How long is the flight from Adelaide to Ko Samui?

Airlines like Qantas Airways fly from Adelaide to Ko Samui in about 39h 45m. The time it takes to get you to your destination can typically vary by up to . The distance between Adelaide and Ko Samui is about 6384 km.

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

According to our current data, Qantas Airways ($1,126), and Singapore Airlines ($1,288) offers the cheapest pricing from Adelaide to Ko Samui. Qantas Airways is currently priced 25% below the average price you’ll pay for this route.

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.

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).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Adelaide to Ko Samui as you normally would.

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.

$1,344+ Cheap Flights from Adelaide to Ko Samui

Cheap flight deals from Adelaide to Ko Samui

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

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 22 September 2026.

Wed 4/1107:50 -

2 stops16h 45m

Wed 11/1113:25 -

2 stops16h 30m

Deal found 20/9$1,344

Tue 20/1006:00 -

2 stops39h 45m

Tue 27/1016:25 -

2 stops21h 50m

Deal found 17/9$1,347

Wed 28/1006:05 -

2 stops39h 40m

Sun 1/1113:25 -

2 stops20h 35m

Deal found 21/9$1,410

Mon 19/1012:00 -

2 stops33h 45m

Wed 21/1013:30 -

2 stops24h 45m

Deal found 17/9$1,457

Mon 2/1110:15 -

1 stop10h 25m

Mon 9/1112:00 -

1 stop17h 20m

Deal found 18/9$1,496

Wed 4/1110:15 -

1 stop10h 25m

Wed 11/1118:05 -

1 stop19h 45m

Deal found 20/9$1,598

Wed 4/1110:15 -

2 stops24h 25m

Wed 11/1118:05 -

1 stop19h 45m

Deal found 20/9$1,653

Mon 2/1111:30 -

2 stops23h 45m

Mon 9/1118:40 -

3 stops34h 45m

Deal found 18/9$1,713

Tue 20/1010:10 -

1 stop27h 30m

Tue 27/1019:45 -

1 stop42h 05m

Deal found 17/9$1,777

Find flight deals from Adelaide to Ko Samui

Round-trip from	$1,344
Popular in	April
Cheapest in	August
Average price	$1,524

Qantas Airways
4/11-11/11
4 total stops
33h 15m total
Adelaide to Ko Samui

Search Deals

Highest demand for flights based on searches. 0% potential increase in price ($14 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($50 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Tue 20/10

06:00-18:15

2 stops39h 45m

Ko Samui

Tue 27/10

16:25-17:45

2 stops21h 50m

$1,347

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Wed 28/10

06:05-18:15

2 stops39h 40m

Ko Samui

Sun 1/11

13:25-13:30

2 stops20h 35m

$1,410

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Mon 2/11

07:50-21:05

2 stops16h 45m

Ko Samui

Mon 9/11

14:25-11:00

2 stops17h 05m

$1,410

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Mon 19/10

12:00-18:15

2 stops33h 45m

Ko Samui

Wed 21/10

13:30-17:45

2 stops24h 45m

$1,459

Fastest return journey

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Mon 2/11

10:15-17:10

1 stop10h 25m

Ko Samui

Mon 9/11

12:00-08:50

1 stop17h 20m

$1,496

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Wed 4/11

10:15-17:10

1 stop10h 25m

Ko Samui

Wed 11/11

18:05-17:20

1 stop19h 45m

$1,598

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Mon 2/11

11:30-07:45

2 stops23h 45m

Ko Samui

Mon 9/11

18:40-08:55

3 stops34h 45m

$1,713

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Wed 4/11

20:25-19:35

2 stops26h 40m

Ko Samui

Wed 11/11

08:30-13:45

3 stops25h 45m

$1,772

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Tue 20/10

10:10-10:10

1 stop27h 30m

Ko Samui

Tue 27/10

19:45-17:20

1 stop42h 05m

$1,777

AdelaideKo Samui

ADL Adelaide - USM Ko Samui

ADLUSM

Adelaide

Wed 28/10

10:15-10:55

1 stop28h 10m

Ko Samui

Sun 1/11

18:05-17:20

1 stop19h 45m

$1,864

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 11 resultsSorted by cheapest first

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.

