Find flights
When to book
Airlines
FAQs

Cheap flights from Perth to Ko Samui from $219

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
PER — USM
17 Apr — 24 Apr1
1 adult

Cheap 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 12 April 2025.

Round-trip from

$632

One-way from

$219

Popular in

December

Cheapest in

October

Average price

$1,318
3/5-6/5
  • 3/5-6/5
  • 3 total stops
  • 41h 40m total
  • Perth to Ko Samui
Search Deals
Scoot
  • Scoot
  • 7/5
  • 1 total stop
  • 21h 35m total
  • Perth to Ko Samui
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($494 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($95 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Perth to Ko Samui

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 12 April 2025.

Sat 7/621:55PER - USM
1 stop21h 35mScoot
Sat 28/608:45USM - PER
1 stop10h 55mScoot
Deal found 9/4$624
Thu 29/521:55PER - USM
1 stop21h 35mMultiple Airlines
Fri 6/606:55USM - PER
2 stops35h 55mMultiple Airlines
Deal found 9/4$626
Mon 12/501:10PER - USM
1 stop18h 20mSingapore Airlines
Mon 19/512:45USM - PER
1 stop22h 45mSingapore Airlines
Deal found 10/4$783
Wed 28/502:10PER - USM
2 stops15h 25mMalaysia Airlines
Fri 6/608:00USM - PER
2 stops16h 10mMalaysia Airlines
Deal found 9/4$1,055
Fri 2/500:10PER - USM
1 stop19h 25mCathay Pacific
Sat 10/510:55USM - PER
1 stop19h 50mCathay Pacific
Deal found 11/4$1,532
Thu 1/500:25PER - USM
2 stops18h 50mVietnam Airlines
Mon 19/508:00USM - PER
2 stops13h 30mVietnam Airlines
Deal found 10/4$1,564

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 12 April 2025.
Use the filters below to find and compare flights from Perth to Ko Samui that are best for you.

Fly from

Perth

Fly to

Ko Samui

Route

Depart

Return

Price

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 3/5

21:55-18:30

1 stop21h 35m

Ko Samui

Tue 6/5

08:45-05:50

2 stops20h 05m

$632

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 1/6

18:25-18:30

1 stop25h 05m

Ko Samui

Sun 31/8

08:45-20:40

1 stop10h 55m

$648

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 12/5

01:10-18:30

1 stop18h 20m

Ko Samui

Mon 19/5

12:45-23:55

1 stop10h 10m

$802

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 22/5

02:10-21:35

2 stops20h 25m

Ko Samui

Fri 27/6

07:00-01:10

2 stops17h 10m

$1,122

PerthKo Samui

PER - USM

PERUSM

Perth

Fri 2/5

00:10-18:35

1 stop19h 25m

Ko Samui

Sat 10/5

10:55-07:45

1 stop19h 50m

$1,532

PerthKo Samui

PER - USM

PERUSM

Perth

Thu 1/5

00:25-21:10

2 stops21h 45m

Ko Samui

Mon 19/5

08:00-22:30

2 stops13h 30m

$1,598

PerthKo Samui

PER - USM

PERUSM

Perth

Fri 23/5

19:25-21:10

2 stops26h 45m

Ko Samui

Fri 27/6

13:30-00:40

1 stop10h 10m

$1,755

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 2/6

08:45-08:15

2 stops24h 30m

Ko Samui

Sun 31/8

14:00-07:25

2 stops16h 25m

$2,522

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 11/5

14:50-07:20

1 stop17h 30m

$338

PerthKo Samui

PER - USM

PERUSM

Perth

Sun 11/5

01:10-11:50

1 stop11h 40m

$594

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 13 results
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?

Use this chart to determine the optimal time to book a return flight from Perth to Ko Samui. Price data was last updated on 4 April 2025.

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 33 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, August is the cheapest month in which you can book a flight from Perth to Ko Samui (average of $533). Flying from Perth to Ko Samui in December is currently the most expensive (average of $1,051). 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.

What is the cheapest time of day to fly from PER to USM?

Find hourly flight availability from Perth to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 April 2025.

A simple way to save on the total cost of your ticket is to fly from Perth to Ko Samui in the afternoon. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight in the morning.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

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 12 April 2025.
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,288 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Vietnam Airlines
7.6
Good
194 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.5
Good
844 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qantas Airways
7.5
Good
818 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Malaysia Airlines
7.3
Good
252 reviews
Singapore Airlines
8.1
Very Good
1,288 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Entertainment

8.0

Food

7.7

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

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.

  • 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 $648 on this airline. Additional options worth looking into are Singapore Airlines and Malaysia Airlines, starting at $802 and $1,122 round-trip. Users have found that Scoot is 35% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Perth to Ko Samui one-way?

    One-way options have recently been found by users for as low as $219 on Scoot. Other airlines that offer cheap prices include Singapore Airlines from $594 and Vietnam Airlines from $821 one-way.

  • 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, August is the cheapest month in which you can book a flight from Perth to Ko Samui (average of $533). Flying from Perth to Ko Samui in December is currently the most expensive (average of $1,051). 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 Perth?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Don Mueang Intl flights
Perth to Phuket City flights
Perth to Chiang Mai flights
Perth to Krabi flights
Perth to Surat Thani flights

Top 5 airlines flying from Perth to Ko Samui

Discover the top 5 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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$548Average$769FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Singapore AirlinesCheapest$849Average$1,138FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Bangkok AirwaysCheapest$1,167Average$1,271FlexibilityNo cancel feeOn-time74%
Search Bangkok Airways flights
Thai AirwaysCheapest$1,171Average$1,417FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights
Qantas AirwaysCheapest$1,310Average$2,173FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights