Dublin to Koh Samui flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Dublin to Koh Samui is €349 with Air China (checked on 18 Oct 2026).
Your next trip, last seen at €349
Lowest observedAir China · 3 stops · One wayWhen to fly
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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
- €349, departing 17 Nov 2026 (Last checked: 18 Oct 2026)One-way fareCheck live prices for this route
- Airlines seen
- Aer Lingus, Air China, Air France, Bangkok Airways, China Eastern, Etihad Airways, Hainan Airlines, KLM, Norwegian, Pegasus Airlines, Qatar Airways, Ryanair, Swiss, Turkish Airlines (14)
- Typical journey time
- 35h 05m
About this route
Explore the fares we observed from Dublin to Koh Samui. Prices move often, so pick your dates to see the latest options.
- Route distance
- 10,213 km
- Typical journey time
- 35h 05m
- Seen on fares with a connection
- Ryanair, Etihad Airways, Bangkok Airways, Hainan Airlines, China Eastern, Qatar Airways, KLM, Swiss, Air France, Air China, Aer Lingus, Pegasus Airlines (12)
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
- Dublin Airport (DUB) → Dublin, city gazetteer reference point (53.3498, -6.2603): ≈ 9 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.
Lowest one-way fare we saw per airline
Cheapest airline from Dublin to Koh Samui: Ryanair, from €349 (checked 18 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Ryanair | €349Nov 24, 2026 | 23 |
| Bangkok Airways | €351Nov 10, 2026 | 8 |
| Hainan Airlines | €403Nov 7, 2026 | 7 |
| China Eastern | €408Nov 13, 2026 | 6 |
| Etihad Airways | €471Nov 4, 2026 | 4 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Dublin to Koh Samui?
The lowest fare Routavio has observed is €349, found on 18 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Dublin to Koh Samui?
In our observations November 2026 is the cheapest month so far, at €349.
Are there direct flights from Dublin to Koh Samui?
Our data holds no non-stop flight from Dublin to Koh Samui. The fares on this page include at least one stop.
Which airlines fly from Dublin to Koh Samui?
Routavio has seen these carriers on the route: Aer Lingus, Air China, Air France, Bangkok Airways, China Eastern, Etihad Airways, Hainan Airlines, KLM, Norwegian, Pegasus Airlines, Qatar Airways, Ryanair, Swiss, Turkish Airlines (14).
How long does the flight from Dublin to Koh Samui take?
Across the 57 fares Routavio observed, the average journey time is 34h 52m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Dublin to Koh Samui fares were non-stop?
None of the 58 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which airline has the lowest fare from Dublin to Koh Samui?
Cheapest airline from Dublin to Koh Samui: Ryanair, from €349 (checked 18 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
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Recently observed fares. Prices may change.