Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Are there currently restrictions on travel to Koh Samui related to COVID-19?
Yes, there are currently restrictions on flights to Koh Samui along with the rest of Thailand. Before you book or search for flights, consider the following restrictions: Thailand has restricted the entry of foreign nationals except permanent residents, parents, spouses and children of Thai nationals and residents, students, airline crew with a scheduled return flight, and those with a work permit until at least July 31.
Emergency landings, humanitarian aid flights, medical or relief flights, repatriation and cargo flights, state or military aircraft, and technical landings without disembarkation may still enter the country.
To enter Thailand, all travelers must have a fit-to-fly health certificate, a medical certificate indicating that they have tested negative for COVID-19 (RT-PCR test) within 72 hours before departure, either (a) a certificate from their parent agency/authority confirming that it will cover all medical expenses OR (b) proof of health insurance covering all medical expenditure, including for COVID-19, up to USD $100,000 minimum, and a Certificate of Entry issued by the Ministry of Foreign Affairs. Travelers suspected of carrying COVID-19 may be denied entry into the country.
In addition to the above, permanent residents or work permit holders and their family members, students, and those seeking medical treatment must have a Certificate of Entry issued by the Royal Thai Embassy or the Royal Thai Consulate-General in their country of departure to enter Thailand. Travelers with an urgent need to travel to Thailand should contact the Thai embassy or consulate in their country of departure at least 10 working days before their proposed date of travel to explain their circumstances. They will also need to provide written confirmation that the quarantine facilities they intend to use on arrival in Thailand comply with official rules.
The validity of all temporary visas has been extended until July 31, 2020. . If you are looking to book a trip to Koh Samui and are outside of the restricted areas, please take the proper precautions and stay informed about traveling during COVID-19.
Cheapest Prices for Koh Samui flights by month
Currently, the cheapest month for flights to Koh Samui is November. The most expensive month for flights is July. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.
When is the best time to fly to Koh Samui?
Choose a month below to see average flight price and weather conditions.
LAS - USM
$884 - $1788
84.2 - 91.4 °F
1.97 - 16.65 inches
Whilst there are several times of the year to choose from, September is seen as the time to fly to Koh Samui, however, it is possible to get good deals throughout the year. May tends to be the warmest period in Koh Samui so if you are looking for sun or warmer climates then look to fly around this time. November is the wettest if you need to factor this in to your plans.
Which day is cheapest to fly to Koh Samui?
The cheapest day to fly to Koh Samui is usually Saturday. At the moment, Wednesday is the most expensive.
What time of day is cheapest to fly to Koh Samui?
To get the best value, try booking a flight in the morning when visiting Koh Samui. Generally the prices will increase for flights in the afternoon as these tend to have higher demand.