ICN - USM

฿7,284 Find Cheap Flights from Seoul Incheon Airport to Ko Samui – Compare and Save

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Everything you should know

Cheapest return flight
฿17,198
Typical prices: ฿17,142-฿24,419
Multiple Airlines
Sat 10/11Tue 20/11
ICN - USM • 2 stops
Cheapest one-way flight
฿7,284
Typical prices: ฿7,670-฿12,374
Scoot
Thu 8/2
ICN - USM • 1 stop
Direct flights
Not available
There are currently no direct flights between Incheon Intl Airport and Ko Samui. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
February
Cheapest • 33% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Singapore Changi (SIN)
Cheapest • Avg ฿18,489 (return)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 9h 22m (one-way)
Insights
Insights
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We hope you enjoy your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Incheon Intl to Ko Samui (ICN-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Incheon Intl to Ko Samui

Tue 10 Nov - Fri 20 Nov
Multiple Airlines Logo
07:25 - 07:10ICN  Incheon Intl-USM Ko Samui
25h 45m2 stops Kunming Changshui Bangkok Suvarnabhumi
Multiple Airlines Logo
07:00 - 11:55USM  Ko Samui-ICN Incheon Intl
26h 55m2 stops Bangkok Suvarnabhumi Shanghai Pu Dong
฿17,198Multiple Airlines
3+ days ago
Tue 19 Jan - Sun 24 Jan
Scoot Logo
22:55 - 18:55ICN  Incheon Intl-USM Ko Samui
22h 00m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi
Scoot Logo
08:55 - 10:10USM  Ko Samui-ICN Incheon Intl
23h 15m1 stop Singapore Changi
฿18,108Scoot
2 days ago
Fri 20 Nov - Fri 27 Nov
Scoot Logo
22:55 - 17:10ICN  Incheon Intl-USM Ko Samui
20h 15m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi
Scoot Logo
12:00 - 10:10USM  Ko Samui-ICN Incheon Intl
20h 10m1 stop Singapore Changi
฿18,243Scoot
23 hours ago
Mon 7 Dec - Sun 13 Dec
Scoot Logo
11:25 - 17:10ICN  Incheon Intl-USM Ko Samui
31h 45m1 stop Singapore Changi
Scoot Logo
18:05 - 21:40USM  Ko Samui-ICN Incheon Intl
25h 35m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl
฿18,310Scoot
2 days ago
Mon 15 Feb - Sun 21 Feb
Scoot Logo
11:25 - 08:00ICN  Incheon Intl-USM Ko Samui
22h 35m1 stop Singapore Changi
Scoot Logo
08:55 - 10:10USM  Ko Samui-ICN Incheon Intl
23h 15m1 stop Singapore Changi
฿18,344Scoot
2 days ago
Mon 15 Feb - Sun 21 Feb
Scoot Logo
11:25 - 08:00ICN  Incheon Intl-USM Ko Samui
22h 35m1 stop Singapore Changi
Scoot Logo
08:55 - 10:10USM  Ko Samui-ICN Incheon Intl
23h 15m1 stop Singapore Changi
฿18,378Scoot
1 day ago
Sat 21 Nov - Fri 27 Nov
Scoot Logo
11:25 - 17:10ICN  Incheon Intl-USM Ko Samui
31h 45m1 stop Singapore Changi
Scoot Logo
12:00 - 10:10USM  Ko Samui-ICN Incheon Intl
20h 10m1 stop Singapore Changi
฿18,412Scoot
22 hours ago
Mon 15 Feb - Sun 21 Feb
Scoot Logo
11:25 - 08:00ICN  Incheon Intl-USM Ko Samui
22h 35m1 stop Singapore Changi
Scoot Logo
08:55 - 10:10USM  Ko Samui-ICN Incheon Intl
23h 15m1 stop Singapore Changi
฿18,546Scoot
3+ days ago
Mon 15 Feb - Sun 21 Feb
Scoot Logo
11:25 - 08:00ICN  Incheon Intl-USM Ko Samui
22h 35m1 stop Singapore Changi
Scoot Logo
08:55 - 10:10USM  Ko Samui-ICN Incheon Intl
23h 15m1 stop Singapore Changi
฿18,580Scoot
3+ days ago
Mon 7 Dec - Sun 13 Dec
Scoot Logo
22:55 - 18:55ICN  Incheon Intl-USM Ko Samui
22h 00m2 stops Taipei City Taiwan Taoyuan Intl Singapore Changi
Scoot Logo
18:05 - 21:40USM  Ko Samui-ICN Incheon Intl
25h 35m2 stops Singapore Changi Taipei City Taiwan Taoyuan Intl
฿19,120Scoot
2 days ago
Booking Insights

