Cheap flights from Dublin to Koh Samui

24 May — 31 May1
1 adult
Tue 24/5
Tue 31/5

How to find the cheapest flight from Dublin to Koh Samui

All the information you need to plan the best DUB to USM flight in 2022: compare Dublin to Koh Samui flight prices with the expected peak season, weather and rainfall in Koh Samui.



£702 - £1,105



27 - 29 °C



58 - 490 mm

Popular inDecemberHigh demand for flights, 22% potential price rise
Cheapest inMayBest time to find cheap flights, 18% potential price drop
Average price£566Average for round-trip flights in May 2022
Round-trip from£566From Dublin to Ko Samui

What is the cheapest day to fly round-trip from Dublin to Koh Samui?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Dublin to Koh Samui?

The best pricing can be found in the month of May. Prices to Koh Samui from Dublin average £691. You can even find prices in May for less than £691, as users have found deals to Koh Samui from as low as £548. The month of December appears to be one of the more expensive times to travel to Koh Samui from Dublin. Flying in the targeted month can save you up to 28%.

When is the cheapest time to fly from Dublin to Koh Samui (DUB - USM)?

When flying from Dublin to Koh Samui, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 19% versus a flight in the morning.

Related info for your journey

Useful info, stats and facts about Dublin to Koh Samui flights.

How popular is this Dublin to Koh Samui flight route?

The Dublin to Ko Samui flight path was viewed by 39 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the most popular airlines that fly from Dublin to Koh Samui?

When booking a flight from Dublin to Koh Samui, you may want to consider flying on British Airways, Emirates or Qatar Airways as they are the most popular for this route.

Alternative routes for Dublin to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Krabifrom £446 pp

Top 2 airlines flying from Dublin to Koh Samui

The chart below displays the airlines Cheapflights users travelling from Dublin to Koh Samui choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
British AirwaysCheapest£631Average£815FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
Qatar AirwaysCheapest£631Average£780FlexibilityNo cancel feeOn-time68%COVID-19 safety
Search Qatar Airways flights