Cheap Flights from Seoul (SELA) to Koh Samui (USM)

Compare Seoul to Samui International flight deals

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

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Flight deals from Seoul to Samui International

Looking for a cheap last-minute deal or the best return flight from Seoul to Samui International Airport? If you want to travel next month, return fares start from $519. Find the lowest prices on one-way and return tickets right here.

Koh Samui.$496 per passenger.Departing Mon, 9 Nov, returning Tue, 17 Nov.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Mon, 9 Nov, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Tue, 17 Nov, arriving in Incheon International.Price includes taxes and charges.From $496, select.

Koh Samui.$497 per passenger.Departing Mon, 19 Oct, returning Tue, 27 Oct.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Mon, 19 Oct, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Tue, 27 Oct, arriving in Incheon International.Price includes taxes and charges.From $497, select.

Koh Samui.$516 per passenger.Departing Mon, 7 Sep, returning Sun, 13 Sep.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Mon, 7 Sep, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Sun, 13 Sep, arriving in Incheon International.Price includes taxes and charges.From $516, select.

Koh Samui.$516 per passenger.Departing Sun, 30 Aug, returning Tue, 8 Sep.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Sun, 30 Aug, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Tue, 8 Sep, arriving in Incheon International.Price includes taxes and charges.From $516, select.

Koh Samui.$519 per passenger.Departing Sun, 17 May, returning Thu, 21 May.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Sun, 17 May, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Thu, 21 May, arriving in Incheon International.Price includes taxes and charges.From $519, select.

Koh Samui.$520 per passenger.Departing Sun, 7 Jun, returning Thu, 11 Jun.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Sun, 7 Jun, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Thu, 11 Jun, arriving in Incheon International.Price includes taxes and charges.From $520, select.

Koh Samui.$539 per passenger.Departing Mon, 26 Oct, returning Mon, 2 Nov.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Mon, 26 Oct, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Mon, 2 Nov, arriving in Incheon International.Price includes taxes and charges.From $539, select.

Koh Samui.$539 per passenger.Departing Mon, 13 Apr, returning Mon, 20 Apr.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Mon, 13 Apr, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Mon, 20 Apr, arriving in Incheon International.Price includes taxes and charges.From $539, select.

Koh Samui.$554 per passenger.Departing Mon, 18 Jan, returning Sun, 24 Jan.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Mon, 18 Jan, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Sun, 24 Jan, arriving in Incheon International.Price includes taxes and charges.From $554, select.

Koh Samui.$555 per passenger.Departing Sun, 19 Jul, returning Sun, 26 Jul.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Sun, 19 Jul, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Sun, 26 Jul, arriving in Incheon International.Price includes taxes and charges.From $555, select.

Koh Samui.$577 per passenger.Departing Mon, 27 Apr, returning Wed, 6 May.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Mon, 27 Apr, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Wed, 6 May, arriving in Incheon International.Price includes taxes and charges.From $577, select.

Koh Samui.$597 per passenger.Departing Sun, 21 Feb, returning Sun, 28 Feb.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Sun, 21 Feb, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Sun, 28 Feb, arriving in Incheon International.Price includes taxes and charges.From $597, select.

Koh Samui.$597 per passenger.Departing Sun, 16 Aug, returning Sun, 23 Aug.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Sun, 16 Aug, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Sun, 23 Aug, arriving in Incheon International.Price includes taxes and charges.From $597, select.

Koh Samui.$617 per passenger.Departing Mon, 29 Jun, returning Sat, 4 Jul.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Mon, 29 Jun, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Sat, 4 Jul, arriving in Incheon International.Price includes taxes and charges.From $617, select.

Koh Samui.$620 per passenger.Departing Sun, 31 May, returning Fri, 5 Jun.Return flight with Scoot.Outbound indirect flight with Scoot, departs from Incheon International on Sun, 31 May, arriving in Samui International.Inbound indirect flight with Scoot, departs from Samui International on Fri, 5 Jun, arriving in Incheon International.Price includes taxes and charges.From $620, select.

Koh Samui.$632 per passenger.Departing Tue, 2 Mar, returning Thu, 11 Mar.Return flight with Singapore Airlines.Outbound indirect flight with Singapore Airlines, departs from Incheon International on Tue, 2 Mar, arriving in Samui International.Inbound indirect flight with Singapore Airlines, departs from Samui International on Thu, 11 Mar, arriving in Incheon International.Price includes taxes and charges.From $632, select.

