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Cheap flights from Cairns to Ko Samui from $823

CNS — USM
25 Sep — 2 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cairns to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Cairns to Ko Samui

Fri 9/1014:50 -
2 stops19h 55m
Fri 16/1018:25 -
2 stops25h 05m
Deal found 25/8$1,539
Wed 14/1006:00 -
2 stops18h 10m
Sun 18/1014:00 -
2 stops41h 35m
Deal found 20/8$1,716
Wed 14/1018:15 -
1 stop27h 35m
Sun 18/1011:05 -
1 stop26h 55m
Deal found 20/8$1,993
Fri 9/1018:15 -
1 stop16h 30m
Fri 16/1019:45 -
1 stop42h 15m
Deal found 25/8$2,011

Find flight deals from Cairns to Ko Samui

Round-trip from

$1,539

One-way from

$823
9/10-16/10
  • 9/10-16/10
  • 4 total stops
  • 45h 00m total
  • Cairns to Ko Samui
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 52h 45m total
  • Cairns to Ko Samui
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Fri 9/10

14:50-07:45

2 stops19h 55m

Ko Samui

Fri 16/10

18:25-22:30

2 stops25h 05m

$1,539

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Wed 14/10

06:00-21:10

2 stops18h 10m

Ko Samui

Sun 18/10

14:00-10:35

2 stops41h 35m

$1,716

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Wed 14/10

18:15-18:50

1 stop27h 35m

Ko Samui

Sun 18/10

11:05-17:00

1 stop26h 55m

$1,993

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Fri 9/10

18:15-07:45

1 stop16h 30m

Ko Samui

Fri 16/10

19:45-17:00

1 stop42h 15m

$2,011
Cheapest one-way

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Tue 1/9

20:20-07:45

2 stops38h 25m

$921

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Fri 27/11

10:15-08:00

2 stops24h 45m

$924
Fastest single journey

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Tue 1/9

18:15-07:45

1 stop16h 30m

$1,172

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Fri 27/11

18:20-21:05

1 stop29h 45m

$1,286

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Sorted by cheapest first

Best time to book a flight from Cairns to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Cairns with our price prediction graph.
Estimated return price

Reviews of airlines servicing Ko Samui

See what other customers who have flown with Singapore Airlines from Cairns to Ko Samui have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,585 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Crew

8.7

Entertainment

8.1

Boarding

8.3

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
1,585 reviews
Singapore Airlines
8.2
Very Good
1,585 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Crew

8.7

Entertainment

8.1

Boarding

8.3

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 Cairns to Ko Samui?

    For as low as $1,716, Qantas Airways can have you in Ko Samui from Cairns in 18h 10m. The distance from Cairns to Ko Samui is about 5816 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from Cairns to Ko Samui round-trip?

    Singapore Airlines, at $1,314, was found to be the cheapest airline from Cairns to Ko Samui..

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cairns 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

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

Top airline flying from Cairns to Ko Samui

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$1,314Average$1,623FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cairns to Ko Samui. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Certainly. Search results for flights to Ko Samui from Cairns shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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