Cheap flights from Australia to Ko Samui from $242
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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Australia to Ko Samui
Keep the following information in mind while searching for Australia to Ko Samui flight deals. Data was last updated 11 July 2025.
Round-trip from | $585 |
---|---|
One-way from | $242 |
Popular in | December |
Cheapest in | August |
Average price | $1,034 |
Find flight deals from Australia to Ko Samui
Cheapest flights from Australia to Ko SamuiExplore the most affordable flight options available from Australia to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Australia to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Australia 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 11 July 2025.
Use the filters below to find and compare flights from Australia to Ko Samui that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PerthKo Samui
PER - USM
PERUSM
Perth
Wed 20/8
21:55-18:30
1 stop21h 35m
Ko Samui
Wed 27/8
07:00-20:40
2 stops12h 40m
PerthKo Samui
PER - USM
PERUSM
Perth
Wed 6/8
21:55-07:50
1 stop10h 55m
Ko Samui
Wed 13/8
08:45-20:40
1 stop10h 55m
MelbourneKo Samui
MEL - USM
MELUSM
Melbourne
Sun 7/9
21:30-18:30
1 stop24h 00m
Ko Samui
Sun 14/9
08:45-20:15
1 stop32h 30m
SydneyKo Samui
SYD - USM
SYDUSM
Sydney Kingsford Smith
Sun 9/11
21:45-08:00
1 stop14h 15m
Ko Samui
Thu 20/11
12:15-12:50
2 stops20h 35m
MelbourneKo Samui
MEL - USM
MELUSM
Melbourne
Mon 1/9
13:00-18:00
2 stops32h 00m
Ko Samui
Mon 15/9
15:25-20:15
2 stops25h 50m
SydneyKo Samui
SYD - USM
SYDUSM
Sydney Kingsford Smith
Sat 9/8
13:10-18:30
1 stop32h 20m
Ko Samui
Sat 13/9
08:45-11:35
1 stop23h 50m
AdelaideKo Samui
ADL - USM
ADLUSM
Adelaide
Sat 8/11
08:05-08:00
2 stops27h 25m
Ko Samui
Sat 15/11
19:25-07:25
3 stops32h 30m
BrisbaneKo Samui
BNE - USM
BNEUSM
Brisbane
Sat 8/11
14:00-18:30
2 stops31h 30m
Ko Samui
Fri 14/11
19:25-17:30
2 stops19h 05m
CairnsKo Samui
CNS - USM
CNSUSM
Cairns
Mon 25/8
10:15-16:45
2 stops33h 30m
Ko Samui
Mon 1/9
08:45-06:00
2 stops18h 15m
AdelaideKo Samui
ADL - USM
ADLUSM
Adelaide
Thu 28/8
17:35-07:50
1 stop16h 45m
Ko Samui
Tue 9/9
08:45-07:25
1 stop20h 10m
Best time to book a flight from Australia to Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Australia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Australia to Ko Samui
What is the cheapest month to book a flight from Australia to Ko Samui?
Currently, August is the cheapest month in which you can book a flight from Australia to Ko Samui (average of $533). Flying from Australia 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 AU to USM?
Find hourly flight availability from Australia 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 11 July 2025.
When flying from Australia to Ko Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 11 July 2025.
Get a feel of what it's like to fly with China Airlines, Singapore Airlines, andDelta from Australia to Ko Samui by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Anonymous,Apr 2025
YVR - TPE
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Anonymous,Apr 2025
YVR - TPE
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Anonymous,Apr 2025
YVR - TPE
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Anonymous,Apr 2025
YVR - TPE
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Anonymous,Apr 2025
YVR - TPE
Boarding
Food
Comfort
Crew
Overall
Entertainment
Reviews
Anonymous,Apr 2025
YVR - TPE
Related info for your journey
Find useful and relevant information for your journey from Australia to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near Australia?
Book flights to Australia if you plan to visit one of these locationsBrowse 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 Australia to Ko Samui
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Australia to Ko Samui
Discover the top 5 airlines that operate flights from Australia 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 11 July 2025.
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 Australia to Ko Samui?
Cheapflights helps you search for flights from Australia 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 Australia to Ko Samui?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ko Samui from Australia.
Can Cheapflights find flights from Australia to Ko Samui with no change fees?
Need flexible booking options for your flight to Ko Samui from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Australia to Ko Samui become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!