How do I get Price Alerts for flights from Cairns to Ko Samui?

Search flight deals from Cairns to Ko Samui . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Cairns to Ko Samui with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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 January 2026, 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.

$1,091 Cheap Flights from Cairns to Ko Samui in 2026

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 - 18:50

CNS

USM

26h 35m

2 stops

08:40 - 05:30

USM

CNS

17h 50m

2 stops

$1,091Multiple Airlines

Fri, 20 Mar - Mon, 30 Mar

09:45 - 18:50

CNS

USM

60h 05m

3 stops

08:40 - 05:30

USM

CNS

17h 50m

2 stops

$1,187Multiple Airlines

Fri, 20 Mar - Mon, 30 Mar

18:15 - 13:55

CNS

USM

22h 40m

2 stops

18:25 - 17:00

USM

CNS

19h 35m

2 stops

$1,240Multiple Airlines

Sun, 14 Jun - Sat, 27 Jun

18:15 - 07:45

CNS

USM

16h 30m

1 stop

08:40 - 17:00

USM

CNS

29h 20m

1 stop

$1,264Singapore Airlines

Sun, 14 Jun - Sat, 27 Jun

18:15 - 13:55

CNS

USM

22h 40m

2 stops

08:40 - 17:00

USM

CNS

29h 20m

1 stop

$1,276Multiple Airlines

Sun, 14 Jun - Sat, 27 Jun

18:35 - 18:50

CNS

USM

27h 15m

1 stop

21:00 - 17:00

USM

CNS

41h 00m

2 stops

$1,290Multiple Airlines

Fri, 20 Mar - Mon, 30 Mar

18:35 - 18:50

CNS

USM

27h 15m

1 stop

19:45 - 17:00

USM

CNS

42h 15m

1 stop

$1,451Singapore Airlines

Fri, 20 Mar - Mon, 30 Mar

17:35 - 13:05

CNS

USM

46h 30m

2 stops

08:15 - 10:45

USM

CNS

23h 30m

2 stops

$1,495Qantas Airways

Sun, 8 Mar - Thu, 12 Mar

17:35 - 13:05

CNS

USM

46h 30m

2 stops

08:15 - 10:45

USM

CNS

23h 30m

2 stops

$1,500Qantas Airways

Sun, 8 Mar - Thu, 12 Mar

18:35 - 18:50

CNS

USM

27h 15m

1 stop

08:55 - 17:20

USM

CNS

29h 25m

1 stop

$1,504Singapore Airlines

Sun, 8 Mar - Thu, 12 Mar

Singapore Airlines flights from Cairns to Ko Samui

Our best Singapore Airlines deals on Cairns to Ko Samui flight tickets

Singapore Airlines

14 June

CNS18:15Cairns

16h 30m

1 stop

USM07:45Ko Samui

27 June

USM08:40Ko Samui

29h 20m

1 stop

CNS17:00Cairns

$1,264

Singapore Airlines

20 Mar

CNS18:35Cairns

27h 15m

1 stop

USM18:50Ko Samui

30 Mar

USM19:45Ko Samui

42h 15m

1 stop

CNS17:00Cairns

$1,451

Singapore Airlines

8 Mar

CNS18:35Cairns

16h 25m

1 stop

USM08:00Ko Samui

12 Mar

USM08:55Ko Samui

29h 25m

1 stop

CNS17:20Cairns

$1,500

British Airways flights from Cairns to Ko Samui

Our best British Airways deals on Cairns to Ko Samui flight tickets

British Airways

21 Mar

CNS12:35Cairns

59h 30m

2 stops

USM21:05Ko Samui

30 Mar

USM13:30Ko Samui

19h 25m

2 stops

CNS11:55Cairns

$1,819

British Airways

21 Mar

CNS12:35Cairns

56h 40m

2 stops

USM18:15Ko Samui

29 Mar

USM13:30Ko Samui

19h 25m

2 stops

CNS11:55Cairns

$2,028

British Airways

19 Mar

CNS12:35Cairns

56h 40m

2 stops

USM18:15Ko Samui

30 Mar

USM13:30Ko Samui

19h 25m

2 stops

CNS11:55Cairns

$2,057

Fly from

Fly to

Route

Depart

Return

Price

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Fri 20/3

19:15-18:50

2 stops26h 35m

Ko Samui

Mon 30/3

08:40-05:30

2 stops17h 50m

$1,091

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Fri 20/3

09:45-18:50

3 stops60h 05m

Ko Samui

Mon 30/3

08:40-05:30

2 stops17h 50m

$1,187

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Sun 14/6

18:15-13:55

2 stops22h 40m

Ko Samui

Sat 27/6

18:25-17:00

2 stops19h 35m

$1,240

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Sun 14/6

18:15-07:45

1 stop16h 30m

Ko Samui

Sat 27/6

08:40-17:00

1 stop29h 20m

$1,264

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Sun 14/6

18:15-13:55

2 stops22h 40m

Ko Samui

Sat 27/6

08:40-17:00

1 stop29h 20m

$1,276

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Fri 20/3

18:35-18:50

1 stop27h 15m

Ko Samui

Mon 30/3

21:00-17:00

2 stops41h 00m

$1,290

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Fri 20/3

18:35-18:50

1 stop27h 15m

Ko Samui

Mon 30/3

19:45-17:00

1 stop42h 15m

$1,451

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Sun 8/3

17:35-13:05

2 stops46h 30m

Ko Samui

Thu 12/3

08:15-10:45

2 stops23h 30m

$1,495

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Sun 8/3

17:35-13:05

2 stops46h 30m

Ko Samui

Thu 12/3

08:15-10:45

2 stops23h 30m

$1,500

CairnsKo Samui

CNS - USM

CNSUSM

Cairns

Sun 8/3

18:35-18:50

1 stop27h 15m

Ko Samui

Thu 12/3

08:55-17:20

1 stop29h 25m

$1,504

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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	22h 40m
Direct flights	None

The fastest flight from Cairns to Ko Samui takes 22h 40m

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. 22h 40m 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 January 2026, 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 $1,169	Free cancellation	Rating 8.1 1,431 reviews		Search Singapore Airlines flights

How do I get Price Alerts for flights from Cairns to Ko Samui?
Search flight deals from Cairns to Ko Samui. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Cairns to Ko Samui with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

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.