Seoul to Koh Samui flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Seoul to Koh Samui is €204 (checked on 23 Oct 2026).
Your next trip, last seen at €204
Below averageWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €204, departing 14 Dec 2026 (Last checked: 23 Oct 2026)One-way fareCheck live prices for this route
- Round trip
- €417, departing 15 Jun 2027, back 24 Jun 2027 (Last checked: 26 Oct 2026)
- Airlines seen
- China Eastern, Scoot, Shandong Airlines, Thai Airways
- Typical journey time
- 8h 40m
About this route
Explore the fares we observed from Seoul to Koh Samui. Prices move often, so pick your dates to see the latest options.
- Route distance
- 4,119 km
- Typical journey time
- 8h 40m
- Seen on fares with a connection
- Scoot, China Eastern, Shandong Airlines
- Alternative airports
- GMP
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Seoul Gimpo International Airport (GMP) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 17 km.
- Incheon International Airport (ICN) → Seoul, city gazetteer reference point (37.5665, 126.9780): ≈ 48 km.
- Samui International Airport (USM) → Koh Samui, city gazetteer reference point (9.5553, 100.0628): ≈ 1 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Frequently asked
How much is a flight from Seoul to Koh Samui?
The lowest fare Routavio has observed is €204, found on 23 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Seoul to Koh Samui?
In our observations December 2026 is the cheapest month so far, at €204.
Are there direct flights from Seoul to Koh Samui?
Our data holds no non-stop flight from Seoul to Koh Samui. The fares on this page include at least one stop.
Which airlines fly from Seoul to Koh Samui?
Routavio has seen these carriers on the route: China Eastern, Scoot, Shandong Airlines, Thai Airways.
How many of the observed Seoul to Koh Samui fares were non-stop?
None of the 18 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Seoul to Koh Samui?
Cheapest round trip: €417, departing 15 Jun 2027, back 24 Jun 2027 (checked 26 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
More routes from Seoul
Show all 36 routes →Show fewer ↑
More routes to Koh Samui
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.