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Cheap flights from Cairns to Ko Samui from $573

CNS — USM
30 Oct — 6 Nov1
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

Mon 23/1118:40 -
1 stop16h 20m
Mon 30/1108:55 -
1 stop29h 20m
Deal found 30/9$1,488
Mon 23/1118:40 -
1 stop19h 15m
Mon 30/1108:55 -
2 stops17h 50m
Deal found 30/9$1,644
Mon 23/1115:40 -
3 stops31h 45m
Mon 30/1113:25 -
2 stops18h 05m
Deal found 30/9$2,481

Find flight deals from Cairns to Ko Samui

Round-trip from

$1,488

One-way from

$573
Singapore Airlines
  • Singapore Airlines
  • 23/11-30/11
  • 2 total stops
  • 45h 40m total
  • Cairns to Ko Samui
Search Deals
26/2-31/12
  • 26/2-31/12
  • 2 total stops
  • 39h 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

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Fri 26/2

19:15-08:00

2 stops39h 45m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$573

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Mon 30/11

09:45-08:00

3 stops49h 15m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$656

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Sun 29/11

09:45-17:30

3 stops34h 45m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$682

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Tue 24/11

09:45-08:00

3 stops49h 15m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$695

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Thu 26/11

19:50-08:00

2 stops39h 10m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$726

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Fri 27/11

19:15-18:25

2 stops50h 10m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$745
Fastest return journey

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Tue 1/12

06:40-08:00

2 stops28h 20m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$846

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Wed 24/2

18:20-08:00

1 stop16h 40m

Ko Samui

Sat 27/2

08:55-17:15

1 stop29h 20m

$1,581

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Wed 24/2

09:15-21:05

2 stops38h 50m

Ko Samui

Sat 27/2

13:25-22:40

2 stops30h 15m

$1,640

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Mon 23/11

19:15-08:00

2 stops39h 45m

Ko Samui

Mon 30/11

08:55-17:30

3 stops29h 35m

$1,663

Flights are sorted by cheapest return flights first.

Deals found on 27/9

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
1,620 reviews
Check prices

Food

7.8

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

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
1,620 reviews
Singapore Airlines
8.2
Very Good
1,620 reviews
Check prices

Food

7.8

Boarding

8.3

Crew

8.7

Overall

8.2

Comfort

8.0

Entertainment

8.1

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 $1,581, Singapore Airlines can have you in Ko Samui from Cairns in 16h 40m. 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 $1,345, 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$1,345Average$1,661FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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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.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Cairns 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 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?

Yes, Cheapflights offers price alerts on Cairns to Ko Samui flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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