Cheap Flights from Bangkok to Samui International

Compare Bangkok to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

Book the best Samui International fare with no extra fees

Flight deals from Bangkok to Samui International

Looking for a cheap last-minute deal or the best return flight from Bangkok to Samui International Airport? If you want to travel next month, return fares start from ر.ق.‏ 779. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Bangkok to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok to Samui International flights are currently cheapest in September.

Direct flights from Bangkok to Samui International

Bangkok to Samui International: Alternative routes

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

Bangkok to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 271
Cheapest month to flySeptember
Average flight time1 hr, 22 mins
Most popular airlineBangkok Airways
Average flights per week1,787

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

The best price we found for a return flight from Bangkok to Samui International is ر.ق.‏ 577. 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.
1 hour and 22 minutes is the average flight time from Bangkok to Samui International.
Bangkok Airways, Thai Airways and Etihad Airways fly direct from Bangkok to Samui International.
As of June 2026, there are 1,787 flights per week flying from Bangkok to Samui International.
The cheapest month to fly from Bangkok to Samui International is usually October.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Samui International Airport on Friday, 2 October 2026.
Yes – the average flight time is 1 hour and 22 minutes.
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.
The cheapest airline that flies to Samui International is Bangkok Airways .

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

  • Your travel plans take shape at one of Bangkok's main airports, Bangkok Suvarnabhumi International Airport (BKK) or Bangkok Don Mueang International Airport (DMK). Check out your options for booking a flight from Bangkok to Ko Samui International Airport (USM) setting off from either of these bases.

  • Around 1 hour 15 minutes is how long you can expect to be in the air on a direct Bangkok to Ko Samui International Airport flight.

  • Ko Samui International Airport is located in Koh Samui. The city's timezone is UTC+7 — the same as Bangkok.

  • With 187 direct flights a week between the two airports, Bangkok Suvarnabhumi International Airport (BKK) to Ko Samui International Airport (USM) is the busiest route. Bangkok Airways operates the earliest flight at 5:50am. If you're eager to get more out of your day before flying, the last departure from BKK to USM is with Bangkok Airways at 8:05pm.

  • Get to the airport on time so you don't miss your flight from Bangkok to USM. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Travelling over a peak time such as February? Public holidays and other high seasons can mean longer queues and delays at security. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

  • Bangkok Suvarnabhumi International Airport (BKK) provides a hassle-free way to reach your destination. Nonstop flights from Bangkok to Ko Samui International Airport (USM) take off from this terminal.

  • You can lock in a direct flight from Bangkok to Ko Samui International Airport with Bangkok Airways. This popular carrier offers services from BKK.

  • Bangkok Airways is the most frequently booked airline offering flights from BKK to USM.

  • The most punctual carrier on this route is Bangkok Airways. Its services land as planned 72.16% of the time.

  • BKK is around 31 kilometres from central Bangkok. If you're catching a taxi, driving or ride-sharing from the centre, it'll take you 35 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the journey time to be around 35 minutes.

  • Want a hassle-free start to your trip? Stay near Bangkok Suvarnabhumi International Airport. Whether you're catching an early flight from Bangkok to Ko Samui International Airport or aren't a fan of being rushed, these hotels have you covered:

  • Of the flights that depart from Bangkok Suvarnabhumi International Airport, 73% land on time at their destination.

Bangkok Don Mueang International Airport (DMK)

  • Think about kicking off your trip from Bangkok Don Mueang International Airport (DMK). You can book a direct Bangkok to Ko Samui International Airport (USM) plane ticket with departures from here.

  • Bangkok Airways operates direct flights from Bangkok to USM departing from DMK. Book your favourite seat and get to your destination in a single journey.

  • Bangkok Airways ranks number one in bookings on the DMK to USM route.

  • Choose Bangkok Airways if punctuality is a priority. Its flights between Bangkok Don Mueang International Airport and Ko Samui International Airport arrive as scheduled 91.8% of the time.

  • DMK is about 24 kilometres from central Bangkok. It'll take you 35 minutes or so to get to the airport by car from the city centre. Public transport takes roughly 1 hour 5 minutes.

  • Got an early start? Think about checking in to one of these hotels near Bangkok Don Mueang International Airport the day before your Bangkok to USM flight:

  • Bangkok Don Mueang International Airport has an on-time performance of 60%. This figure highlights how often flights that depart from this airport land at their destination on time.

About Ko Samui International Airport (USM)

  • Consider staying in a hotel close to USM if you're catching a late flight from Bangkok to Ko Samui International Airport. Pick one of these options and say goodnight sooner:

  • Lock in the best rate by reserving your vehicle around four weeks ahead of your Bangkok to Ko Samui International Airport flight.

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

  • From Ko Samui International Airport, central Koh Samui is around 11 kilometres away. It takes about 20 minutes to get to the city centre by car.

  • It takes roughly 30 minutes to get there using public transport.

How to find the cheapest flights from Bangkok to Ko Samui International Airport (USM)

  • The lowest price we've found for a one-way ticket from Bangkok to Ko Samui International Airport is ر.ق.‏ 271. For a return flight on this route, the best price is ر.ق.‏ 577. Depending on when you want to go and the availability, these fares could change.

  • To pick up cheap flights from Bangkok to USM, book early. Airlines typically offer the most competitive fares when tickets first go on sale.

  • The 'Whole month' search tool shows you the cheapest Bangkok to Ko Samui International Airport tickets across every month. It's an easy way to find a bargain if your dates are flexible.

  • There's no need to check back in every day to find out if prices have dropped when you create a Price Alert. We'll notify you when a lower fare pops up on plane tickets from Bangkok to USM.

  • Tailor your flights using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Bangkok to Ko Samui International Airport.

The best time to fly from Bangkok to Ko Samui International Airport (USM)

  • November is when most people book flights from Bangkok to Ko Samui International Airport (USM). Visit Koh Samui in March for a quieter experience.

  • Book a Bangkok to USM plane ticket departing in May if you want to explore the city during its warmest month. You can expect temperatures in Koh Samui to range from 25ºC to 30ºC.

  • January has temperatures of between 23ºC and 28ºC. Look for cheap tickets from Bangkok to Ko Samui International Airport around that time if you want to travel in cooler conditions.

Explore more of Thailand

  • Koh Samui is always a good idea, but there are so many other corners of Thailand just waiting to be discovered. Around 129 kilometres south of Koh Samui, a trip to Nakhon Si Thammarat will fill your itinerary to the brim. Don't miss top attractions like Wat Phra Phrom, Wat Pho Sadet and Wat Yai Chai Mongkol.

  • If you're looking to explore another corner of Thailand, consider Phuket, about 257 kilometres southwest of Koh Samui. V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach are key reasons to visit.

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