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Cheap flights from Adelaide to Ko Samui from $945

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — USM
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Adelaide to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) 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 25 March 2025.

Round-trip from

$967

Popular in

December

Cheapest in

March

Average price

$1,258
6/5-15/5
  • 6/5-15/5
  • 4 total stops
  • 62h 45m total
  • Adelaide to Ko Samui
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($1,099 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease ($188 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Adelaide to Ko Samui

Cheapest flights from Adelaide to Ko Samui
Explore the most affordable flight options available from Adelaide to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Tue 6/513:40ADL - USM
2 stops31h 20mMultiple Airlines
Wed 21/508:45USM - ADL
2 stops30h 00mMultiple Airlines
Deal found 23/3$945
Tue 6/509:10ADL - USM
1 stop28h 30mSingapore Airlines
Wed 21/508:45USM - ADL
1 stop29h 05mSingapore Airlines
Deal found 23/3$1,282
Sat 27/909:50ADL - USM
2 stops24h 55mMalaysia Airlines
Sat 4/1009:15USM - ADL
2 stops19h 15mMalaysia Airlines
Deal found 24/3$1,624
Wed 7/519:00ADL - USM
3 stops22h 15mCathay Pacific
Wed 21/510:05USM - ADL
3 stops30h 00mCathay Pacific
Deal found 23/3$1,996

Cheapflights Fare Finder

Customise your flight search to find flights from Adelaide 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 25 March 2025.
Use the filters below to find and compare flights from Adelaide to Ko Samui that are best for you.

Fly from

Adelaide

Fly to

Ko Samui

Route

Depart

Return

Price

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Tue 6/5

12:15-18:30

2 stops32h 45m

Ko Samui

Thu 15/5

08:45-17:15

2 stops30h 00m

$967

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Wed 7/5

09:10-18:30

1 stop11h 50m

Ko Samui

Wed 21/5

08:45-16:20

1 stop29h 05m

$1,282

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Wed 7/5

19:00-14:45

3 stops22h 15m

Ko Samui

Wed 21/5

10:05-18:35

3 stops30h 00m

$1,996

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Best time to book a flight from Adelaide to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Adelaide 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 Adelaide to Ko Samui

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

Currently, August is the cheapest month in which you can book a flight from Adelaide to Ko Samui (average of $533). Flying from Adelaide 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.

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 25 March 2025.
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Singapore Airlines
8.1
Very Good
1,284 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Cathay Pacific
7.5
Good
832 reviews
Singapore Airlines
8.1
Very Good
1,284 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Comfort

7.9

Food

7.7

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Related info for your journey

Find useful and relevant information for your journey from Adelaide 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 Adelaide to Ko Samui round-trip?

    According to our current data, Singapore Airlines ($1,282), and Cathay Pacific ($1,996) offers the cheapest pricing from Adelaide to Ko Samui. Singapore Airlines is currently priced 22% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Adelaide 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 Adelaide to Ko Samui?

    Currently, August is the cheapest month in which you can book a flight from Adelaide to Ko Samui (average of $533). Flying from Adelaide 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 Adelaide?

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

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Alternative routes for Adelaide to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Adelaide to Ko Samui

Discover the top airline that operate flights from Adelaide 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,128Average$1,398FlexibilityNo 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 Adelaide to Ko Samui?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ko Samui from Adelaide today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Adelaide to Ko Samui for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Adelaide 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 Adelaide 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 Adelaide 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 Adelaide today and book when prices fit your budget.

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