ADL-USM

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

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

Airfare is typical for this route at the moment.

Adelaide to Ko Samui flights typically cost between $1,222 and $1,680 in November.
The cheapest return price found within the last 5 days was $1,344 on Qantas Airways (4 Nov–11 Nov).

Reviews of airlines servicing Ko Samui

Read through reviews of airlines operating flights from Adelaide to Ko Samui, such as Singapore Airlines and Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Singapore Airlines

8.2

Very Good

1,606 reviews

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Qantas Airways

7.5

Good

1,102 reviews

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SYD - SIN

creat a group of Senior (75 above) to allow them board the flight ahead of other groups.

Related info for your journey

How long is the flight from Adelaide to Ko Samui?
Airlines like Qantas Airways fly from Adelaide to Ko Samui in about 39h 45m. The time it takes to get you to your destination can typically vary by up to . The distance between Adelaide and Ko Samui is about 6384 km.
What are the cheapest airlines flying from Adelaide to Ko Samui round-trip?
According to our current data, Qantas Airways ($1,126), and Singapore Airlines ($1,288) offers the cheapest pricing from Adelaide to Ko Samui. Qantas Airways is currently priced 25% 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.

See more FAQs

Ko Tao

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Top 2 airlines flying from Adelaide to Ko Samui

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,126	Average$1,245	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
Singapore Airlines	Cheapest$1,288	Average$1,524	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

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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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Cheap flights from Adelaide to Ko Samui from $1,344

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Adelaide to Ko Samui

Cheapest flights from Adelaide to Ko SamuiExplore 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 22 September 2026.

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 22 September 2026.

Best flights from Adelaide to Ko SamuiDiscover carefully curated flight deals from Adelaide to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Discover carefully curated flight deals from Adelaide to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from Adelaide to Ko SamuiDiscover last-minute flight deals from Adelaide to Ko Samui. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from Adelaide to Ko Samui. Data last updated 22 September 2026 and is based on user searches.

Find flight deals from Adelaide to Ko Samui

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Adelaide to Ko Samui that are best for you.

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.

Cheapflights Insights

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

Airfare is typical for this route at the moment.

Adelaide to Ko Samui flights typically cost between $1,222 and $1,680 in November.The cheapest return price found within the last 5 days was $1,344 on Qantas Airways (4 Nov–11 Nov).

Reviews of airlines servicing Ko Samui

Read through reviews of airlines operating flights from Adelaide to Ko Samui, such as Singapore Airlines and Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Adelaide to Ko Samui?

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

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

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

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

Travelling to a place near Ko Samui?

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 Adelaide to Ko Samui

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ko Samui by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Thailand

Book a non-stop flight to one of these other cities located in Thailand.

Search flights from Adelaide to Ko Samui by cabin class

Find flights from Adelaide to Ko Samui, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Ko Samui

Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 22 September 2026.

Adelaide and Ko Samui flights

Browse other Adelaide and Ko Samui flight options. Last updated on 22 September 2026.

Other flights from Adelaide

Browse through other flights departing from Adelaide. Flights are based on user searches made on Cheapflights and were last updated on 22 September 2026.

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Check out other popular destinations found by fellow travellers in 2026

Top 2 airlines flying from Adelaide to Ko Samui

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

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

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

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

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Travel Smart

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 22 September 2026.

Best flights from Adelaide to Ko Samui
Discover carefully curated flight deals from Adelaide to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Last-minute flights from Adelaide to Ko Samui
Discover last-minute flight deals from Adelaide to Ko Samui. Data last updated 22 September 2026 and is based on user searches.

Adelaide to Ko Samui flights typically cost between $1,222 and $1,680 in November.
The cheapest return price found within the last 5 days was $1,344 on Qantas Airways (4 Nov–11 Nov).