Cheap Flights from Samui International to Seoul

Travellers and cabin class

Compare Samui International to Seoul flight deals

Find the cheapest month or even day of the year to fly to Seoul

Book the best Seoul fare with no extra fees

Flight deals from Samui International to Seoul

Looking for a cheap last-minute deal or the best return flight from Samui International to Seoul? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Samui International to Seoul

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

Alternative Samui International to Seoul routes

Looking for the cheapest, fastest or easiest route from Samui International to Seoul? You could fly into the following airports instead.

Koh Samui to Seoul: Flight information

The things to know before you go.
Cheapest flight found396 €
Cheapest month to flyMay

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

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from Samui International to Seoul is 396 €. 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 Samui International to Seoul. But we found flights with one or more stops from 396 €.
As of March 2025, there are no flights flying from Samui International to Seoul.
The cheapest month to fly from Samui International to Seoul is usually March 2025.
If you're flying from Samui International Airport, the cheapest airport near Seoul is Incheon International – which is 47.8 km away from the centre of Seoul. We've found flights into this airport from 396 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Samui International Airport to Seoul on Thursday, 15 May 2025.
No airlines currently offer direct flights between Samui International Airport and Seoul. 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 Seoul 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 Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 3°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
Currently, Bangkok Airways offers the cheapest flight tickets to Seoul.

Flying from Koh Samui Airport (USM) to Seoul: what you need to know

  • The timezone in Seoul is UTC+9. The city is 2 hours ahead of Thailand, where Koh Samui Airport is located.

  • To ensure you catch your flight from USM to Seoul, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the standard rule.

  • Travelling during a peak time like August? Major public holidays and other popular periods can lead to longer queues and delays at security. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.

  • If you have a passport from Thailand, you'll need an ETA to enter South Korea. This applies when booking a cheap ticket from Koh Samui Airport to Seoul for tourism purposes. Requirements may be different if you're travelling for business or other reasons. Always check the visa rules before you book and certainly before you fly.

  • Have an early flight from Koh Samui Airport to Seoul? Avoid rushing to the airport (and catch some extra z's) by choosing one of these hotels close to USM:

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

  • 198 € is the lowest price for a one-way ticket from Koh Samui Airport to Seoul. Return flights start at 396 €. These fares can change based on demand and availability.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from USM to Seoul if you book early. Airlines often have some amazing early bird rates.

  • Finding cheap tickets from Koh Samui Airport to Seoul is more likely if you're flexible with your travel plans. Try using the 'Whole month' search tool to see the best prices throughout the month and snap up a great deal.

  • Set up a Price Alert for cheap tickets from USM to Seoul. There's no need to check back in every day to find out if prices have dropped. We'll update you the moment there's a change in price.

  • Tailor your travel plans with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Koh Samui Airport to Seoul.

Airports in Seoul

Incheon International Airport (ICN)

  • Central Seoul is approximately 48 kilometres from Incheon International Airport (ICN). Travel times by cab or car rental will vary depending on time of day, so do a little research ahead of time.

  • Getting to the centre on public transport takes around 1 hour and 44 minutes.

  • If you have a late flight from Koh Samui Airport to Seoul, few things beat the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and sleeping soon after at one of these accommodation options near ICN:

Gimpo International Airport (GMP)

  • If you're staying in Seoul's centre (or just want to explore straight away), the city is around 16 kilometres from Gimpo International Airport (GMP). See if you can spot any information kiosks to point you in the right direction after hopping off your flight from Koh Samui Airport to Seoul.

  • You can expect the journey to take approximately 1 hour and 3 minutes on public transport.

  • Hang the 'Do not disturb' sign on your door and rest at a hotel close to GMP. Here are a few options where you can put your feet up after your flight from USM to Seoul:

Best time to go to Seoul

  • July is the busiest month for flights from Koh Samui Airport to Seoul. To steer clear of the crowds, head for Seoul in April when things are quieter.

  • The warmest month in Seoul is August, with temperatures ranging between 19ºC and 32ºC. Book your flights from Koh Samui Airport to Seoul in this month if you enjoy this type of weather.

  • Look for cheap flights from USM to Seoul in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC and 4ºC on average.

More about Seoul

  • Start your Seoul trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Koh Samui Airport to Seoul, check out our selection of hotels including:

  • There are so many things to do and see in this city it can be hard to work out where to start. Gyeongbokgung Palace, Bukchon Hanok Village and N Seoul Tower are major attractions which should feature on any good Seoul itinerary.

Complete your Seoul trip with a car rental

  • Choose one of our car rentals in Seoul and explore the city on your own schedule. Easily compare rates in one go to find the ideal ride once you've booked your hotel and cheap flights from Koh Samui Airport to Seoul.

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