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Cheap flights from Incheon Intl Airport to Ko Samui from C$ 389

ICN — USM
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Incheon Intl to Ko Samui

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to Ko Samui

Thu 17/911:50 p.m. -
1 stop19h 30m
Wed 23/96:15 p.m. -
1 stop13h 35m
Deal found 16/9C$ 938
Wed 28/1011:15 p.m. -
1 stop19h 55m
Sun 1/1112:00 p.m. -
1 stop25h 40m
Deal found 20/9C$ 1,110
Wed 28/1011:30 a.m. -
1 stop25h 25m
Sun 1/117:45 p.m. -
1 stop12h 25m
Deal found 16/9C$ 1,155
Wed 28/1011:40 a.m. -
2 stops22h 05m
Sun 1/118:20 p.m. -
2 stops20h 25m
Deal found 17/9C$ 1,161
Sat 14/111:55 a.m. -
1 stop19h 40m
Sat 21/117:00 a.m. -
2 stops15h 40m
Deal found 18/9C$ 1,240

Find flight deals from Incheon Intl to Ko Samui

Round-trip from

C$ 1,053

One-way from

C$ 389

Popular in

February

Cheapest in

August

Average price

C$ 772
Singapore Airlines
  • Singapore Airlines
  • 2/3-9/3
  • 2 total stops
  • 42h 05m total
  • Incheon to Ko Samui
Search Deals
28/1-31/12
  • 28/1-31/12
  • 1 total stop
  • 21h 00m total
  • Incheon to Ko Samui
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (C$ 444 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 65 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Incheon Intl Airport to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Thu 28/1

11:45 a.m.-7:10 a.m.

2 stops21h 25m

Ko Samui

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 411

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Fri 29/1

6:40 a.m.-5:10 p.m.

2 stops36h 30m

Ko Samui

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 412

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Wed 28/10

11:15 p.m.-5:10 p.m.

1 stop19h 55m

Ko Samui

Sun 1/11

12:00 p.m.-3:40 p.m.

1 stop25h 40m

C$ 1,110

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Wed 28/10

11:30 a.m.-10:55 a.m.

1 stop25h 25m

Ko Samui

Sun 1/11

7:45 p.m.-10:10 a.m.

1 stop12h 25m

C$ 1,155

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Wed 28/10

11:40 a.m.-7:45 a.m.

2 stops22h 05m

Ko Samui

Sun 1/11

8:20 p.m.-6:45 p.m.

2 stops20h 25m

C$ 1,202

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Sat 14/11

1:55 a.m.-7:35 p.m.

1 stop19h 40m

Ko Samui

Sat 21/11

7:00 a.m.-12:40 a.m.

2 stops15h 40m

C$ 1,240

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Thu 3/12

1:55 a.m.-7:35 p.m.

1 stop19h 40m

Ko Samui

Mon 14/12

7:55 a.m.-12:40 a.m.

2 stops14h 45m

C$ 1,333

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Sat 10/10

1:55 a.m.-7:40 p.m.

1 stop19h 45m

Ko Samui

Sun 18/10

11:55 a.m.-12:40 p.m.

1 stop22h 45m

C$ 1,384

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Wed 21/10

1:55 a.m.-7:40 p.m.

1 stop19h 45m

Ko Samui

Wed 28/10

7:55 a.m.-12:40 a.m.

2 stops14h 45m

C$ 1,600
Quickest round-trip

IncheonKo Samui

ICN Incheon Intl - USM Ko Samui

ICNUSM

Incheon Intl

Sun 8/11

1:55 a.m.-7:50 p.m.

3 stops19h 55m

Ko Samui

Wed 31/12

12:00 a.m.-2:00 a.m.

Nonstop0h 00m

C$ 2,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/9

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Incheon Intl to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Incheon Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Incheon Intl Airport to Ko Samui

How much does it cost to fly round-trip from Incheon Intl Airport to Ko Samui?

Airfare is above average for this route at the moment.

Incheon Intl Airport to Ko Samui flights typically cost between C$ 668 and C$ 796 in March.
The cheapest round-trip price found within the last 5 days was C$ 1,053 on Singapore Airlines (2 Mar-9 Mar).

Related info for your journey

  • What airport do you fly into for flights to Ko Samui from Incheon Intl?

    If you book a flight to Ko Samui from Incheon Intl, you will be flying to Ko Samui, which is the city’s only airport. Ko Samui (USM) is located 3.3 km from the centre of Ko Samui. There are 0 flights from Incheon Intl to Ko Samui per day from 0 different airlines.

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

    There are many flights that can get you from Incheon Intl Airport to Ko Samui in 19h 55m. Fly via Singapore Airlines, Scoot, or EVA Air to get the fastest option. There are 4073 km between Incheon Intl Airport and Ko Samui. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Incheon Intl to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to Ko Samui.

  • Can I find deals for business class flights from Incheon Intl to Ko Samui?

    Yes. Cheapflights offers flight deals from Incheon Intl to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Incheon Intl to Ko Samui

Incheon Intl to Suvarnabhumi flights

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