Book cheap flights to Ko Samui

Explore the best deals

Discover the cheapest flights to Ko Samui
Filter by
The prices shown on this page were available within the last 20 days for the specified periods and should not be considered the final price offered. Please note that availability and prices are subject to change.

Popular flight routes to Ko Samui

Melbourne
Flights from Melbourneto Ko Samui
535$
517$
Prime price per passenger
Sydney
Flights from Sydneyto Ko Samui
419$
405$
Prime price per passenger
Brisbane
Flights from Brisbaneto Ko Samui
695$
669$
Prime price per passenger
Perth
Flights from Perthto Ko Samui
1250$
1193$
Prime price per passenger
Bangkok
Flights from Bangkokto Ko Samui
-13 %
119$
104$
Prime price per passenger
Phuket
Flights from Phuketto Ko Samui
198$
193$
Prime price per passenger

How long’s the flight to Ko Samui?

If you’re looking to fly to Ko Samui, we at Opodo have checked the most popular routes to help you plan your trip. From Perth, the flight takes roughly 7h 6m; from Adelaide, around 8h 45m; and from Melbourne, about 9h 59m.
Flight Time (in hours)
PerthAdelaideMelbourneBrisbaneSydney
0h 5h 10h 15h
7h 6m
8h 45m
9h 59m
10h 10m
10h 24m

How much does a flight to Ko Samui cost?

At Opodo you can find flights from Perth to Ko Samui starting from $262, with an average price of $611. If you depart from other cities such as Sydney, you can find tickets from $349, and from Melbourne starting from $350, according to data from the last 72 hours.
Filter by
PerthSydneyMelbourneBrisbaneRockhampton, QLD
$611
$1,065
$1,112
$1,351
$818
PerthCheapest
Cheapest Price: $262
Cheapest
Average

Find cheap flights to Ko Samui

Planning your flight to Koh Samui means preparing for an unforgettable journey to a premier island destination.

Koh Samui emerges from the Gulf of Thailand as one of Thailand’s best-loved islands, where dense tropical rainforests meet palm-fringed coastlines. One of Thailand’s largest islands, Koh Samui provides a sophisticated infrastructure for travellers seeking a blend of modern comfort and raw natural beauty.

The landscape is punctuated by significant cultural landmarks such as the Wat Phra Yai, home to the towering Big Buddha statue, and the intricate Wat Plai Laem temple complex. Visitors often explore the distinctive rock formations of Hin Ta and Hin Yai or wander through the historic Fisherman’s Village in Bophut, which preserves the architectural character of the island’s former trading days.

The island’s appeal lies in its diverse environments, ranging from the lively shores of Chaweng Beach to the tranquil retreats of Maenam. This destination balances high-end leisure with rugged exploration, offering a setting defined by its turquoise waters and granite boulders.

When to visit Ko Samui: peak seasons and quiet spells

Koh Samui’s sun-drenched peak season

From late December through April, Koh Samui experiences its most lively period, defined by endless blue skies and calm, turquoise waters. As travellers descend into the open-air Samui International Airport, they are immediately met by a tropical breeze and an island operating at its most energetic pace. The weather remains consistently dry and warm, typically hovering around 30°C, creating the perfect conditions for sailing the Gulf of Thailand or exploring the nearby Ang Thong National Marine Park.

The social atmosphere during these months is electric, with the island’s famous white-sand beaches, such as Chaweng Beach and Lamai Beach, serving as the central hubs for daily life. Cultural celebrations like Songkran in April transform the streets into joyful water festivals, marking the traditional new year with a high-spirited energy that involves the entire community. This season offers the quintessential island identity, where the days are long, the visibility for diving is at its peak, and the outdoor lifestyle is fully embraced by locals and visitors alike.

The lush and quiet rainy season

As the calendar turns towards October and November, Koh Samui transitions into its monsoon phase, bringing a dramatic shift in both scenery and pace. The landscape turns a vivid, deep green as tropical showers revitalise the coconut groves and rainforests that carpet the island’s interior. While the rain often arrives in short, powerful bursts rather than constant downpours, the humidity rises and the air feels heavy and fragrant, offering a more introspective and tranquil version of island life.

Arrivals during this period find a much quieter destination, where the usual bustle is replaced by a slow, rhythmic atmosphere. The rougher seas make for spectacular views along the rocky coastlines of Bophut, while the interior waterfalls, such as Na Muang, reach their most impressive flow. This season is defined by a sense of seclusion and natural beauty, providing a stark contrast to the high-energy dry-season months of late December to April and allowing for a deeper appreciation of the island’s rugged, tropical geography.

Transport to and from Ko Samui Airport

Arrival at Koh Samui Airport and onward travel

Touching down on the edge of the Gulf of Thailand, travellers are greeted by an open-air terminal that feels more like a tropical resort than a major transit hub. This unique gateway manages all commercial traffic for the island, ensuring that every flight to Koh Samui concludes with a scenic descent over turquoise waters and lush palm groves.

Samui International Airport (USM)

Located on the northeastern corner of the island, Samui International Airport (USM) sits approximately 2 km from the main tourist hub of Chaweng and roughly 6 km from the Bophut district. Owned and operated by Bangkok Airways, the facility is renowned for its environmentally conscious, thatched-roof design and open-sided terminals that allow for natural ventilation. It functions primarily as a high-end regional hub, handling frequent flights to Koh Samui from Bangkok, Singapore, and Hong Kong, as well as several domestic routes across Thailand.

