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Cheap flights from Perth to Ko Samui from $261

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
PER — USM
23 Jul — 30 Jul1
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
Explore the most affordable flight options available from Perth to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 June 2026.

Wed 28/1005:35
PER
-
USM
1 stop12h 35m
Scoot
Tue 3/1118:05
USM
-
PER
1 stop9h 10m
Scoot
Deal found 22/6$722
Wed 2/918:25
PER
-
USM
2 stops23h 30m
Multiple Airlines
Fri 18/908:00
USM
-
PER
2 stops19h 20m
Multiple Airlines
Deal found 20/6$731
Mon 2/1117:50
PER
-
USM
2 stops27h 35m
Multiple Airlines
Mon 30/1115:50
USM
-
PER
2 stops35h 25m
Multiple Airlines
Deal found 22/6$754
Mon 2/1117:50
PER
-
USM
1 stop15h 10m
Scoot
Mon 30/1108:55
USM
-
PER
1 stop18h 20m
Scoot
Deal found 22/6$781
Wed 28/1005:35
PER
-
USM
2 stops13h 50m
Multiple Airlines
Tue 3/1118:05
USM
-
PER
1 stop9h 10m
Multiple Airlines
Deal found 22/6$784
Sat 22/805:35
PER
-
USM
2 stops15h 50m
Multiple Airlines
Sat 29/811:25
USM
-
PER
2 stops31h 05m
Multiple Airlines
Deal found 21/6$801
Sun 23/805:35
PER
-
USM
1 stop14h 15m
Scoot
Sat 29/808:40
USM
-
PER
1 stop18h 40m
Scoot
Deal found 22/6$812
Sat 22/805:35
PER
-
USM
2 stops13h 25m
Multiple Airlines
Fri 28/815:25
USM
-
PER
2 stops35h 55m
Multiple Airlines
Deal found 21/6$821
Sun 23/805:35
PER
-
USM
2 stops31h 20m
Multiple Airlines
Sat 29/811:25
USM
-
PER
2 stops31h 05m
Multiple Airlines
Deal found 22/6$824

Find flight deals from Perth to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 June 2026.

Round-trip from

$722

One-way from

$261

Popular in

December

Cheapest in

November

Average price

$1,078
Scoot
  • Scoot
  • 28/10-3/11
  • 2 total stops
  • 21h 45m total
  • Perth to Ko Samui
Search Deals
Scoot
  • Scoot
  • 20/10
  • 1 total stop
  • 14h 15m total
  • Perth to Ko Samui
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($161 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($63 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 23 June 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

Tue 11/8

05:35-14:40

2 stops34h 05m

Ko Samui

Tue 18/8

11:25-17:10

2 stops28h 45m

$865

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 20/8

18:25-07:45

1 stop14h 20m

Ko Samui

Mon 31/8

08:40-04:20

1 stop18h 40m

$927

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 20/9

05:35-18:50

1 stop14h 15m

Ko Samui

Wed 23/9

11:05-04:20

1 stop16h 15m

$1,154

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 19/9

02:10-15:45

2 stops14h 35m

Ko Samui

Wed 23/9

07:50-01:10

2 stops16h 20m

$1,529
Fastest return journey

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 3/8

09:55-18:50

1 stop9h 55m

Ko Samui

Mon 10/8

08:40-04:20

1 stop18h 40m

$1,560

PerthKo Samui

PER - USM

PERUSM

Perth

Wed 8/7

18:25-07:45

1 stop14h 20m

Ko Samui

Sun 19/7

11:05-08:10

1 stop20h 05m

$1,566

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 20/9

08:20-07:10

2 stops23h 50m

Ko Samui

Wed 23/9

11:55-06:50

1 stop17h 55m

$1,896
Cheapest one-way
Fastest single journey

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 24/10

05:35-18:50

1 stop14h 15m

$316

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 15/10

05:35-18:50

1 stop14h 15m

$317

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 2/8

21:10-18:50

1 stop22h 40m

$347

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

The price you pay for your flight from Perth to Ko Samui may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $587). Flying from Perth to Ko Samui in December is currently the most expensive (average of $1,385). 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?

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 23 June 2026.
Read reviews from past customers who have flown with Singapore Airlines,Qantas Airways, andScoot from Perth to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,549 reviews
Check prices

Food

7.8

Overall

8.2

Entertainment

8.1

Crew

8.6

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Singapore Airlines
8.2
Very Good
1,549 reviews
Singapore Airlines
8.2
Very Good
1,549 reviews
Check prices

Food

7.8

Overall

8.2

Entertainment

8.1

Crew

8.6

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Qantas Airways
7.5
Good
1,048 reviews
Singapore Airlines
8.2
Very Good
1,549 reviews
Check prices

Food

7.8

Overall

8.2

Entertainment

8.1

Crew

8.6

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.
Scoot
6.7
Okay
325 reviews
Singapore Airlines
8.2
Very Good
1,549 reviews
Check prices

Food

7.8

Overall

8.2

Entertainment

8.1

Crew

8.6

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Wee Keng,May 2026

SIN - MNL

Was upgraded to Premium Economy seat as PPS member. SQ steward team prepared birthday cake for a colleague which I requested and didn’t follow up. Great service and a great way to fly.

Related info for your journey

Find useful and relevant information for your journey from Perth to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Perth to Ko Samui will take you 14h 20m. The distance from Perth to Ko Samui is about 4910 km.

  • What are the cheapest airlines flying from Perth to Ko Samui round-trip?

    Our cheapest airline available from Perth to Ko Samui is Scoot. Our recent data shows that you can find tickets from as low as $462 on this airline. Additional options worth looking into are Qantas Airways and Singapore Airlines, starting at $905 and $921 round-trip. Users have found that Scoot is 49% cheaper than the other options available to this destination.

  • 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 $587). Flying from Perth to Ko Samui in December is currently the most expensive (average of $1,385). 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 Tao
Ko Pha Ngan

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Perth to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
Perth to Suvarnabhumi flights
Perth to Phuket City flights
Perth to Don Mueang Intl flights
Perth to Chiang Mai flights
Perth to Krabi flights
Perth to Surat Thani flights

Top 3 airlines flying from Perth to Ko Samui

Discover the top 3 airlines that operate flights from Perth to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$462Average$750FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Qantas AirwaysCheapest$905Average$1,153FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$921Average$1,261FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Perth to Ko Samui flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Perth to Ko Samui for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Perth to Ko Samui flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ko Samui from Perth today and book when prices fit your budget.

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