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Cheap flights from Cairns to Ko Samui from $658

CNS — USM
21 Oct — 28 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

Tue 1/1209:45 -
3 stops34h 25m
Sat 5/1219:50 -
1 stop18h 25m
Deal found 20/9$1,198
Mon 30/1119:15 -
2 stops24h 55m
Sat 5/1218:05 -
1 stop20h 10m
Deal found 20/9$1,222
Tue 1/1209:45 -
3 stops34h 25m
Fri 4/1219:50 -
1 stop18h 25m
Deal found 20/9$1,232
Tue 1/1209:45 -
3 stops25h 15m
Wed 2/1219:50 -
1 stop18h 25m
Deal found 20/9$1,240
Mon 30/1119:15 -
2 stops24h 55m
Thu 3/1219:50 -
1 stop18h 25m
Deal found 20/9$1,249
Thu 3/1209:45 -
3 stops25h 15m
Sat 5/1219:50 -
1 stop18h 25m
Deal found 20/9$1,254
Mon 30/1119:15 -
2 stops24h 55m
Fri 4/1219:50 -
1 stop18h 25m
Deal found 20/9$1,257
Wed 2/1219:15 -
2 stops24h 55m
Sat 5/1219:50 -
1 stop18h 25m
Deal found 20/9$1,281
Thu 3/1209:45 -
3 stops25h 15m
Fri 4/1219:50 -
1 stop18h 25m
Deal found 20/9$1,288
Sun 29/1109:45 -
3 stops49h 40m
Sat 5/1219:50 -
1 stop18h 25m
Deal found 20/9$1,292
Wed 2/1209:45 -
3 stops25h 15m
Thu 3/1219:50 -
1 stop18h 25m
Deal found 20/9$1,316
Wed 2/1209:45 -
3 stops25h 15m
Fri 4/1219:50 -
1 stop18h 25m
Deal found 20/9$1,326

Find flight deals from Cairns to Ko Samui

Round-trip from

$1,198

One-way from

$658
1/12-5/12
  • 1/12-5/12
  • 4 total stops
  • 52h 50m total
  • Cairns to Ko Samui
Search Deals
11/11-31/12
  • 11/11-31/12
  • 2 total stops
  • 24h 55m 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

Wed 11/11

19:15-17:10

2 stops24h 55m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$658

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Wed 11/11

18:40-17:10

1 stop25h 30m

Ko Samui

Wed 31/12

00:00-03:00

Nonstop0h 00m

$875

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Wed 24/2

18:20-17:10

1 stop25h 50m

Ko Samui

Sat 27/2

08:55-17:15

1 stop29h 20m

$1,574

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Thu 5/11

06:00-21:05

2 stops18h 05m

Ko Samui

Thu 12/11

13:25-10:30

2 stops18h 05m

$1,574

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Fri 20/11

18:40-10:55

1 stop19h 15m

Ko Samui

Sat 21/11

18:05-17:15

1 stop44h 10m

$1,789

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Thu 5/11

15:40-20:25

3 stops31h 45m

Ko Samui

Thu 12/11

13:25-10:30

2 stops18h 05m

$1,825

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Sun 29/11

18:40-17:10

1 stop25h 30m

Ko Samui

Wed 2/12

18:05-17:15

1 stop20h 10m

$1,874

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Sun 29/11

18:40-08:00

1 stop16h 20m

Ko Samui

Tue 1/12

08:55-17:15

1 stop29h 20m

$1,874

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Mon 30/11

18:40-17:10

1 stop25h 30m

Ko Samui

Tue 1/12

19:50-17:15

1 stop18h 25m

$1,945

CairnsKo Samui

CNS Cairns - USM Ko Samui

CNSUSM

Cairns

Wed 2/12

18:20-18:55

1 stop27h 35m

Ko Samui

Fri 4/12

12:00-17:15

1 stop26h 15m

$2,034

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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
1,606 reviews
Check prices

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Crew

8.6

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

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Crew

8.6

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 $1,574, Singapore Airlines can have you in Ko Samui from Cairns in 18h 05m. 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 $1,319, 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$1,319Average$1,630FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

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

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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