Cheap flights from Dublin to Koh Samui

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How to find the cheapest flight from
Dublin (DUB) to Koh Samui (USM)

All the information you need to plan the best DUB to USM flight in 2021: compare Dublin to Koh Samui flight prices with the expected peak season, weather and rainfall in Koh Samui.
DUB - USM
Price
£504 - £794
USM
Temperature
29 - 33 °C
USM
Rainfall
50 - 423 mm

Popular in

December

High demand for flights, 22% potential price rise

Cheapest in

May

Best time to find cheap flights, 18% potential price drop

Average price

£605

Average for round-trip flights in April 2021

Round-trip from

£504

From Dublin to Koh Samui

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from Dublin to Koh Samui?

Travellers have found that booking a Sunday departure is the best way to save up to 30% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Dublin to Koh Samui?

To save on the cost of your flight from Dublin to Koh Samui, book at least 13 days before your planned departure. Booking around this time can save you about 0% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £634 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £645.

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 £648. You can even find prices in May for less than £648, as users have found deals to Koh Samui from as low as £499. 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 49%.

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

It’s optimal to fly from Dublin to Koh Samui at midday. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Dublin</span> to <span class="emphasized">Koh Samui</span> flights.

Flight FAQs

From Dublin to Koh Samui

Are flight prices decreasing from Dublin to Koh Samui due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Dublin and Koh Samui for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

How popular is this flight route?

The Dublin to Koh Samui flight path was viewed by 63 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Dublin or Koh Samui?

Expected rainfall in Dublin is same as in Koh Samui. You can expect this to be the case over the next 23 days.

Is Dublin weather warmer or cooler than Koh Samui?

Our data indicates that the weather will be 33 °C on average in the month of May. The temperature in Koh Samui is typically hotter than in Dublin. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

Destination information for Koh Samui

Things to know before you go - useful duration and weather info for your trip from Dublin to Koh Samui.
Today's exchange rate
£1 = ฿43.41
Average temperature for April in Koh Samui
32.0 °C
Avg rainfall for April in Koh Samui
73.0 mm

Airports servicing Dublin

Airports servicing Koh Samui

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