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Cheap flights from Cairns to Samui International

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Flight deals from Cairns to Samui International

Looking for a cheap last-minute deal or the best round-trip flight from Cairns to Samui International? Find the lowest prices on one-way and round-trip tickets right here.
Koh Samui.C$992 per passenger.Departing Sun, Jun 8, returning Sun, Jun 15.Round-trip flight with Jetstar and Scoot.Outbound indirect flight with Jetstar, departing from Cairns on Sun, Jun 8, arriving in Samui International.Inbound indirect flight with Scoot, departing from Samui International on Sun, Jun 15, arriving in Cairns.Price includes taxes and charges.From C$992, select.
Koh Samui.C$1,031 per passenger.Departing Fri, May 9, returning Tue, May 13.Round-trip flight with Jetstar and Bangkok Airways.Outbound indirect flight with Jetstar, departing from Cairns on Fri, May 9, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Tue, May 13, arriving in Cairns.Price includes taxes and charges.From C$1,031, select.
Koh Samui.C$1,231 per passenger.Departing Sat, Apr 26, returning Sat, May 3.Round-trip flight with Indonesia AirAsia and Scoot.Outbound indirect flight with Indonesia AirAsia, departing from Cairns on Sat, Apr 26, arriving in Samui International.Inbound indirect flight with Scoot, departing from Samui International on Sat, May 3, arriving in Cairns.Price includes taxes and charges.From C$1,231, select.
Koh Samui.C$1,676 per passenger.Departing Fri, Dec 19, returning Sat, Jan 3.Round-trip flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departing from Cairns on Fri, Dec 19, arriving in Samui International.Inbound indirect flight with Singapore Airlines, departing from Samui International on Sat, Jan 3, arriving in Cairns.Price includes taxes and charges.From C$1,676, select.
Koh Samui.C$2,240 per passenger.Departing Mon, Jul 14, returning Sun, Jul 20.Round-trip flight with Qantas and Bangkok Airways.Outbound indirect flight with Qantas, departing from Cairns on Mon, Jul 14, arriving in Samui International.Inbound indirect flight with Bangkok Airways, departing from Samui International on Sun, Jul 20, arriving in Cairns.Price includes taxes and charges.From C$2,240, select.

When is the cheapest time to fly from Cairns to Samui International?

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cairns to Samui International flights are currently cheapest in June.
Apr
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May
from C$1,031
Jun
from C$992
Jul
from C$2,240
Aug
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Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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Cairns to Samui International: Alternative routes

Compare routes from Cairns to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Cairns to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundC$992
Cheapest month to flyJune

Finding cheap flights from Cairns to Samui International: Frequently asked questions

The best price we found for a round-trip flight from Cairns to Samui International is C$992. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cairns to Samui International. But we found flights with one or more stops from C$992.
There are no flights flying from Cairns to Samui International, as of April 2025.
The cheapest month to fly from Cairns to Samui International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cairns Airport to Samui International Airport on Sunday, June 8, 2025.
No airlines currently offer direct flights between Cairns Airport and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Jetstar offers the cheapest flight tickets to Samui International.

Flying from Cairns Airport (CNS) to Koh Samui Airport (USM): what you need to know

  • Arrive at the airport on time so you don't miss your CNS to USM flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • During popular months such as July, it's a good idea to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of an international flight when you fly during peak periods in general.

  • Break up your flight or take a detour to a new city with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from Cairns Airport to Koh Samui Airport. Many travellers pass through Changi International Airport when flying between CNS and USM.

How to find the cheapest flights from Cairns Airport (CNS) to Koh Samui Airport (USM)

  • The lowest price we've found for a one-way Cairns Airport to Koh Samui Airport flight is C$409. A round-trip ticket is currently C$992. Depending on the availability when you book, these fares could change.

  • Don't wait until the last moment. You're more likely to get cheap tickets from CNS to USM if you book in advance. Airlines often have some excellent early bird rates.

  • The 'Whole month' search function shows you the cheapest flights from Cairns Airport to Koh Samui Airport across the entire month. It's a great way to snap up a bargain if your travel plans are flexible.

  • Save time searching for cheap flights from CNS to USM by setting up a Price Alert. You'll receive an email or push notification on the app when fares go down.

  • Tailor your trip with filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from Cairns Airport to Koh Samui Airport.

Handy information about Cairns Airport (CNS)

  • 71.55% of flights taking off from Cairns Airport land at their destination on schedule.

  • Central Cairns to Cairns Airport is approximately 6 kilometres. Depending on traffic, it'll take you about 10 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Expect a trip time of roughly 1 hour 25 minutes on public transport.

  • Looking for a handy hotel near CNS? If you're catching an early flight from Cairns Airport to Koh Samui Airport, these stays will have you sleeping moments from check-in:

Arriving at Koh Samui Airport (USM)

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a Cairns Airport to Koh Samui Airport flight. Stay at one of these accommodation options near USM instead:

  • Pick up a Koh Samui Airport rental car and discover Koh Samui and beyond with your own wheels. Asap car rental, Hertz and Drive Car Rental are top outlets you can book with here.

  • Lock in the best deal by booking your vehicle from Koh Samui Airport about four weeks in advance of your trip.

Getting from Koh Samui Airport (USM) to central Koh Samui

  • Koh Samui Airport is roughly 3 kilometres from central Koh Samui. The time it takes to get there by cab or ride-share depends on the time of day, so do a little research before your trip.

When to fly to Koh Samui Airport (USM)

  • The quietest month for a flight from Cairns Airport to Koh Samui Airport is February, while July is the most popular. Pick the best time to visit Koh Samui based on whether you prefer a more relaxed vibe or a faster pace.

Explore more of Thailand

  • You've seen Koh Samui, now it's time to discover more of Thailand. Travel around 467 kilometres north to Bangkok to tick off its must-visit sights. From Grand Palace to Wat Arun and Wat Phra Kaew, you'll have a packed itinerary ahead.

  • Chon Buri is another essential stop in Thailand and is around 434 kilometres north of Koh Samui. No journey is complete without seeing Wat Ton Son, Forest and Phra Phutthasihing Hall.

Plan the rest of your trip from Cairns to Koh Samui

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.