Upon exiting the arrivals area, travellers can easily access the rest of the island via several pre-paid transport desks. Private taxis provide the most direct route to accommodation, typically reaching Chaweng in about 10–15 minutes and the Maenam area in roughly 20–25 minutes. For those looking for a more communal option, shared shuttle minivans operate regularly, dropping passengers off at major hotels in Lamai and Bophut. While there are no formal public bus or rail systems on the island, many visitors also utilise the Seatran or Lomprayah ferry piers, located about 20–30 minutes away by car, to continue their journey to the nearby islands of Koh Phangan or Koh Tao.

Top things to do in Ko Samui

  • Wat Phra Yai serves as a profound introduction to the spiritual identity of the island, where the 12-metre tall golden statue of the Big Buddha sits majestically against the horizon. The site offers a serene atmosphere where the rhythmic sound of prayer bells mingles with panoramic views of the turquoise waters.
  • Hin Ta and Hin Yai, known as the Grandfather and Grandmother Rocks, are fascinating granite formations that have become legendary for their unusual shapes and the local folklore surrounding them. These natural sculptures provide a rugged contrast to the nearby soft sands, showcasing the playful and elemental side of the coastline.
  • Ang Thong National Marine Park is a stunning archipelago of 42 islands featuring limestone cliffs, hidden lagoons, and thick mangroves that feel worlds away from modern life. Navigating through these emerald waters reveals a prehistoric landscape where the biodiversity of the Gulf of Thailand is preserved in its most pristine form.
  • Fisherman’s Village in Bophut captures the historical essence of the island, where rustic wooden shophouses have been transformed into a lively cultural hub. The area maintains a nostalgic charm, offering a rhythmic blend of local heritage and contemporary social life that comes alive as the sun sets.
  • Wat Plai Laem showcases intricate Buddhist and Chinese craftsmanship, most notably through the towering 18-armed statue of Guanyin. Surrounded by a lake teeming with fish, the temple complex is a colourful reflection of the diverse religious influences that have shaped the community over centuries.
  • Na Muang Waterfalls offer a cool, refreshing retreat into the heart of the island’s lush jungle, where two distinct cascades tumble over purple-tinted rock faces. The surrounding trails provide an immersive sensory experience, filled with the sounds of rushing water and the dense greenery of the tropical canopy.

Plan your trip to Ko Samui now

Your passage to Koh Samui is best approached by leaving your departure dates a touch open and reserving early, which tends to yield the best connections. Consider joining Opodo Prime to access additional member benefits on your flights, ensuring that every step of your travel planning is as smooth as the descent into the tropics. By using the search tools on Opodo, you can easily scan across carriers and timetables until you land on the pairing that perfectly aligns with your island itinerary.

FAQ's about Ko Samui

How can I find cheap flights to Ko Samui at Opodo?
At Opodo you can find flights from $104 to Ko Samui. Our offers are the result of a combination of different technologies, machine learning algorithms and real searches form our customers in our platform, so you can get the options that better suits your needs when flying to Ko Samui.
When's the best time to go to Ko Samui?
We checked our customers' flight searches, and the winner of best time to fly to Ko Samui is... April.
The next best month to travel to Ko Samui is March.
And let's not forget February, the third top choice for when to go to Ko Samui.
However if you prefer things on the less busy side, we can also tell you (quietly) that the least popular month for flights to Ko Samui is November.
What are the cheapest airlines flying to Ko Samui?

Looking at the prices of our customers' bookings from Australia to Ko Samui, your best bet for cheap flights is:

  • Air Asia: average one-way price of $875.78 , with Sydney to Ko Samui an average of $1256 and Melbourne from $1269.
  • Scoot (one-way average: $1,044.92) : this includes an average price from Melbourne to Ko Samui of $1080 and also flights from Cairns costing $1411.
  • Air Asia Indonesia: average cost for one-way was $1,182.20 , with Melbourne to Ko Samui flights costing an average of $1256 and the price tag from Brisbane being $1606.
Which airlines fly to Ko Samui from Australia?

Airlines flying direct from Australia to Ko Samui include:

  • Bangkok Airways, which flies from Bangkok and Phuket to Ko Samui plus from Singapore.
  • Scoot, which has flights from Singapore and Phuket as well as Krabi to Ko Samui.

Indirect flights from the Australia to Ko Samui include:

  • Scoot, which flies from Melbourne and Sydney and also from Perth.
  • Bangkok Airways, with flights from Canberra and Brisbane to Ko Samui plus Darwin.
  • Qantas Airways, which has flights from Melbourne and Sydney as well as from Hong Kong to Ko Samui.
What is the weather like in Ko Samui?
If you're looking for summer vibes, the best time to travel to Ko Samui is in May, June and April, when the average temperature reaches 32º, while March, February and April are the 3 sunniest months of the year, with an average of 23 hours. If you prefer colder temperatures, however, make sure you visit Ko Samui during the months of December, January and November to experience an average of 24º. For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during November, October and December, when the average precipitation in Ko Samui is 330mm, while the months of February, April and March are drier, with an average of 71mm.

Plan your trip

Other popular routes to explorePopular CitiesPopular Flight Routes