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Cheap Flights to Koh Samui
| Popular in | December | High demand for flights, 23% potential price rise |
| Cheapest in | March | Best time to find cheap flights, 6% potential price drop |
| Average price | $957 | Average for round-trip flights in August 2020 |
| Round-trip from | $6,628 | From Melbourne to Ko Samui |
| One-way from | $447 | One-way flight from Melbourne to Ko Samui |
Cheapest prices for Koh Samui flights by month
When is the best time to fly to Koh Samui?
Choose a month below to see average flight price and weather conditions.
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MEL - USM Price
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$826 - $1,676
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USM Temperature
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29 - 33 °C
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USM Rainfall
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50 - 423 mm
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Peak season
In the 1970s Thailand’s third largest island was known as a haven for backpackers arriving on cheap flights to Koh Samui. But recent developments of luxury resorts and health spas, plus shops, restaurants and bars, has opened up Koh Samui as a destination of choice for many Australian travellers. Located in the Gulf of Thailand, Koh Samui has a warm, dry climate for most of the year with temps averaging 30C and only a short, wet season. It is blessed with all the trappings of a tropical paradise, white sand beaches with crystal-clear waters, lush tropical rainforest and coral reefs with plentiful fish. Koh Samui’s high season runs from December to August, peaking in the months of July and August. The Christmas holiday period is also very busy and when cheap flights to Koh Samui are harder to find.Â
Off Season
Koh Samui’s off season is from September to November as these are the rainy months and sightseeing can be interrupted by afternoon downpours. November is the wettest and windiest month, though surfers should look for cheap flights to Koh Samui at this time as the waves are at their largest.
When is the best time to book a flight to Koh Samui?
Between May and June is the optimal time to take flights to Koh Samui as there are fewer tourists and accommodation prices are lower. The weather is also at its best and the ocean is perfect for swimming, snorkelling and diving. For the cheapest flights to Koh Samui, search for flights a couple of months out from your dates of choice, and fly midweek if you can.
Which day is cheapest to fly to Koh Samui?
At the moment, Tuesday is the most economical day to take a flight to Koh Samui. Thursday is likely to be the most costly.
What time of day is cheapest to fly to Koh Samui?
Koh Samui flights can be made cheaper if you choose a flight in the afternoon. Booking a flight in the morning will likely mean higher prices.
How long is the flight to Koh Samui?
Flights From Sydney to Koh Samui – 12 hrs 30 mins
Flights From Melbourne to Koh Samui – 12 hrs 35 mins
Flights From Brisbane to Koh Samui – 11 hrs 45 mins
Flights From Perth to Koh Samui – 8 hrs 40 mins
Which airlines operate flights to Koh Samui?
Thai Airways is the national carrier and operates indirect flights to Koh Samui from Brisbane, Melbourne, Perth and Sydney via Bangkok. Along with Bangkok Airways, Thai Airways services 17 flights per day to the island. Other airlines that offer indirect flights to Koh Samui from Australia are Etihad Airways, Jetstar and Qantas.
How to get from the airport to the city centre?
Koh Samui Airport (USM) is located approximately 3 km north of Chaweng Beach, the main tourist town. The fifteen minute journey can be undertaken by airport shuttle bus, or private and shared minivans, which can seat up to six passengers. The transport counter in the arrivals area handles information and bookings. There are a few car rental companies in the arrivals area if you wish to hire a car for the duration of your stay.
