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Home / Seoul — Koh Samui

Cheap flights Seoul — Koh Samui

Seoul (SEL, KR) Koh Samui (USM, TH)
from $209 4 119 km ~5h 21m 10 flights found 5 airlines cheapest on Monday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $209 on 27.11.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
Mo
Tu
We
Th
Fr
Sa
Su
December 2026
Mo
Tu
We
Th
Fr
Sa
Su
January 2027
Mo
Tu
We
Th
Fr
Sa
Su
Prices found for 9 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
27 Nov 2026, Fri
T'way Air TW 101
13:50
ICN Incheon International Airport
21:20
USM Koh Samui Airport
7h 30m 1 stop
Trip.com
$209
View this ticket
14 Dec 2026, Mon
Scoot TR 843
05:25
ICN Incheon International Airport
14:05
USM Koh Samui Airport
8h 40m 1 stop
Trip.com
$230
View this ticket
05 Dec 2026, Sat
Scoot TR 843
05:25
ICN Incheon International Airport
14:05
USM Koh Samui Airport
8h 40m 1 stop
Trip.com
$231
View this ticket
04 Dec 2026, Fri
T'way Air TW 101
13:50
ICN Incheon International Airport
21:20
USM Koh Samui Airport
7h 30m 1 stop
Trip.com
$270
View this ticket
15 Nov 2026, Sun
Vietnam Airlines VN 431
04:10
ICN Incheon International Airport
12:15
USM Koh Samui Airport
8h 5m 2 stops
Trip.com
$278
View this ticket
13 Nov 2026, Fri
China Southern Airlines CZ 3090
07:45
ICN Incheon International Airport
16:15
USM Koh Samui Airport
8h 30m 2 stops
Trip.com
$281
View this ticket
Route characteristics
Distance
4 119 km
Flight time
5h 21m
Time difference
-2h
Minimum price
from $209 (27.11.2026)
Average price
$273
Maximum price
$376
Departures per week
1
Cheapest day
Monday
Departure airports (1)
ICN Incheon International Airport
Arrival airports (1)
USM Koh Samui Airport
Airlines (5)
TW T'way Air TR Scoot VN Vietnam Airlines CZ China Southern Airlines SC Shandong Airlines
Agencies (4)
Trip.com Aviakassa Clickavia City.Travel
Prices by day of week
Monday
$230
avg $230
Cheapest
Friday
$209
avg $253
Saturday
$231
avg $231
Sunday
$278
avg $278
Price trend by month
November 2026
from $209
avg $256
3 flights
December 2026
from $230
avg $244
3 flights
Airlines — cheapest prices 5
T'way Air
T'way Air
Low-cost 3 flights · 3 days
$209
Scoot
Scoot
Low-cost 3 flights · 3 days
$230
Vietnam Airlines
Vietnam Airlines
2 flights · 2 days
$278
China Southern Airlines
China Southern Airlines
1 flights · 1 days
$281
Shandong Airlines
Shandong Airlines
1 flights · 1 days
$376
Where to buy tickets 4
Trip.com
7 tickets · 7 days
from $209
Aviakassa
1 tickets · 1 days
from $288
Clickavia
1 tickets · 1 days
from $295
City.Travel
1 tickets · 1 days
from $376
Airports

From — Seoul (1)

  • ICN Incheon International Airport

To — Koh Samui (1)

  • USM Koh Samui Airport
Other destinations from Seoul
Jeju
KR
Nagoya
JP
Busan
KR
Shanghai
CN
Jinju
KR
Pohang
KR
Gwangju
KR
Yeosu
KR
Ulsan
KR
Chengdu
CN
Cebu City
PH
Manila
PH
Frequently asked questions about the route Seoul — Koh Samui
How long is the flight from Seoul to Koh Samui?
Approximate flight time — 5h 21m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Seoul to Koh Samui?
The straight-line distance — 4 119 km.
How much do flights from Seoul to Koh Samui cost?
The minimum price over 3 months — from $209 on 27.11.2026.
What is the average ticket price?
The average price — $273. Range: $209 — $376.
What is the time difference between Seoul and Koh Samui?
The difference — -2h.
From which airports does Seoul operate flights?
From Seoul: ICN (Incheon International Airport).
To which airports in Koh Samui do flights arrive?
To Koh Samui: USM (Koh Samui Airport).
Which airlines fly this route?
This route is served by 5 airlines: T'way Air, Scoot, Vietnam Airlines, China Southern Airlines, Shandong Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Monday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Seoul — Koh Samui

Flights Seoul — Koh Samui is a popular route. The straight-line distance is 4 119 km. Flight time 5h 21m. Time difference -2h.

From Seoul (SEL) flights depart from 1 airport: ICN. To Koh Samui (USM) — 1 arrival airport: USM.

5 airlines operate on this route: T'way Air, Scoot, Vietnam Airlines, China Southern Airlines, Shandong Airlines.

The minimum price for the next 3 months — from $209 (27.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $273, ranging from $209 to $376. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Monday.

Other destinations in Thailand from Seoul
Bangkok
TH
Phuket
TH
Chiang Mai
TH
Krabi
TH
Surat Thani
TH
Udon Thani
TH
Pattaya
TH
Chumphon
TH

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