Find a great deal and save up to 0% by booking at least 13 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Shannon to Koh Samui within the next two weeks, with the cheapest ticket starting at £625.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Koh Samui. Flights to Koh Samui from Shannon in May are about £638 on average during May, but can be found for as low as £491.
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 Shannon 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.
The rainfall in Shannon is generally more than the rainfall in Koh Samui. This will continue over the next 23 days.
You can imagine temperatures to be in the 33 °C range in May. The weather in Koh Samui is generally hotter than Shannon's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.