658 € Return - Cheap flights to Samui International Airport

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Flight deals to Samui International

Looking for a cheap last-minute deal or the best return flight to Samui International Airport? If you want to travel to Samui International Airport next month, return fares start from 911 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest time to fly to Samui International

Flexible on travel dates? Find the cheapest month – or even day – to fly to Samui International.

Airports near Koh Samui

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

Frequently asked questions

Currently, there are no airlines that fly direct to Samui International. But we found flights with one or more stops from 658 €.
The cheapest month to fly to Samui International is usually September.
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.
No airlines currently offer direct flights between Ireland and Samui International Airport. Most routes have one or more stops.
The best price we found for a return flight to Samui International is 658 €. 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.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Samui International Airport is Tuesday, 1 September 2026.
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, Etihad Airways offers the cheapest flight tickets to Samui International.

Flying to Samui International

The things to know before you go.
Cheapest flight found658 €
Cheapest month to flySeptember

Discover Samui International

How to find cheap flights to Ko Samui International Airport (USM)

  • At the moment, 364 € is the cheapest price for a one-way flight to Ko Samui International Airport. Or you can book a round-trip plane ticket to USM for 658 €.

  • Stay on top of the best deals by setting up a Price Alert for tickets to USM. We'll do the monitoring for you, sending updates when fares drop.

  • Don't wait until the last moment. You're more likely to lock in the best price on tickets to Koh Samui, where Ko Samui International Airport is located, if you book early. Airlines usually offer some awesome early bird deals.

  • Select the 'Add nearby airports' filter and widen your search for cheap flights to Koh Samui. This will show you every airport around your departure and arrival points.

  • If you aren't in a rush to get to Koh Samui, think about taking a little detour. You could find cheaper plane tickets to Ko Samui International Airport by booking a flight with a stop.

Best time to go to Koh Samui

  • You can usually catch the cheapest flight to Koh Samui in May.

  • To find the cheapest month for flights to USM, use the 'Whole month' tool. If you have flexible travel dates, search for the green prices on the calendar — they highlight the lowest available fares.

  • If you'd like to experience Koh Samui at its busiest, book your flights to USM for November. Holidaying during high seasons typically means more things to do compared to other times.

  • March is the quietest time of year to visit if you want a more relaxed pace. You'll typically find cheaper prices on plane tickets to Koh Samui then.

  • Check the weather before you travel. May is the warmest time of year in Koh Samui, with averages of between 25ºC (77ºF) and 30ºC (86ºF).

  • Ranging from 23ºC (73ºF) to 28ºC (82ºF), January sees the lowest temperatures.

  • February gives you the best chance of clearer skies. With four days of rain on average, this is the driest month in Koh Samui.

  • The wettest time of year is October. Travel then and you can expect to get around 21 days of rainfall.

Travelling to Ko Samui International Airport (USM): What you need to know

  • Head straight to Koh Samui with Bangkok Airways or Scoot. These leading airlines operate direct flights to Ko Samui International Airport.

  • Consider booking your USM plane ticket with Bangkok Airways. It's the top performer for punctuality, with up to 65% of flights to this hub arriving on time.

  • Your flight will land in the UTC+7 timezone at USM.

  • Eager to get some sleep after your flight to USM? These hotels close to Ko Samui International Airport offer the perfect place to relax and unwind:

  • Whether you're transferring to another flight or flying home from Ko Samui International Airport, you're likely to arrive as planned. USM performs well on the punctuality front, with up to 83% of departing flights touching down on schedule.

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

  • USM is located about 11 kilometres from central Koh Samui.

  • You'll get to the centre in around 20 minutes if you're catching a taxi or a ride-share after your flight to USM.

  • Expect the trip to take roughly 30 minutes when using public transport.

  • Koh Samui comes with plenty of great places to check in. Here's a roundup of comfy hotels to explore before you go:

How to get to Surat Thani from Ko Samui International Airport (USM)

  • Off to the nearby city of Surat Thani? It's about 121 kilometres from USM. It'll take you around 3 hours 10 minutes to reach the centre in a taxi or ride-share.

  • Expect a journey time of 19 hours or so when making your way to Surat Thani on public transport.

Travelling from Ko Samui International Airport (USM) to Don Sak

  • If Don Sak is on your radar, it's around 48 kilometres from Ko Samui International Airport.

  • Going there by car will take you roughly 2 hours 20 minutes.

Explore more of Thailand

  • Nakhon Si Thammarat is another place that's too good to skip while you're in Thailand. You'll find it around 129 kilometres south of Koh Samui. Wat Phra Phrom, Wat Pho Sadet and Wat Yai Chai Mongkol stand out as key sights.

  • Roughly 257 kilometres southwest of Koh Samui, Phuket is worth working into your travels. Great reasons to visit include V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach. Phuket International Airport (HKT) is the easiest way to arrive here.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.