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Cheap flights from Perth to Ko Samui from £378

PER — USM
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Perth to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Perth to Ko Samui

Wed 28/1020:50 -
2 stops21h 40m
Wed 4/1117:40 -
1 stop10h 55m
Deal found 13/9£378
Mon 19/1012:15 -
1 stop31h 00m
Thu 22/1013:30 -
1 stop10h 10m
Deal found 14/9£591
Mon 19/1018:25 -
1 stop16h 45m
Thu 22/1018:15 -
1 stop21h 55m
Deal found 16/9£603
Mon 12/1018:25 -
1 stop16h 45m
Mon 19/1008:40 -
1 stop18h 40m
Deal found 14/9£607
Fri 30/1010:30 -
1 stop11h 35m
Thu 12/1116:25 -
1 stop30h 30m
Deal found 17/9£633
Fri 30/1021:10 -
1 stop14h 45m
Fri 6/1118:05 -
1 stop24h 35m
Deal found 15/9£648
Sun 18/1002:10 -
2 stops19h 40m
Thu 22/1008:45 -
2 stops15h 25m
Deal found 13/9£770

Find flight deals from Perth to Ko Samui

Round-trip from

£378

Popular in

December

Cheapest in

November

Average price

£636
28/10-4/11
  • 28/10-4/11
  • 3 total stops
  • 32h 35m total
  • Perth to Ko Samui
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£69 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights 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

Wed 28/10

20:50-17:30

2 stops21h 40m

Ko Samui

Wed 4/11

17:40-05:35

1 stop10h 55m

£378

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 19/10

18:25-10:10

1 stop16h 45m

Ko Samui

Thu 22/10

18:15-17:10

1 stop21h 55m

£603

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 12/10

18:25-10:10

1 stop16h 45m

Ko Samui

Mon 19/10

08:40-04:20

1 stop18h 40m

£607

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 30/10

10:30-21:05

1 stop11h 35m

Ko Samui

Thu 12/11

16:25-23:55

1 stop30h 30m

£633

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 30/10

21:10-10:55

1 stop14h 45m

Ko Samui

Fri 6/11

18:05-19:40

1 stop24h 35m

£648

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Sun 18/10

02:10-21:35

2 stops20h 25m

Ko Samui

Thu 22/10

07:50-01:10

2 stops16h 20m

£779

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 16/10

02:10-13:10

2 stops12h 00m

Ko Samui

Sat 24/10

08:45-01:10

2 stops15h 25m

£828

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Fri 8/1

21:10-10:55

1 stop14h 45m

Ko Samui

Tue 19/1

08:55-16:35

1 stop30h 40m

£916

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Mon 19/10

08:20-08:15

2 stops24h 55m

Ko Samui

Thu 22/10

11:55-06:50

1 stop17h 55m

£967
Fastest return journey

PerthKo Samui

PER Perth - USM Ko Samui

PERUSM

Perth

Thu 26/11

23:10-20:25

3 stops22h 15m

Ko Samui

Wed 31/12

00:00-01:00

Nonstop0h 00m

£2,554

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
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Best time to book a flight from Perth to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Perth with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Perth to Ko Samui

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

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Perth to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Perth to Ko Samui?

Currently, November is the cheapest month in which you can book a flight from Perth to Ko Samui (average of £385). Flying from Perth to Ko Samui in December is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Perth to Ko Samui?

Airfare is below average for this route at the moment.

Perth to Ko Samui flights typically cost between £491 and £717 in October.
The cheapest return price found within the last 5 days was £378 on Multiple Airlines (28 Oct–4 Nov).

Related info for your journey

  • How long is the flight from Perth to Ko Samui?

    For as low as £633, Scoot can have you in Ko Samui from Perth in 11h 35m. The distance between Perth and Ko Samui is about 3051 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Perth to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Perth to Ko Samui flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Perth to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Ko Samui.

  • Can I find deals for business class flights from Perth to Ko Samui?

    Yes. Cheapflights offers flight deals from Perth to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Perth to Ko Samui?

    Currently, November is the cheapest month in which you can book a flight from Perth to Ko Samui (average of £385). Flying from Perth to Ko Samui in December is currently the most expensive (average of £946). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Perth to Ko Samui

Perth to Phuket City flights

Fly with Cheapflights

How does Cheapflights help users find flights from Perth to Ko Samui?

Cheapflights helps you search for flights from Perth to Ko Samui via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Perth to Ko Samui?

Cheapflights simply makes it quick and affordable to book flights from Perth to Ko Samui by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Perth to Ko Samui with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Perth to Ko Samui, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Perth to Ko Samui become cheaper?

Of course! You can now track prices for flights from Perth to Ko Samui and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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