Price, demand, and travel trends for Incheon Intl Airport to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Incheon Intl Airport to Ko Samui?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Incheon Intl Airport to Ko Samui. It's 19% cheaper than the average day, while Wednesday is the most expensive, with prices 34% higher.

What is the cheapest month to fly from Incheon Intl Airport to Ko Samui?

•February is the cheapest month to fly from Incheon Intl Airport to Ko Samui at ฿14,163 return.
•January (฿33,889) and April (฿23,368) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 139% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Incheon Intl Airport to Ko Samui flights

Low season

December

Cheapest flight

฿7,284
Beat the crowds with an average 80% drop in travellers.
The most popular month to fly with an average 94% increase in travellers.
One-way flight from Incheon Intl Airport to Ko Samui

When to book flights from Incheon Intl to Ko Samui

Are your dates flexible? Find out the best times to travel from Incheon Intl to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Incheon Intl Airport to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • How long is a flight from Incheon Intl Airport to Ko Samui?

    A direct flight from Incheon Intl Airport to Ko Samui takes 00m, covering 6,556 km.

  • Do I need a passport to fly from Incheon Intl Airport to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Incheon Intl Airport to Ko Samui flight?

    Return flights from Incheon Intl Airport to Ko Samui range from ฿17,142 to ฿24,419, with an average of ฿20,984 over the past 12 months. Anything below ฿17,142 counts as a good deal.

  • Have flight prices from Incheon Intl Airport to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿17,198 to ฿96,594. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Incheon Intl Airport to Ko Samui looking right now?

    One-way fares from Incheon Intl Airport to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿8,882, which is 8% below the typical average for this route.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿971 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Thai Rent

  • Which airports can I use when flying from Incheon Intl Airport to Ko Samui?

    Flights from Incheon Intl Airport to Ko Samui usually depart from Incheon Intl (ICN) and arrive at Ko Samui (USM).

  • Which airports do connecting flights from Incheon Intl Airport to Ko Samui pass through?

    Connecting flights from Incheon Intl Airport to Ko Samui most commonly pass through:

    • Bangkok Suvarnabhumi (BKK) – 60% of one-stop connections
    • Singapore Changi (SIN) – 40% of one-stop connections

  • Can I save money by using flexible dates for flights from Incheon Intl Airport to Ko Samui?

    Yes. Flexible dates can save you up to 40% on flights from Incheon Intl Airport to Ko Samui. Saturday is the cheapest departure day at ฿17,164 return on average, while Wednesday is the most expensive at ฿28,292, a difference of ฿11,128.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from Incheon Intl Airport to Ko Samui?

    Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 9h 22m, compared to 12h 56m via Singapore Changi (SIN).

  • What is the time difference between Incheon Intl Airport and Ko Samui?

    Ko Samui is 2 hours behind Incheon Intl Airport (Indochina Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

Your guide to booking Incheon Intl Airport to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Wednesday. On this route, Saturday flights average ฿17,164, which is about ฿11,128 less than Wednesday fares (39% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Incheon Intl Airport to Ko Samui trip for February. Fares historically average ฿14,163 return in that month – typically ฿19,727 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

    • Ozo Chaweng Samui - Sha Extra Plus
    • Melia Koh Samui
    • Royal Muang Samui Villas

More options for your flight from Incheon Intl to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui