Cheap Flights from Seoul to Samui International

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 Rs144,807. Find the lowest prices on one-way and return tickets right here.

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.

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.

Seoul to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundRs48,508
Cheapest month to flyNovember

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

The best price we found for a return flight from Seoul to Samui International is Rs98,581. 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.
Currently, there are no airlines that fly direct from Seoul to Samui International. But we found flights with one stop from Rs98,581.
As of June 2026, there are no flights flying from Seoul to Samui International.
The cheapest month to fly from Seoul to Samui International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Samui International Airport on Sunday, 6 September 2026.
No airlines currently offer direct flights between Seoul and Samui International Airport. Most routes have one or more stops.
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 Scoot .

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

  • Koh Samui is two hours behind Seoul. Ko Samui International Airport is located in Koh Samui, which runs on the UTC+7 timezone.

  • Your flight from Seoul to USM won't wait if you're running late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • During popular months like January, it's a good idea to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead for international flights when you travel during high season in general.

Airports in Seoul

Seoul Incheon International Airport (ICN)

  • Think about adding a stopover to find cheap flights from Seoul to USM. Just deselect 'Direct flights only' when browsing departures from Seoul Incheon International Airport (ICN). Slip in a stop (and skip the high fares) by flying through one of these airports:

    • Bangkok Suvarnabhumi International Airport (BKK)

    • Singapore Changi Airport (SIN)

    • Hong Kong International Airport (HKG)

  • ICN is about 48 kilometres from central Seoul. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 1 hour 5 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 50 minutes.

  • In search of a comfortable hotel close to Seoul Incheon International Airport? If you've booked an early flight from Seoul to Ko Samui International Airport, these accommodation options will put you just around the corner from the terminal:

  • Of the departures from Seoul Incheon International Airport, 74% land on schedule at their destination.

Seoul Gimpo International Airport (GMP)

  • GMP is about 16 kilometres from central Seoul. It'll take you 30 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 35 minutes.

  • Flying off with the first light? Think about checking in to one of these accommodation options near Seoul Gimpo International Airport the day before your Seoul to USM flight:

  • The majority of flights that leave Seoul Gimpo International Airport get to their destination as expected. It achieves a consistent on-time performance rate of 80%.

About Ko Samui International Airport (USM)

  • If you're coming in on a late flight from Seoul to Ko Samui International Airport, few things beat the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and snoozing not long after at one of these hotels near USM:

  • Booking your vehicle around four weeks in advance of your Seoul to Ko Samui International Airport flight can help you secure the lowest rate.

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

  • Ko Samui International Airport is around 11 kilometres from the centre of Koh Samui. It takes around 20 minutes or so to get to the city by car.

  • It'll take around 30 minutes if you're travelling by public transport.

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

  • The lowest price we've found for a one-way ticket from Seoul to Ko Samui International Airport is Rs48,508. For a return flight on this route, the best price is Rs98,581. Depending on when you book and the availability, these fares could change.

  • Don't leave things to the last moment. You're more likely to find cheap flights from Seoul to USM if you book in advance. Airlines often have some fantastic early bird discounts.

  • If you have some flexibility with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price in each month when searching for your Seoul to Ko Samui International Airport ticket.

  • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you as soon as a better deal is available on plane tickets from Seoul to USM.

  • Lock in a cheap flight from Seoul to Ko Samui International Airport by using the search filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

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

  • March is the quietest month for flights from Seoul to Ko Samui International Airport (USM), while November is the busiest. Figure out the best time to visit Koh Samui based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book a Seoul to USM plane ticket departing in May if you want to visit the city during its warmest month. Expect temperatures in Koh Samui to range from 25ºC to 30ºC.

  • Search for cheap tickets from Seoul to Ko Samui International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 23ºC and 28ºC.

Explore more of Thailand

  • Koh Samui will leave a lasting impression, but there are so many other parts of Thailand you'll want to see. Around 129 kilometres south of Koh Samui, a visit to Nakhon Si Thammarat will keep you on the move. Start with popular sights like Wat Phra Phrom, Wat Pho Sadet and Wat Yai Chai Mongkol.

  • Phuket is another standout destination in Thailand and is around 257 kilometres southwest of Koh Samui. No trip is complete without visiting V.MarineTour- Phi Phi Islands Day Trip - Private Boat Charters, Sunrise Beach and Paradise Beach.

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