Cheap flights from Ko Samui to London from ฿9,422
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ko Samui to London
Discover tips and strategies to find the most affordable flight options for your journey from Ko Samui (USM) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2025.
Round-trip from | ฿31,581 |
---|---|
One-way from | ฿9,422 |
Popular in | January |
Cheapest in | October |
Average price | ฿38,079 |
Find flight deals from Ko Samui to London
Cheapest flights from Ko Samui to LondonExplore the most affordable flight options available from Ko Samui to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Explore the most affordable flight options available from Ko Samui to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Ko Samui to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 1 July 2025.
Use the filters below to find and compare flights from Ko Samui to London that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Ko SamuiLondon
USM - LHR
USMLHR
Ko Samui
Tue 18/11
10:00-21:40
2 stops18h 40m
London Heathrow
Sat 22/11
08:55-21:05
2 stops29h 10m
Ko SamuiLondon
USM - LGW
USMLGW
Ko Samui
Sun 16/11
16:25-17:50
2 stops32h 25m
London Gatwick
Thu 20/11
18:40-21:05
2 stops19h 25m
Ko SamuiLondon
USM - LCY
USMLCY
Ko Samui
Fri 14/11
16:25-07:55
2 stops22h 30m
London City
Tue 18/11
13:30-21:05
2 stops24h 35m
Ko SamuiLondon
USM - LGW
USMLGW
Ko Samui
Wed 13/8
12:10-07:05
2 stops24h 55m
London Gatwick
Wed 20/8
06:00-13:55
3 stops25h 55m
Ko SamuiLondon
USM - LHR
USMLHR
Ko Samui
Wed 13/8
19:25-19:00
2 stops29h 35m
London Heathrow
Wed 20/8
08:40-20:25
3 stops29h 45m
Ko SamuiLondon
USM - LHR
USMLHR
Ko Samui
Mon 15/9
17:55-07:05
2 stops43h 10m
London Heathrow
Sat 11/10
20:40-10:10
2 stops55h 30m
Ko SamuiLondon
USM - LHR
USMLHR
Ko Samui
Mon 15/9
08:45-19:15
1 stop16h 30m
London Heathrow
Sat 11/10
21:25-07:20
1 stop27h 55m
Ko SamuiLondon
USM - LHR
USMLHR
Ko Samui
Tue 18/11
16:25-06:15
1 stop20h 50m
London Heathrow
Sat 22/11
20:10-21:05
1 stop17h 55m
Ko SamuiLondon
USM - LHR
USMLHR
Ko Samui
Wed 13/8
21:00-13:20
2 stops22h 20m
London Heathrow
Wed 20/8
10:50-11:55
2 stops19h 05m
Ko SamuiLondon
USM - LHR
USMLHR
Ko Samui
Tue 18/11
09:20-19:20
1 stop17h 00m
London Heathrow
Sat 22/11
21:35-19:50
1 stop15h 15m
Best time to book a flight from Ko Samui to London
Have a flexible travel schedule? Discover the best time to fly to London from Ko Samui with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ko Samui to London
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 1 July 2025.
Read reviews from past customers who have flown with EVA Air, Emirates, andSingapore Airlines from Ko Samui to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Dale,May 2025
TPE - SFO
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Dale,May 2025
TPE - SFO
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Dale,May 2025
TPE - SFO
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Dale,May 2025
TPE - SFO
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Dale,May 2025
TPE - SFO
Entertainment
Boarding
Comfort
Food
Crew
Overall
Reviews
Dale,May 2025
TPE - SFO
Related info for your journey
Find useful and relevant information for your journey from Ko Samui to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ko Samui to London
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How does Cheapflights help users find flights from Ko Samui to London?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ko Samui to London. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Ko Samui to London?
Cheapflights helps you find that perfect flight to London from Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Ko Samui to London with no change fees?
Certainly. Search results for flights to London from Ko Samui shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ko Samui to London become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!