Thai Airways flights from London to Ko Samui (LON - USM)
Cheapflights users flying from London to Ko Samui on Thai Airways typically fly into Ko Samui and depart from London Heathrow. Select your dates above for pricing.
Thai Airways flights from London to Ko Samui in 2025
Find detailed information about Thai Airways flights from London to Ko Samui. Explore the options provided by Thai Airways to plan your journey from London to Ko Samui. Data last updated 11 July 2025.
Find Thai Airways flight deals from London to Ko Samui
Cheapest Thai Airways flights from London to Ko SamuiExplore the most affordable Thai Airways flight options available from London to Ko Samui. Find the lowest fares with prices last updated on 11 July 2025.
Explore the most affordable Thai Airways flight options available from London to Ko Samui. Find the lowest fares with prices last updated on 11 July 2025.
Travel insights for Thai Airways flights from London to Ko Samui
Get recent, data-driven insights about Thai Airways flights from London to Ko Samui including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from London to Ko Samui with Thai Airways?
Use this chart to determine the optimal time to book a return flight from London to Ko Samui. Price data was last updated on 4 July 2025.
Booking with Thai Airways 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Ko Samui. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London to Ko Samui with Thai Airways?
Currently, the most affordable month to book a Thai Airways flight from London to Ko Samui in January, with an average price of £645. Conversely, traveling with Thai Airways from London to Ko Samui in July will be the most expensive, with an average cost of £1,032. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
Rainfall in Ko Samui by month
Plan your trip to Ko Samui by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 inches per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.
Temperature in Ko Samui by month
Plan your trip to Ko Samui by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).
Best time to book a flight from London to Ko Samui
Have a flexible travel schedule? Discover the best time to fly to Ko Samui from London with our price prediction graph.
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Fly from London to Ko Samui on another airline
Consider alternative airlines that service the Ko Samui area. Flight routes are based on user searches made on Cheapflights and were last updated on 11 July 2025.
See what others are saying about Thai Airways
Read reviews and see what other travellers are saying about their experiences with Thai Airways. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Thai Airways for your next flight. Reviews last updated 11 July 2025.
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