Cheap flights from Cairns to Ko Samui from $845
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Cairns to Ko Samui
Cheapest flights from Cairns to Ko SamuiExplore 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 6 October 2026.
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 6 October 2026.
Best flights from Cairns to Ko SamuiDiscover 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 6 October 2026.
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 6 October 2026.
Last-minute flights from Cairns to Ko SamuiDiscover last-minute flight deals from Cairns to Ko Samui. Data last updated 6 October 2026 and is based on user searches.
Discover last-minute flight deals from Cairns to Ko Samui. Data last updated 6 October 2026 and is based on user searches.
One-way flights from Cairns to Ko SamuiSearch for one-way flight options from Cairns to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.
Search for one-way flight options from Cairns to Ko Samui. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.
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 6 October 2026.
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
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Sun 27/12
14:40-18:55
2 stops31h 15m
Ko Samui
Wed 31/12
00:00-03:00
Nonstop0h 00m
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Sun 28/2
18:20-18:55
1 stop27h 35m
Ko Samui
Sun 28/3
08:40-17:05
1 stop29h 25m
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Wed 24/2
11:15-21:05
2 stops36h 50m
Ko Samui
Sat 27/2
13:25-22:40
2 stops30h 15m
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Wed 24/2
18:20-08:00
1 stop16h 40m
Ko Samui
Sat 27/2
13:25-17:15
1 stop24h 50m
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Mon 28/12
18:20-17:10
1 stop25h 50m
Ko Samui
Wed 31/12
00:00-03:00
Nonstop0h 00m
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Mon 4/1
18:20-18:55
1 stop27h 35m
Ko Samui
Wed 31/12
00:00-03:00
Nonstop0h 00m
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Tue 5/1
18:20-18:55
1 stop27h 35m
Ko Samui
Wed 31/12
00:00-03:00
Nonstop0h 00m
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Sun 20/12
18:20-17:10
1 stop25h 50m
Ko Samui
Wed 31/12
00:00-03:00
Nonstop0h 00m
CairnsKo Samui
CNS Cairns - USM Ko Samui
CNSUSM
Cairns
Sat 19/12
18:20-08:00
1 stop16h 40m
Ko Samui
Wed 31/12
00:00-03:00
Nonstop0h 00m
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.
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 6 October 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.
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
Anonymous,May 2026
SYD - SIN
Crew
Food
Boarding
Comfort
Overall
Entertainment
Reviews
Anonymous,May 2026
SYD - SIN
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.
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Alternative routes for Cairns to Ko Samui
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Complete your trip
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Direct flights to Thailand
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Other flights to Ko Samui
Explore flights to Ko Samui departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 October 2026.
Cairns and Ko Samui flights
Browse other Cairns and Ko Samui flight options. Last updated on 6 October 2026.
Other flights from Cairns
Browse through other flights departing from Cairns. Flights are based on user searches made on Cheapflights and were last updated on 6 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Top airline flying from Cairns to Ko Samui
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 6 October 2026.
Fly with Cheapflights
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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.