Find the cheapest month to fly from Seoul to Samui International

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

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Seoul to Samui International: Alternative routes

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

Samui International

5km from central Koh Samui

ClosestCheapest

from $496

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Seoul to Koh Samui: Flight information

The things to know before you go.

Cheapest flight found	$229
Cheapest month to fly	July

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

How much are return flights from Seoul to Samui International?

The best price we found for a return flight from Seoul to Samui International is $496. 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.

Which airlines fly direct from Seoul to Samui International?

Currently, there are no airlines that fly direct from Seoul to Samui International. But we found flights with one stop from $496.

How many flights are there a week from Seoul to Samui International?

As of April 2026, there are no flights flying from Seoul to Samui International.

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

The cheapest month to fly from Seoul to Samui International is usually November.

Which upcoming date is cheapest to fly from Seoul to Samui International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Samui International Airport on Monday, 9 November 2026.

Can I get a direct flight from Seoul to Samui International Airport?

No airlines currently offer direct flights between Seoul and Samui International Airport. Most routes have one or more stops.

How can I find the best flight deal to Samui International?

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.

When is the best time to book flights to Koh Samui?

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.

Which is the cheapest airline to fly from Seoul to Samui International with?

The cheapest airline that flies to Samui International is Scoot .

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

The timezone in Koh Samui is UTC+7, which is two hours behind Seoul. Ko Samui International Airport is located in Koh Samui.
Leave enough time to get on your flight from Seoul to USM. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.
You can expect bigger queues in popular months such as February and other peak seasons. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.

Airports in Seoul

Seoul Incheon International Airport (ICN)

We make it easy to book cheap flights from Seoul to USM with a stopover. To explore all the options departing from Seoul Incheon International Airport (ICN), deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Popular stopovers between ICN and USM include:
- Bangkok Suvarnabhumi International Airport (BKK)
- Singapore Changi Airport (SIN)
- Hong Kong International Airport (HKG)
ICN is around 48 kilometres from central Seoul. If you're ride-sharing, driving or catching a taxi from the centre, it'll take you 1 hour 5 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be around 50 minutes.
Searching for a comfortable hotel near Seoul Incheon International Airport? If you've booked an early flight from Seoul to Ko Samui International Airport, these stays will put you moments from your departure lounge:
When it comes to the on-time performance of Seoul Incheon International Airport, 55% of flights arrive within the scheduled time frame.

Seoul Gimpo International Airport (GMP)

GMP is about 16 kilometres from central Seoul. It'll take 30 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 35 minutes.
Want to treat yourself to an extra night away before catching your Seoul to USM flight? Check in to a hotel near Seoul Gimpo International Airport before your break officially starts. These stays are expecting you:
76% of all departures from Seoul Gimpo International Airport make it to their destination as expected.

About Ko Samui International Airport (USM)

The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Seoul to Ko Samui International Airport. Stay at one of these accommodation options near USM instead:
Pick up a Ko Samui International Airport rental car and explore Koh Samui and beyond with your own wheels. Asap car hire, Hertz and Drive Car Hire are top outlets you can book with here.
To get the lowest price, reserve your vehicle around four weeks in advance of your Seoul to Ko Samui International Airport flight.

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

Central Koh Samui is around 11 kilometres from Ko Samui International Airport and takes about 20 minutes to reach by car. See what your options are for getting into town, whether that's with a car hire, taxi or ride-share.
If you're taking public transport, expect a journey time of about 30 minutes.

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

Right now, $229 is the best price we've found for a one-way ticket from Seoul to Ko Samui International Airport. The cheapest price for a return flight is $496. Remember fares can change due to availability at the time of booking.
To pick up cheap flights from Seoul to USM, book ahead. Airlines typically offer lower prices when flights first go on sale.
The 'Whole month' search tool shows you the cheapest Seoul to Ko Samui International Airport tickets across the month. It's an easy way to find a bargain if your dates are flexible.
There's no need to check every day to find out if prices have dropped when you create a Price Alert. We'll let you know the moment there's a better deal on plane tickets from Seoul to USM.
Filters make it easier to save some cash on your flight from Seoul to Ko Samui International Airport. Pick the airlines, flight times and stops that match your plans. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

Explore more of Thailand

Nakhon Si Thammarat is just one of the many places in Thailand waiting to be explored once you've taken in the sights of Koh Samui. Around 129 kilometres away to the south, top sights here include Wat Phra Phrom, Wat Pho Sadet and Wat Yai Chai Mongkol.
Phuket is another favourite destination in Thailand and is around 257 kilometres southwest of Koh Samui. No journey is complete without visiting V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach.