This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/2. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — USM
10 Dec — 17 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Cairns to Ko Samui
Enter your travel dates to find the best prices.
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Cheapest flights from Cairns to Ko Samui
Explore the most affordable flight options available from Cairns to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 November 2026.
Thu 24/1214:40 -
2 stops29h 30m
Thu 31/1218:15 -
2 stops24h 55m
Deal found 8/11$2,056
Tue 22/1214:40 -
3 stops30h 45m
Tue 29/1219:50 -
1 stop18h 25m
Deal found 7/11$2,141
Thu 24/1218:20 -
1 stop27h 35m
Thu 31/1218:05 -
1 stop20h 10m
Deal found 8/11$2,267
Tue 22/1218:20 -
1 stop27h 35m
Tue 29/1208:55 -
1 stop29h 20m
Deal found 7/11$3,032
Best flights from Cairns to Ko Samui
Discover carefully curated flight deals from Cairns to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 November 2026.
Sun 28/206:00 -
2 stops28h 10m
Sun 21/308:55 -
2 stops19h 50m
Deal found 8/11$1,197
Wed 3/318:20 -
1 stop16h 40m
Sun 7/308:55 -
1 stop29h 20m
Deal found 7/11$1,569
Wed 3/312:35 -
2 stops58h 00m
Sun 7/311:40 -
2 stops44h 15m
Deal found 6/11$2,076
Tue 22/1214:40 -
3 stops30h 45m
Tue 29/1219:50 -
1 stop18h 25m
Deal found 7/11$2,141
Thu 24/1218:20 -
1 stop27h 35m
Thu 31/1218:05 -
1 stop20h 10m
Deal found 8/11$2,267
Thu 24/1218:20 -
2 stops19h 45m
Thu 31/1218:05 -
1 stop20h 10m
Deal found 8/11$2,568
Last-minute flights from Cairns to Ko Samui
Discover last-minute flight deals from Cairns to Ko Samui. Data last updated 10 November 2026 and is based on user searches.
Tue 22/1214:40 -
3 stops30h 45m
Tue 29/1219:50 -
1 stop18h 25m
Deal found 7/11$2,141
Tue 22/1218:20 -
1 stop27h 35m
Tue 29/1208:55 -
1 stop29h 20m
Deal found 7/11$3,032
Thu 24/1214:40 -
2 stops29h 30m
Thu 31/1218:15 -
2 stops24h 55m
Deal found 8/11$2,056
Thu 24/1218:20 -
1 stop27h 35m
Thu 31/1218:05 -
1 stop20h 10m
Deal found 8/11$2,267
Find flight deals from Cairns to Ko Samui
Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 10 November 2026.
Customise your flight search to find flights from Cairns to Ko Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 10 November 2026.
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
Sun 28/2
06:00-07:10
2 stops28h 10m
Ko Samui
Sun 21/3
08:55-07:45
2 stops19h 50m
$1,197
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Wed 3/3
18:20-08:00
1 stop16h 40m
Ko Samui
Sun 7/3
08:55-17:15
1 stop29h 20m
$1,569
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Wed 3/3
12:35-19:35
2 stops58h 00m
Ko Samui
Sun 7/3
11:40-10:55
2 stops44h 15m
$2,076
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Tue 22/12
14:40-18:25
3 stops30h 45m
Ko Samui
Tue 29/12
19:50-17:15
1 stop18h 25m
$2,141
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Thu 24/12
18:20-18:55
1 stop27h 35m
Ko Samui
Thu 31/12
18:05-17:15
1 stop20h 10m
$2,267
Fastest return journey
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Thu 24/12
18:20-11:05
2 stops19h 45m
Ko Samui
Thu 31/12
18:05-17:15
1 stop20h 10m
$2,568
Flights are sorted by cheapest return flights first.
Deals found on 8/11
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.
CNS-USM
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Reviews of airlines servicing Ko Samui
Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 10 November 2026.
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.
creat a group of Senior (75 above) to allow them board the flight ahead of other groups.
Related info for your journey
Find useful and relevant information for your journey from Cairns to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Cairns to Ko Samui?
For as low as $1,337, Singapore Airlines can have you in Ko Samui from Cairns in 27h 35m. The distance from Cairns to Ko Samui is about 5816 km.
What is the cheapest airline to fly from Cairns to Ko Samui round-trip?
Singapore Airlines, at $1,358, was found to be the cheapest airline 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.
Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 November 2026.
Discover the top airline that operate flights from Cairns to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 10 November 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
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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