$1,644 Find Cheap Flights from Cairns to Ko Samui – Compare and Save

Flights from Cairns to Ko Samui usually depart from Cairns (CNS) and arrive at Ko Samui (USM).

Only Economy class is available on flights from Cairns to Ko Samui.

Most connecting flights from Cairns to Ko Samui pass through Singapore Changi (SIN), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

Yes. Being flexible with your travel dates can save you up to 37% on the Cairns to Ko Samui route. Tuesday is the cheapest departure day at $1,177 return on average, while Friday is the most expensive at $1,856, a difference of $679. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, return prices on this route varied from about $1,644 to $2,284. That means the highest observed fare was about 38% higher than the lowest one.

Ko Samui is 3 hours behind Cairns (Indochina Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around $19 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Hertz

Return flights from Cairns to Ko Samui range from $1,246 to $1,643, with an average of $1,478 over the past 12 months. Anything below $1,246 counts as a good deal.