Trip.com
>
Flights
>
Flights to Thailand
>
Flights to Surat Thani Province
>
Flights to Koh Samui
>
Flights from Ulsan to Koh Samui

Cheap flight deals from Ulsan to Koh Samui

Find the cheapest flights from Ulsan to Koh Samui within the next three months. Book one-way flights from AED 1,375 or round-trip tickets from AED 1,982.

  • Round-trip
  • One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Ulsan to Koh Samui

The distance between Ulsan and Koh Samui is about 4,142.57 km. The most popular month to Koh Samui is January. The off-season for travel is March.

Cheapest one-way flight price AED 1,376
Cheapest return ticket price AED 1,983
Off-season for travel March
Peak season for travel January
Flight distance 4,142.57 km

When is the cheapest time to fly from Ulsan to Koh Samui?

The best time to book the cheapest flights from Ulsan to Koh Samui is between Jul 13 and Jul 20. One-way ticket prices start at AED 1,375 according to our flight calendar.

Cheapest flights
From price
Search

  • Jul

    29 6
  • 6 13
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Ulsan (USN) to Koh Samui (USM) the cheapest?

    Airlines adjust prices for flights from Ulsan to Koh Samui based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Ulsan (USN) to Koh Samui (USM) cost?

    According to Trip.com's data, the lowest price is around AED 2,309.

  • How many airports are there in Koh Samui (USM)?

    There are 1 airport(s) near Koh Samui (USM): Samui Airport.

How to find a cheap flight from Ulsan to Koh Samui

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ulsan to Koh Samui. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Ulsan to Koh Samui ticket.
Tap "Date" on flight search bar to get the calender for Ulsan to Koh Samui airfare over next 6 months in 2025.
2
Compare cheap Ulsan to Koh Samui flight deals from over hundreds of airlines.
Compare prices from over 500 airlines with our powerful search and find the cheapest flight tickets from Ulsan to Koh Samui.
3
Set up a Price Alert
By setting up a Price Alert for your Ulsan to Koh Samui route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Ulsan to Koh Samui flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Ulsan to Koh Samui to get exclusive deals for you.

More Travel Options

  • Top Routes from Ulsan
  • Top Routes to Koh Samui
  • Trending Airlines