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Thai Airways flights from London to Ko Samui (LON - USM)

LON — USM
5 May — 12 May1
1 adult

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 30 April 2025.

One-way from

£530

Return from

£827

Popular in

December

Cheapest in

September

Average price (all airlines)

£1,034
Thai Airways
  • Thai Airways
  • 4/6
  • 1 total stop
  • 24h 00m total
  • London to Ko Samui
Thai Airways
  • Thai Airways
  • 23/10-6/11
  • 2 total stops
  • 54h 55m total
  • London to Ko Samui
Highest demand for flights from London to Ko Samui; 3% potential price increase.
Best time to find cheap flights from London to Ko Samui; 2% potential price drop.
Average price for all London to Ko Samui flights (one-way and round-trip).
  • Can I get a flight from London to Ko Samui on Thai Airways for under £1,400?

    Cheapflights currently has 1 LON-USM flights for under £1,400. Flights to Ko Samui will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

  • How do most travelers feel about Thai Airways?

    The general consensus from 1,446 Cheapflights users is that Thai Airways is a 7.4/10. Select your travel dates above for updated prices on flights from London to Ko Samui (LON-USM).

Find Thai Airways flight deals from London to Ko Samui

Best Thai Airways flights from London to Ko Samui
Discover carefully curated Thai Airways flight deals from London to Ko Samui that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 April 2025.

Thu 23/1021:25LHR - USM
1 stop35h 20mThai Airways
Thu 6/1107:00USM - LHR
1 stop19h 35mThai Airways
Deal found 29/4£827

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 25 April 2025.

Booking with Thai Airways 25 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 June, with an average price of £714. Conversely, traveling with Thai Airways from London to Ko Samui in July will be the most expensive, with an average cost of £1,009. 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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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Other Thai Airways flights from London

Browse through other Thai Airways flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 30 April 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 30 April 2025.
Thai Airways
7.7
Good
325 reviews
Overview

Comfort

7.5

Boarding

7.8

Food

7.3

Entertainment

6.8

Crew

8.3

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