When did momondo last update prices for flights from Cairns Airport to Ko Samui Airport?

Prices for flights from Cairns Airport to Ko Samui Airport were last updated today.

How many operators does momondo search for flights from Cairns Airport to Ko Samui Airport?

As of November 2025, there is 1 operator available to choose from for flights from Cairns Airport to Ko Samui Airport.

How old do you have to be to fly from Cairns Airport to Ko Samui Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Cairns Airport to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$585 Cheap Flights from Cairns to Ko Samui in 2025/26

1 adult

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Find the cheapest flights from Cairns to Ko Samui

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

19:15 - 17:10CNS-USM

24h 55m2 stops

08:55 - 05:45USM-CNS

17h 50m2 stops

$1,528Multiple Airlines

Find Deal

Fri, 9 Jan - Fri, 16 Jan

09:45 - 18:50CNS-USM

36h 05m3 stops

08:55 - 05:45USM-CNS

17h 50m2 stops

$1,653Multiple Airlines

Find Deal

Fri, 9 Jan - Fri, 16 Jan

17:35 - 08:00CNS-USM

41h 25m3 stops

08:15 - 05:45USM-CNS

18h 30m3 stops

$1,678Multiple Airlines

Find Deal

Fri, 9 Jan - Fri, 16 Jan

12:35 - 19:35CNS-USM

34h 00m2 stops

11:40 - 10:45USM-CNS

44h 05m2 stops

$1,972Cathay Pacific

Find Deal

Thu, 5 Mar - Sun, 8 Mar

12:35 - 19:35CNS-USM

34h 00m2 stops

11:40 - 10:45USM-CNS

44h 05m2 stops

$1,973Cathay Pacific

Find Deal

Thu, 5 Mar - Sun, 8 Mar

19:15 - 08:00CNS-USM

39h 45m2 stops

11:40 - 09:55USM-CNS

19h 15m1 stop

$2,334Multiple Airlines

Find Deal

Fri, 9 Jan - Fri, 16 Jan

11:35 - 19:35CNS-USM

35h 00m2 stops

08:30 - 09:55USM-CNS

22h 25m2 stops

$2,475Cathay Pacific

Find Deal

Mon, 29 Dec - Mon, 12 Jan

11:35 - 19:35CNS-USM

35h 00m2 stops

11:40 - 09:55USM-CNS

19h 15m1 stop

$2,885Cathay Pacific

Find Deal

Mon, 29 Dec - Mon, 12 Jan

17:35 - 19:35CNS-USM

29h 00m2 stops

16:30 - 09:55USM-CNS

14h 25m2 stops

$3,006Multiple Airlines

Find Deal

Mon, 29 Dec - Mon, 12 Jan

17:35 - 19:35CNS-USM

29h 00m2 stops

11:40 - 09:55USM-CNS

19h 15m1 stop

$3,348Multiple Airlines

Find Deal

Mon, 29 Dec - Mon, 12 Jan

Cathay Pacific flights from Cairns to Ko Samui

Our best Cathay Pacific deals on Cairns to Ko Samui flight tickets

Cathay Pacific

5 Mar

CNS12:35Cairns

34h 00m

2 stops

USM19:35Ko Samui

8 Mar

USM11:40Ko Samui

44h 05m

2 stops

CNS10:45Cairns

$1,972

Find similar

Cathay Pacific

5 Mar

CNS12:35Cairns

34h 00m

2 stops

USM19:35Ko Samui

8 Mar

USM11:40Ko Samui

44h 05m

2 stops

CNS10:45Cairns

$1,973

Find similar

Cathay Pacific

29 Dec

CNS11:35Cairns

35h 00m

2 stops

USM19:35Ko Samui

12 Jan

USM08:30Ko Samui

22h 25m

2 stops

CNS09:55Cairns

$2,475

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Fri 9/1

19:15-17:10

2 stops24h 55m

Ko Samui

Fri 16/1

08:55-05:45

2 stops17h 50m

$1,528

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Fri 9/1

09:45-18:50

3 stops36h 05m

Ko Samui

Fri 16/1

08:55-05:45

2 stops17h 50m

$1,653

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Fri 9/1

17:35-08:00

3 stops41h 25m

Ko Samui

Fri 16/1

08:15-05:45

3 stops18h 30m

$1,678

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Thu 5/3

12:35-19:35

2 stops34h 00m

Ko Samui

Sun 8/3

11:40-10:45

2 stops44h 05m

$1,972

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Thu 5/3

12:35-19:35

2 stops34h 00m

Ko Samui

Sun 8/3

11:40-10:45

2 stops44h 05m

$1,973

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Fri 9/1

19:15-08:00

2 stops39h 45m

Ko Samui

Fri 16/1

11:40-09:55

1 stop19h 15m

$2,334

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Mon 29/12

11:35-19:35

2 stops35h 00m

Ko Samui

Mon 12/1

08:30-09:55

2 stops22h 25m

$2,475

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Mon 29/12

11:35-19:35

2 stops35h 00m

Ko Samui

Mon 12/1

11:40-09:55

1 stop19h 15m

$2,885

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Mon 29/12

17:35-19:35

2 stops29h 00m

Ko Samui

Mon 12/1

16:30-09:55

2 stops14h 25m

$3,006

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Mon 29/12

17:35-19:35

2 stops29h 00m

Ko Samui

Mon 12/1

11:40-09:55

1 stop19h 15m

$3,348

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cairns to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Cairns to Ko Samui?

Singapore Airlines and Qantas Airways are the most popular carriers operating from Cairns to Ko Samui

When to book flights from Cairns to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Cairns to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cairns to Ko Samui (CNS to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to Ko Samui

Fastest flight time	24h 55m
Direct flights	None

The fastest flight from Cairns to Ko Samui takes 24h 55m

There are no direct flights from Cairns to Ko Samui. There are no popular flight routes from Cairns to Ko Samui.

Search flight deals

How far is Cairns to Ko Samui by plane?
Cairns and Ko Samui are 5819.1 km apart from one another. 24h 55m is a normal flight duration for this route.
When did momondo last update prices for flights from Cairns Airport to Ko Samui Airport?
Prices for flights from Cairns Airport to Ko Samui Airport were last updated today.
How many operators does momondo search for flights from Cairns Airport to Ko Samui Airport?
As of November 2025, there is 1 operator available to choose from for flights from Cairns Airport to Ko Samui Airport.
How old do you have to be to fly from Cairns Airport to Ko Samui Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Cairns Airport to Ko Samui Airport.
What documentation or ID do you need to fly to Ko Samui Airport?
The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Cairns to Ko Samui?
Based on momondo bookings for flights between Cairns and Ko Samui, the leading airline is Singapore Airlines, making up 100% of the total bookings.

Best airlines flying from Cairns to Ko Samui

Compare and see reviews for airlines that fly from Cairns to Ko Samui with momondo

Airline	Rating	Free cancellation	Price
Singapore Airlines	PriceFrom $1,090	Free cancellation	Rating 8.1 1,409 reviews		Search Singapore Airlines flights

Ko Pha Ngan

Ko Tao

Khanom

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Why should I use momondo to find a flight deal from Cairns to Ko Samui?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cairns to Ko Samui for you.

Can I find flights from Cairns to Ko Samui with flexible booking policies on momondo?

All flight searches from Cairns to Ko Samui on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Cairns to Ko Samui?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ko Samui from Cairns.

I’m not ready to book a flight from Cairns to Ko Samui right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Cairns to Ko Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.