ko Samui. There are no popular flight routes from Perth to Ko Samui.
Search flight deals

  • 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 8h 25m.

  • 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 $454Free cancellationRating
6.7
320 reviews
Search Scoot flights
Singapore AirlinesPriceFrom $789Free cancellationRating
8.2
1,480 reviews
Search Singapore Airlines flights
Qantas AirwaysPriceFrom $894Free cancellationRating
7.5
1,006 reviews
Search Qantas 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 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.

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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