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EVA Air flights from London to Ko Samui (LON - USM)

LON — USM
19 Apr — 26 Apr1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Ko Samui on EVA Air typically fly into Ko Samui and depart from London Heathrow. Select your dates above for pricing.

EVA Air flights from London to Ko Samui in 2026

Find detailed information about EVA Air flights from London to Ko Samui. Explore the options provided by EVA Air to plan your journey from London to Ko Samui. Data last updated 20 March 2026.

One-way from

£559

Return from

£818

Popular in

December

Cheapest in

May

Average price (all airlines)

£906
EVA Air
  • EVA Air
  • 5/9
  • 1 total stop
  • 14h 55m total
  • London to Ko Samui
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EVA Air
  • EVA Air
  • 5/5-21/5
  • 2 total stops
  • 31h 00m total
  • London to Ko Samui
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Highest demand for flights from London to Ko Samui; 7% potential price increase.
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Best time to find cheap flights from London to Ko Samui; 4% potential price drop.
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Average price for all London to Ko Samui flights (one-way and round-trip).
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  • How do most travelers feel about EVA Air?

    Cheapflights users who travel with EVA Air (a popular airline from London to Ko Samui) have rated them a 8.4/10. This rating comes from 1,379 reviews. If you are looking to travel LON-USM, search your dates above.

  • Can I get a flight from London to Ko Samui on EVA Air for under £975?

    London to Ko Samui flights on EVA Air are currently available under £975. 7 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

Find EVA Air flight deals from London to Ko Samui

Enter your travel dates to find the best prices.

Cheapest EVA Air flights from London to Ko Samui
Explore the most affordable EVA Air flight options available from London to Ko Samui. Find the lowest fares with prices last updated on 20 March 2026.

Wed 29/421:35
LHR
-
USM
1 stop16h 55m
EVA Air
Thu 14/509:15
USM
-
LHR
1 stop16h 05m
EVA Air
Deal found 16/3£824
Sun 26/421:35
LHR
-
USM
1 stop16h 55m
EVA Air
Mon 11/517:50
USM
-
LHR
1 stop31h 30m
EVA Air
Deal found 16/3£832
Wed 15/421:35
LHR
-
USM
1 stop16h 55m
EVA Air
Mon 11/521:00
USM
-
LHR
1 stop28h 20m
EVA Air
Deal found 20/3£848

How far ahead should I book a flight from London to Ko Samui with EVA Air?

Use this chart to determine the optimal time to book a return flight from London to Ko Samui. Price data was last updated on 13 March 2026.

Booking with EVA Air 79 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 EVA Air?

Currently, the most affordable month to book a EVA Air flight from London to Ko Samui in August, with an average price of £703. Conversely, traveling with EVA Air from London to Ko Samui in December will be the most expensive, with an average cost of £988. 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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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 20 March 2026.
Etihad Airways flights from London to Ko Samui

See what others are saying about EVA Air

Read reviews and see what other travellers are saying about their experiences with EVA Air. 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 EVA Air for your next flight. Reviews last updated 20 March 2026.
EVA Air
8.4
Very Good
1,379 reviews
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Overview

Comfort

8.3

Entertainment

8.0

Food

8.1

Boarding

8.4

Crew

8.6

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